Overview
Sendmail contains a buffer overflow in code that parses email addresses. A remote attacker could execute arbitrary code or cause a denial of service on a vulnerable system.
Description
Sendmail is a widely used mail transfer agent (MTA). There is a stack overflow vulnerability in code that parses email addresses. A remote attacker could exploit this vulnerability with a message containing a specially crafted email address. When processing email messages, sendmail creates tokens from address elements (user, host, domain). The code that performs this function (prescan() in parseaddr.c) contains logic to check that the tokens are not malformed or overly long. In certain cases, a variable in prescan() is set to the special control value -1, which may alter the program logic to skip the length checks. On little-endian platforms that treat the char type as signed int, the char value 0xFF sets the high-order bit, which in terms of a signed int indicates a negative value. When prescan() treats a char with the value 0xFF as an int, the value is interpreted as -1, which can cause the length checks to be skipped. Using an email message with a specially crafted address containing 0xFF, an attacker could cause the length checks to be skipped and overwrite the saved instruction pointer on the stack. 8.12.9/8.12.9 2003/03/29 SECURITY: Fix a buffer overflow in address parsing due to a char to int conversion problem which is potentially remotely exploitable. Problem found by Michal Zalewski. Note: an MTA that is not patched might be vulnerable to data that it receives from untrusted sources, which includes DNS. To provide partial protection to internal, unpatched sendmail MTAs, 8.12.9 changes by default (char)0xff to (char)0x7f in headers etc. To turn off this conversion compile with -DALLOW_255 or use the command line option -d82.101. To provide partial protection for internal, unpatched MTAs that may be performing 7->8 or 8->7 bit MIME conversions, the default for MaxMimeHeaderLength has been changed to 2048/1024. Note: this does have a performance impact, and it only protects against frontal attacks from the outside. To disable the checks and return to pre-8.12.9 defaults, set MaxMimeHeaderLength to 0/0. Note that DNS could also be used as an attack vector. |
Impact
A remote attacker could execute arbitrary code or cause a denial of service on a vulnerable system. |
Solution
Upgrade or Patch |
|
Vendor Information
Apple Computer Inc. Affected
Notified: March 29, 2003 Updated: September 25, 2003
Status
Affected
Vendor Statement
Apple has released Mac OS X 10.2.5 which includes the patch from the sendmail team for this vulnerability.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see the announcement for Mac OS X 10.2.5.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Conectiva Affected
Notified: March 29, 2003 Updated: May 20, 2003
Status
Affected
Vendor Statement
Conectiva Linux 6.0, 7.0 and 8 contain sendmail and are vulnerable to this issue, even though sendmail is no longer the default MTA in our distribution. Updated packages will be announced to our mailing lists when ready.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see CLSA-2003:614.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Debian Affected
Notified: March 29, 2003 Updated: April 22, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see DSA-278 and DSA-290.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
FreeBSD Affected
Notified: March 29, 2003 Updated: March 31, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see FreeBSD-SA-03:07.sendmail.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Fujitsu Affected
Notified: March 29, 2003 Updated: April 10, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Gentoo Linux Affected
Updated: April 01, 2003
Status
Affected
Vendor Statement
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
- - ---------------------------------------------------------------------
GENTOO LINUX SECURITY ANNOUNCEMENT 200303-27
- - ---------------------------------------------------------------------
PACKAGE : sendmail
SUMMARY : buffer overflow
DATE : 2003-03-31 09:13 UTC
EXPLOIT : remote
VERSIONS AFFECTED : <8.12.9
FIXED VERSION : >=8.12.9
CVE : CAN-2003-0161
- - ---------------------------------------------------------------------
- From advisory:
"There is a vulnerability in sendmail that can be exploited to cause
a denial-of-service condition and could allow a remote attacker to
execute arbitrary code with the privileges of the sendmail
daemon, typically root."
Read the full advisory at
http://www.cert.org/advisories/CA-2003-12.html
SOLUTION
It is recommended that all Gentoo Linux users who are running
net-mail/sendmail upgrade to sendmail-8.12.9 as follows:
emerge sync
emerge sendmail
emerge clean
- - ---------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at http://cvs.gentoo.org/~aliz
avenj@gentoo.org
- - ---------------------------------------------------------------------
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Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Hewlett-Packard Company Affected
Notified: March 29, 2003 Updated: April 10, 2003
Status
Affected
Vendor Statement
SOURCE: Hewlett-Packard Company HP Services Software Security Response Team
x-ref: SSRT3531
At the time of writing this document, Hewlett Packard is currently investigating the potential impact to HP's released Operating System software products.
As further information becomes available HP will provide notice of the availability of any necessary patches through standard security bulletin announcements and be available from your normal HP Services support channel.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see HPSBUX0304-253/HPSBMP0304-018/SSRT3531:
<http://ftp.support.compaq.com/patches/.new/unix.shtml>
If you have feedback, comments, or additional information about this vulnerability, please send us email.
IBM Affected
Notified: March 29, 2003 Updated: June 24, 2003
Status
Affected
Vendor Statement
The AIX operating system is vulnerable to sendmail buffer overflow attack mentioned in CERT Advisory CA-2003-12 and CERT Vulnerability Note VU# 897604.
An efix is available from:
ftp://ftp.software.ibm.com/aix/efixes/security/sendmail_2_efix.tar.Z
The APAR numbers and availability dated for this issue are as follows:
APAR number for AIX 4.3.3: IY42629 (available approx. 05/07/2003)
APAR number for AIX 5.1.0: IY42630 (available approx. 04/28/2003)
APAR number for AIX 5.2.0: IY42631 (available approx. 04/28/2003)
The APARs can be downloaded using the URL below and then following the links for your AIX release level.
http://techsupport.services.ibm.com/server/fixes?view=pSeries
For more information please contact your AIX Support Center.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
IBM z/OS - OS/390 - MVS systems are also affected (PQ72696):
<http://www-1.ibm.com/services/continuity/recover1.nsf/MSS/MSS-OAR-E01-2003.0793.1>
If you have feedback, comments, or additional information about this vulnerability, please send us email.
MandrakeSoft Affected
Notified: March 29, 2003 Updated: April 01, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see MDKSA-2003:042.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Mirapoint Affected
Updated: April 22, 2003
Status
Affected
Vendor Statement
Mirapoint has corrected this problem. Details of the update (D3_SMTP_CERT_2003_12) can be found on the Mirapoint secure support center.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
NetBSD Affected
Notified: March 29, 2003 Updated: April 22, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see NetBSD-SA2003-009 and the list of security patches included in NetBSD 1.6.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Nortel Networks Affected
Notified: March 29, 2003 Updated: April 08, 2003
Status
Affected
Vendor Statement
The following Nortel Networks Wireless products are potentially affected by the vulnerabilities identified in CERT Advisory CA-2003-12:
- SS7 IP Gateway.
- Wireless Preside OAM&P Main Server.
The following Nortel Networks Enterprise Voice IVR products are potentially affected by the vulnerabilities identified in CERT Advisory CA-2003-12:
- MPS1000
- MPS500
- VPS
- CTX
For all of the above products Nortel Networks recommends applying the latest Sun Microsystems patches in accordance with that vendor's recommendations. To avoid applying patches twice, please ensure that the Sun Microsystems patch applied also addresses the vulnerability identified in CERT Advisory CA-2003-07.
The following Nortel Networks Succession products are potentially affected by the vulnerability identified in CERT Advisory CA-2003-12:
- SSPFS-based CS2000 Management Tools
- GWC Element Manager and QoS Collector Application (QCA)
- SAM21 Element Manager
- Audio Provisioning Server (APS) and APS client GUI
- UAS Element Manager
- Succession Media Gateway 9000 Element Manager (Mid-Tier and Server)
- Network Patch Manager (NPM)
- Nodes Configuration, Trunk Configuration, Carrier Endpoint
- Configuration, Lines Configuration (Servord+), Trunk Maintenance Manager, Lines Maintenance Manager, Line Test Manager, V5.2 Configuration and Maintenance, PM Poller, EMS Proxy Services, and Common Application Launch Point
Sendmail has been disabled in SN06 and therefore SN06 is not vulnerable. A patch for SN05 is currently under development that will disable Sendmail in SN05 so that it will not be affected by the vulnerability identified in CERT Advisory CA-2003-12. The availability date for the SN05 patch is still to be determined.
For more information please contact Nortel at:
North America: 1-800-4NORTEL or 1-800-466-7835
Europe, Middle East and Africa: 00800 8008 9009, or +44 (0) 870 907 9009
Contacts for other regions are available at
<>
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
OpenBSD Affected
Notified: March 29, 2003 Updated: April 01, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
<http://www.openbsd.org/errata32.html#sendmail2>
If you have feedback, comments, or additional information about this vulnerability, please send us email.
OpenPKG Affected
Updated: April 01, 2003
Status
Affected
Vendor Statement
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
________________________________________________________________________
OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
openpkg-security@openpkg.org openpkg@openpkg.org
OpenPKG-SA-SA-2003.027 30-Mar-2003
________________________________________________________________________
Package: sendmail
Vulnerability: remote root exploit
OpenPKG Specific: no
Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= sendmail-8.12.8-20030328 >= sendmail-8.12.9-20030329
OpenPKG 1.2 <= sendmail-8.12.7-1.2.1 >= sendmail-8.12.7-1.2.2
OpenPKG 1.1 none N.A.
Dependent Packages: none
Description:
Michal Zalewski discovered [1] a confirmed [2] buffer overflow
vulnerability in all version of the Sendmail [0] MTA earlier than
8.12.9. The mail address parser performs insufficient bounds checking
in certain conditions due to a "char" to "int" data type conversion,
making it possible for an attacker to take control of the application.
Attackers may remotely exploit this vulnerability to gain "root"
access of any vulnerable Sendmail server. The Common Vulnerabilities
and Exposures (CVE) project assigned the id CAN-2003-0161 [3] to the
problem.
Please check whether you are affected by running "<prefix>/bin/rpm
-q sendmail". If you have the "sendmail" package installed and its
version is affected (see above), we recommend that you immediately
upgrade it (see Solution). [4][5]
Solution:
Select the updated source RPM appropriate for your OpenPKG release
[6], fetch it from the OpenPKG FTP service [7] or a mirror location,
verify its integrity [8], build a corresponding binary RPM from it [4]
and update your OpenPKG installation by applying the binary RPM [5].
For the current release OpenPKG 1.2, perform the following operations
to permanently fix the security problem (for other releases adjust
accordingly).
# <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/sendmail-8.12.7-1.2.2.*.rpm
________________________________________________________________________
References:
[0] http://www.sendmail.org/
[1] http://lists.netsys.com/pipermail/full-disclosure/2003-March/008973.html
[2] http://www.securityfocus.com/archive/1/316760/2003-03-26/2003-04-01/0
[3] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0161
[4] http://www.openpkg.org/tutorial.html#regular-source
[5] http://www.openpkg.org/tutorial.html#regular-binary
[6] ftp://ftp.openpkg.org/release/1.2/UPD/sendmail-8.12.7-1.2.2.src.rpm
[7] ftp://ftp.openpkg.org/release/1.2/UPD/
[8] http://www.openpkg.org/security.html#signature
________________________________________________________________________
For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@openpkg.org>" (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
________________________________________________________________________
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Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Red Hat Inc. Affected
Notified: March 29, 2003 Updated: April 01, 2003
Status
Affected
Vendor Statement
Red Hat distributes sendmail in all Red Hat Linux distributions. Updated sendmail packages that contain patches to correct this vulnerability are available along with our advisory at the URLs below. Users of the Red Hat Network can update their systems using the 'up2date' tool.
Red Hat Linux:
http://rhn.redhat.com/errata/RHSA-2003-120.html
Red Hat Enterprise Linux:
http://rhn.redhat.com/errata/RHSA-2003-121.html
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
SCO Affected
Notified: March 29, 2003 Updated: April 07, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see CSSA-2003-016.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
SGI Affected
Notified: March 29, 2003 Updated: April 07, 2003
Status
Affected
Vendor Statement
SGI acknowledges receiving CERT VU#897604 and is currently investigating. This is being tracked as SGI Bug# 886104. No further information is available at this time.
For the protection of all our customers, SGI does not disclose, discuss or confirm vulnerabilities until a full investigation has occurred and any necessary patch(es) or release streams are available for all vulnerable and supported SGI operating systems. Until SGI has more definitive information to provide, customers are encouraged to assume all security vulnerabilities as exploitable and take appropriate steps according to local site security policies and requirements. As further information becomes available, additional advisories will be issued via the normal SGI security information distribution methods including the wiretap mailing list on http://www.sgi.com/support/security/
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
Please see 20030401-01-P.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Sendmail Inc. Affected
Updated: March 29, 2003
Status
Affected
Vendor Statement
All commercial releases including Sendmail Switch, Sendmail Advanced Message Server (which includes the Sendmail Switch MTA), Sendmail for NT, and Sendmail Pro are affected by this issue. Patch information is available at http://www.sendmail.com/security/.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Sequent (IBM) Affected
Notified: March 29, 2003 Updated: April 29, 2003
Status
Affected
Vendor Statement
For information please contact IBM Service at 1-800-IBM-SERV.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
We have received an unconfirmed report that Fast Patch 255773 addresses both VU#897604 and VU#398025 in Sequent (IBM) Dynix.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Slackware Affected
Updated: April 01, 2003
Status
Affected
Vendor Statement
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
[slackware-security] Sendmail buffer overflow fixed (NEW)
The sendmail packages in Slackware 8.0, 8.1, and 9.0 have been patched
to fix a security problem. Note that this vulnerablity is NOT the same
one that was announced on March 3rd and requires a new fix.
All sites running sendmail should upgrade.
More information on the problem can be found here:
http://www.sendmail.org/8.12.9.html
Here are the details from the Slackware 9.0 ChangeLog:
+--------------------------+
Sat Mar 29 13:46:36 PST 2003
patches/packages/sendmail-8.12.9-i386-1.tgz: Upgraded to sendmail-8.12.9.
From sendmail's RELEASE_NOTES:
8.12.9/8.12.9 2003/03/29
SECURITY: Fix a buffer overflow in address parsing due to
a char to int conversion problem which is potentially
remotely exploitable. Problem found by Michal Zalewski.
Note: an MTA that is not patched might be vulnerable to
data that it receives from untrusted sources, which
includes DNS.
(* Security fix *)
patches/packages/sendmail-cf-8.12.9-noarch-1.tgz: Updated config files for
sendmail-8.12.9.
+--------------------------+
WHERE TO FIND THE NEW PACKAGES:
+-----------------------------+
Updated packages for Slackware 8.0:
ftp://ftp.slackware.com/pub/slackware/slackware-8.0/patches/packages/sendmail.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-8.0/patches/packages/smailcfg.tgz
Updated packages for Slackware 8.1:
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-8.12.9-i386-1.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-8.1/patches/packages/sendmail-cf-8.12.9-noarch-1.tgz
Updated packages for Slackware 9.0:
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/sendmail-8.12.9-i386-1.tgz
ftp://ftp.slackware.com/pub/slackware/slackware-9.0/patches/packages/sendmail-cf-8.12.9-noarch-1.tgz
MD5 SIGNATURES:
+-------------+
Here are the md5sums for the packages:
Slackware 8.0 packages:
c29c3063313534bee8db13c5afcd1abc sendmail.tgz
1b3be9b45f0d078e1053b80069538ca7 smailcfg.tgz
Slackware 8.1 packages:
b1b538ae7685ce8a09514b51f8802614 sendmail-8.12.9-i386-1.tgz
628b61a20f4529b514060620e5e601e7 sendmail-cf-8.12.9-noarch-1.tgz
Slackware 9.0 packages:
5f4f92f933961b6e652d294cd76da426 sendmail-8.12.9-i386-1.tgz
45b217e09d5ff2d0e1b7b12a389c86ec sendmail-cf-8.12.9-noarch-1.tgz
INSTALLATION INSTRUCTIONS:
+------------------------+
First (as root), stop sendmail:
. /etc/rc.d/rc.sendmail stop
Next, upgrade the sendmail package(s) with upgradepkg:
upgradepkg sendmail-*.tgz
Finally, restart sendmail:
. /etc/rc.d/rc.sendmail start
+-----+
Slackware Linux Security Team
http://slackware.com/gpg-key
security@slackware.com
+------------------------------------------------------------------------+
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Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
SuSE Inc. Affected
Notified: March 29, 2003 Updated: April 01, 2003
Status
Affected
Vendor Statement
-----BEGIN PGP SIGNED MESSAGE-----
______________________________________________________________________________
SuSE Security Announcement
Package: sendmail, sendmail-tls
Announcement-ID: SuSE-SA:2003:023
Date: Tuesday, April 1st 2003 18:45 MEST
Affected products: 7.1, 7.2, 7.3, 8.0, 8.1, 8.2
SuSE Linux Database Server,
SuSE Linux Enterprise Server 7, 8
SuSE Linux Firewall on CD/Admin host
SuSE Linux Connectivity Server
SuSE Linux Office Server
Vulnerability Type: local/remote privilege escalation
Severity (1-10): 7
SuSE default package: yes (until SuSE Linux 8.0 and SLES7)
Cross References: http://www.cert.org/advisories/CA-2003-12.html
Content of this advisory:
1) security vulnerability resolved: sendmail, sendmail-tls
problem description, discussion, solution and upgrade information
2) pending vulnerabilities, solutions, workarounds:
- glibc
- vnc
- openssl
3) standard appendix (further information)
______________________________________________________________________________
1) problem description, brief discussion, solution, upgrade information
sendmail is the most widely used mail transport agent (MTA) in the
internet. A remotely exploitable buffer overflow has been found in all
versions of sendmail that come with SuSE products. These versions include
sendmail-8.11 and sendmail-8.12 releases. sendmail is the MTA subsystem
that is installed by default on all SuSE products up to and including
SuSE Linux 8.0 and the SuSE Linux Enterprise Server 7.
The vulnerability was discovered by Michal Zalewski. It is not related
to the vulnerability found by ISS in the first week of March as announced
by SuSE Security in SuSE Security Announcement SuSE-SA:2003:013 (CERT
Announcement ID CA-2003-07). The impact is believed to be a local root
compromise with the possibility of a remote compromise. Even though
the remote nature of the vulnerability is not confirmed, we believe that
it is safe to assume that the vulnerability may be remotely exploitable.
The nature of the flaw is a stack overflow in a function that is called
frequently throughout the sendmail source code. The function is used for
processing email addresses.
There is no known workaround for this vulnerability other than using a
different MTA. The vulnerability is triggered by an email message sent
through the sendmail MTA subsystem. In that respect, it is different
from commonly known bugs that occur in the context of an open TCP
connection. By consequence, the vulnerability also exists if email
messages get forwarded over a relay that itself does not run a vulnerable
MTA. This specific detail and the wide distribution of sendmail in the
internet causes this vulnerability to be considered a flaw of major
severity. We recommend to install the update packages that are provided
for download at the locations listed below.
Please download the update package for your distribution and verify its
integrity by the methods listed in section 3) of this announcement.
Then, install the package using the command "rpm -Fhv file.rpm" to apply
the update.
Our maintenance customers are being notified individually. The packages
are being offered to install from the maintenance web.
SPECIAL INSTALL INSTRUCTIONS:
==============================
After performing the update, it is necessary to restart all running
instances of sendmail using the command "rcsendmail restart" as root.
Intel i386 Platform:
SuSE-8.1:
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/sendmail-8.12.6-109.i586.rpm
bb987c277374db2cf5ec81b7abe9a476
patch rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/i586/sendmail-8.12.6-109.i586.patch.rpm
f90dc4e6f63b5c4e368e5db2fe7d09be
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.1/rpm/src/sendmail-8.12.6-109.src.rpm
dd838b1089f6686a1107e6d8159b1f98
SuSE-8.0:
ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/sendmail-8.12.3-75.i386.rpm
9e6949e973085ae3b628c52cadcc2c9e
patch rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.0/n1/sendmail-8.12.3-75.i386.patch.rpm
dac55a8afcb2487b8b80549b9a4d7b38
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/8.0/zq1/sendmail-8.12.3-75.src.rpm
f6e8297e885d367a73ff9010a6cbb297
SuSE-7.3:
ftp://ftp.suse.com/pub/suse/i386/update/7.3/n1/sendmail-8.11.6-164.i386.rpm
7591a1d397e161225b4d594bcfc5bb02
ftp://ftp.suse.com/pub/suse/i386/update/7.3/sec2/sendmail-tls-8.11.6-166.i386.rpm
52c213438e8782af09a4395d402d1fea
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/sendmail-8.11.6-164.src.rpm
a7b6f85673913089758f0ef0208aac6a
ftp://ftp.suse.com/pub/suse/i386/update/7.3/zq1/sendmail-tls-8.11.6-166.src.rpm
96cbfc4f2d85bdae71196ee80a4ebbd3
SuSE-7.2:
ftp://ftp.suse.com/pub/suse/i386/update/7.2/n1/sendmail-8.11.3-108.i386.rpm
b107d5a44b234222de7e5fcb7998c192
ftp://ftp.suse.com/pub/suse/i386/update/7.2/sec2/sendmail-tls-8.11.3-112.i386.rpm
78a987bd0a38d067a8cffd6c6003abd8
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/sendmail-8.11.3-108.src.rpm
0a86a2d3158110479c44c6b8a09f2bb6
ftp://ftp.suse.com/pub/suse/i386/update/7.2/zq1/sendmail-tls-8.11.3-112.src.rpm
acf234a4fa14d9d078df10cd774da0ce
SuSE-7.1:
ftp://ftp.suse.com/pub/suse/i386/update/7.1/n1/sendmail-8.11.2-45.i386.rpm
abec9a5d08d89cabc662708b38cadfad
ftp://ftp.suse.com/pub/suse/i386/update/7.1/sec2/sendmail-tls-8.11.2-47.i386.rpm
36ab02484b69d9f6ac9d58b78cc0569d
source rpm(s):
ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/sendmail-8.11.2-45.src.rpm
e7e267fbb800277472f797f351796c6d
ftp://ftp.suse.com/pub/suse/i386/update/7.1/zq1/sendmail-tls-8.11.2-47.src.rpm
83b8fae134f192c53fa32c2d73f8dc8c
Sparc Platform:
SuSE-7.3:
ftp://ftp.suse.com/pub/suse/sparc/update/7.3/n1/sendmail-8.11.6-65.sparc.rpm
f3a9cff90e3ac9493bcab36b11dc692c
ftp://ftp.suse.com/pub/suse/sparc/update/7.3/sec2/sendmail-tls-8.11.6-65.sparc.rpm
63c14d646d8046df26c2899c0886bb24
source rpm(s):
ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/sendmail-8.11.6-65.src.rpm
7f01e6aa454231f35f6ee50958bb6f29
ftp://ftp.suse.com/pub/suse/sparc/update/7.3/zq1/sendmail-tls-8.11.6-65.src.rpm
e9086795f386471e6b2476febb419aa0
AXP Alpha Platform:
SuSE-7.1:
Limited package building resources are delaying the availiability of
update packages for the SuSE Linux 7.1 for Alpha distribution.
PPC Power PC Platform:
SuSE-7.3:
ftp://ftp.suse.com/pub/suse/ppc/update/7.3/n1/sendmail-8.11.6-123.ppc.rpm
1dd1154f1b9ede1dc003be26919b4d23
ftp://ftp.suse.com/pub/suse/ppc/update/7.3/sec2/sendmail-tls-8.11.6-122.ppc.rpm
a83a7f0885deb049a5a63d8114e47af4
source rpm(s):
ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/sendmail-8.11.6-123.src.rpm
2a199a60d825c8d3d2a1514fb58aea59
ftp://ftp.suse.com/pub/suse/ppc/update/7.3/zq1/sendmail-tls-8.11.6-122.src.rpm
621c390fbb8c44ffb1764d369c096d3f
SuSE-7.1:
ftp://ftp.suse.com/pub/suse/ppc/update/7.1/n1/sendmail-8.11.2-34.ppc.rpm
c1657f4dbc2f4967fb3ca04c17e2f1f3
ftp://ftp.suse.com/pub/suse/ppc/update/7.1/sec2/sendmail-tls-8.11.2-38.ppc.rpm
7f564cc83d85970cd7c0f61896c916e6
source rpm(s):
ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/sendmail-8.11.2-34.src.rpm
bd749453da2ff7513f09798d8b0b2e56
ftp://ftp.suse.com/pub/suse/ppc/update/7.1/zq1/sendmail-tls-8.11.2-38.src.rpm
1c347e9052b1b7dd02ae6630c56445db
______________________________________________________________________________
2) Pending vulnerabilities in SuSE Distributions and Workarounds:
- glibc
SuSE Security is working on glibc updates for the RPC XDR integer overflow
security problem in glibc. The central function of the glibc package in a
Linux system requires extensive testing of the update packages. The update
packages will be provided for download at the usual location and
publically announced as soon as the testing is completed successfully.
- vnc
VNC (Virtual Network Computing) uses a weak cookie generation process
which can be exploited by an attacker to bypass authentication.
New packages are currently being tested and will be available on our
FTP servers soon.
- openssl
A paper regarding remote timing attacks against OpenSSL has been
published by researchers of the Stanford University. It is possible
to extract the private RSA key used by services using OpenSSL by
observing their timing behavior. Fixed packages will be available
on our FTP servers soon.
______________________________________________________________________________
3) standard appendix: authenticity verification, additional information
- Package authenticity verification:
SuSE update packages are available on many mirror ftp servers all over
the world. While this service is being considered valuable and important
to the free and open source software community, many users wish to be
sure about the origin of the package and its content before installing
the package. There are two verification methods that can be used
independently from each other to prove the authenticity of a downloaded
file or rpm package:
1) md5sums as provided in the (cryptographically signed) announcement.
2) using the internal gpg signatures of the rpm package.
1) execute the command
md5sum <name-of-the-file.rpm>
after you downloaded the file from a SuSE ftp server or its mirrors.
Then, compare the resulting md5sum with the one that is listed in the
announcement. Since the announcement containing the checksums is
cryptographically signed (usually using the key security@suse.de),
the checksums show proof of the authenticity of the package.
We disrecommend to subscribe to security lists which cause the
email message containing the announcement to be modified so that
the signature does not match after transport through the mailing
list software.
Downsides: You must be able to verify the authenticity of the
announcement in the first place. If RPM packages are being rebuilt
and a new version of a package is published on the ftp server, all
md5 sums for the files are useless.
2) rpm package signatures provide an easy way to verify the authenticity
of an rpm package. Use the command
rpm -v --checksig <file.rpm>
to verify the signature of the package, where <file.rpm> is the
filename of the rpm package that you have downloaded. Of course,
package authenticity verification can only target an un-installed rpm
package file.
Prerequisites:
a) gpg is installed
b) The package is signed using a certain key. The public part of this
key must be installed by the gpg program in the directory
~/.gnupg/ under the user's home directory who performs the
signature verification (usually root). You can import the key
that is used by SuSE in rpm packages for SuSE Linux by saving
this announcement to a file ("announcement.txt") and
running the command (do "su -" to be root):
gpg --batch; gpg < announcement.txt | gpg --import
SuSE Linux distributions version 7.1 and thereafter install the
key "build@suse.de" upon installation or upgrade, provided that
the package gpg is installed. The file containing the public key
is placed at the top-level directory of the first CD (pubring.gpg)
and at ftp://ftp.suse.com/pub/suse/pubring.gpg-build.suse.de .
- SuSE runs two security mailing lists to which any interested party may
subscribe:
suse-security@suse.com
- general/linux/SuSE security discussion.
All SuSE security announcements are sent to this list.
To subscribe, send an email to
<suse-security-subscribe@suse.com>.
suse-security-announce@suse.com
- SuSE's announce-only mailing list.
Only SuSE's security announcements are sent to this list.
To subscribe, send an email to
<suse-security-announce-subscribe@suse.com>.
For general information or the frequently asked questions (faq)
send mail to:
<suse-security-info@suse.com> or
<suse-security-faq@suse.com> respectively.
=====================================================================
SuSE's security contact is <security@suse.com> or <security@suse.de>.
The <security@suse.de> public key is listed below.
=====================================================================
______________________________________________________________________________
The information in this advisory may be distributed or reproduced,
provided that the advisory is not modified in any way. In particular,
it is desired that the clear-text signature shows proof of the
authenticity of the text.
SuSE Linux AG makes no warranties of any kind whatsoever with respect
to the information contained in this security advisory.
Type Bits/KeyID Date User ID
pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <security@suse.de>
pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <build@suse.de>
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Version: GnuPG v1.0.6 (GNU/Linux)
Comment: For info see http://www.gnupg.org
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DgCfZ5Wj+f7cnYpFZI6GkAyyczG09sE=
=LRKC
- -----END PGP PUBLIC KEY BLOCK-----
Roman Drahtmüller,
SuSE Security.
- --
- -
| Roman Drahtmüller <draht@suse.de> // "You don't need eyes to see, |
SuSE Linux AG - Security Phone: // you need vision!"
| Nürnberg, Germany +49-911-740530 // Maxi Jazz, Faithless |
- -
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Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Sun Microsystems Inc. Affected
Notified: March 29, 2003 Updated: March 31, 2003
Status
Affected
Vendor Statement
Solaris 2.6, 7, 8 and 9 are vulnerable to VU#897604.
Sun will be publishing a Sun Alert for the issue at the following location shortly:
http://sunsolve.Sun.COM/pub-cgi/retrieve.pl?doc=fsalert/52620
The Sun Alert will be updated with the patch information as soon as the patches are available.
At that time, the patches listed in the Sun Alert will be available from:
http://sunsolve.sun.com/securitypatch
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
The Sendmail Consortium Affected
Updated: March 29, 2003
Status
Affected
Vendor Statement
The Sendmail Consortium recommends that sites upgrade to 8.12.9 whenever possible. Alternatively, patches are available for 8.9, 8.10, 8.11, and 8.12 on http://www.sendmail.org/.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Wind River Systems Inc. Affected
Notified: March 29, 2003 Updated: March 30, 2003
Status
Affected
Vendor Statement
This vulnerability is addressed by the M500-008 patch for Platform for Server Appliances 1.0 or BSD/OS 5.0 based systems. The M31--005 patch addresses this problem for BSD/OS 4.3.1 or 4.3 systems, and the M420-034 addresses this problem for BSD/OS 4.2 based systems.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Wirex Affected
Notified: March 29, 2003 Updated: April 02, 2003
Status
Affected
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
<http://www.securityfocus.com/archive/1/317135/2003-03-30/2003-04-05/0>
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Hitachi Not Affected
Notified: March 29, 2003 Updated: May 20, 2003
Status
Not Affected
Vendor Statement
HI-UX/WE2's sendmail is NOT Vulnerable to this issue.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Lotus Software Not Affected
Notified: March 29, 2003 Updated: April 01, 2003
Status
Not Affected
Vendor Statement
Lotus products are not vulnerable to this problem.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
AT&T Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Alcatel Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Avaya Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Check Point Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Cisco Systems Inc. Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Computer Associates Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Cray Inc. Unknown
Notified: March 29, 2003 Updated: March 31, 2003
Status
Unknown
Vendor Statement
Cray Inc. may be vulnerable and has opened sprs 725085 and 725086 to investigate.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Data General Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Guardian Digital Inc. Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Juniper Networks Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Lucent Technologies Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Microsoft Corporation Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
MontaVista Software Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
NEC Corporation Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Nokia Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Novell Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Secure Computing Corporation Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Sony Corporation Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
Unisys Unknown
Notified: March 29, 2003 Updated: March 29, 2003
Status
Unknown
Vendor Statement
We have not received a statement from the vendor.
Vendor Information
The vendor has not provided us with any further information regarding this vulnerability.
Addendum
The CERT/CC has no additional comments at this time.
If you have feedback, comments, or additional information about this vulnerability, please send us email.
CVSS Metrics
| Group | Score | Vector |
|---|---|---|
| Base | ||
| Temporal | ||
| Environmental |
References
Acknowledgements
This vulnerability was discovered by Michal Zalewski and reported by Sendmail Inc.
This document was written by Art Manion.
Other Information
| CVE IDs: | CVE-2003-0161 |
| CERT Advisory: | CA-2003-12 |
| Severity Metric: | 67.20 |
| Date Public: | 2003-03-29 |
| Date First Published: | 2003-03-29 |
| Date Last Updated: | 2003-09-25 05:19 UTC |
| Document Revision: | 38 |