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Carnegie Mellon University

Software Engineering Institute

CERT Coordination Center

HTTP proxy default configurations allow arbitrary TCP connections

Vulnerability Note VU#150227

Original Release Date: 2002-05-17 | Last Revised: 2005-04-29

Overview

Multiple vendors' HTTP proxy services use insecure default configurations that could allow an attacker to make arbitrary TCP connections to internal hosts or to external third-party hosts.

Description

HTTP proxy services commonly support the HTTP CONNECT method, which is designed to create a TCP connection that bypasses the normal application layer functionality of the proxy service. Typically, the HTTP CONNECT method is used to tunnel HTTPS connections through an HTTP proxy. The proxy service does not decrypt the HTTPS traffic, as this would violate the end-to-end security model used by TLS/SSL.

The HTTP CONNECT method is described in an expired IETF Internet-Draft written in 1998 by Ari Luotonen. This document clearly explains the security risks associated with the HTTP CONNECT method:

6. Security Considerations

   The CONNECT tunneling mechanism is really a lower-level function than
   the rest of the HTTP methods, kind of an escape mechanism for saying
   that the proxy should not interfere with the transaction, but merely
   forward the data.  In the case of SSL tunneling, this is because the
   proxy should not need to know the entire URI that is being accessed
   (privacy, security), only the information that it explicitly needs
   (hostname and port number) in order to carry out its part.

   Due to this fact, the proxy cannot necessarily verify that the
   protocol being spoken is really what it is supposed to tunnel (SSL
   for example), and so the proxy configuration should explicitly limit
   allowed connections to well-known ports for that protocol (such as
   443 for HTTPS, 563 for SNEWS, as assigned by IANA, the Internet
   Assigned Numbers Authority).

   Ports of specific concern are such as the telnet port (port 23), SMTP
   port (port 25) and many UNIX specific service ports (range 512-600).
   Allowing such tunnelled connections to e.g. the SMTP port might
   enable sending of uncontrolled E-mail ("spam").

Many vendors' HTTP proxy services are configured by default to listen on all network interfaces and to allow HTTP CONNECT method tunnels to any TCP port. A proxy may also allow the GET method with a crafted HTTP 1.1 Host request-header and the POST method to be used to create arbitrary TCP connections. Other HTTP methods (PUT) and FTP commands (USER/PASS, SITE, OPEN) can also be used to make arbitrary TCP connections through proxy services. SOCKS proxies suffer from similar insecure default configuration vulnerabilities, as do products that provide FTP proxy services.

Since most proxy services do not inspect application layer data in an HTTP CONNECT method tunneled connection, almost any TCP-based protocol may be forwarded through the proxy service. This creates an additional vulnerability in the case of HTTP anti-virus scanners and content filters that do not check the contents of an HTTP CONNECT method tunnel [VU#868219]. In addition, an attacker may be able to cause a denial of service by making recursive connections to a proxy service. Note that a wide variety of products including proxy servers, web servers, web caches, firewalls, and content/virus scanners provide HTTP proxy services.

Most products can be configured to specify which networks can access the HTTP proxy service and which destination TCP ports (and possibly IP addresses) are permitted. Products that provide a reasonably secure default configuration are noted as "Not Vulnerable" in the Systems Affected section of this document. It is important to note that any proxy service can be configured insecurely, potentially allowing access from any source to any destination IP address and TCP port.

Impact

The HTTP CONNECT method, as well as other HTTP methods and FTP commands, can be abused to establish arbitrary TCP connections through vulnerable proxy services. An attacker could use a vulnerable proxy service on one network as an intermediary to scan or connect to TCP services on another network. In a more severe case, an attacker may be able to establish a connection from a public network, such as the Internet, through a vulnerable proxy service to an internal network.
The CERT/CC has received numerous reports of this technique being used to connect to SMTP services (25/tcp) to initiate the delivery of unsolicited bulk email (UCE/SPAM).

If a proxy service allows recursive connections, an attacker may be able to cause a denial-of-service condition by consuming resources by making repeated connections from the proxy service back to itself.

Solution


Apply Patch or Upgrade

Apply a patch or upgrade from your vendor. For information about a specific vendor, check the Systems Affected section of this document or contact your vendor directly.

Vendors listed as "Not Vulnerable" ship HTTP proxy services with reasonably secure default configurations, meaning that the proxy only allows connections to a limited number of TCP ports, or only listens on an internal or loopback interface, or requires further configuration before it will pass traffic. The vendor ships a secure or disabled proxy, and the responsibility of configuring the proxy is placed on the administrator. Note that almost any proxy service, including those from vendors listed as "Not Vulnerable," can be configured insecurely. Different distributions or packages may configure the same proxy application in different ways.


Secure Proxy Configuration

Check the configuration of your proxy services to determine if they allow connections to arbitrary TCP ports and whether they allow connections from untrusted networks such as the Internet. Configure your proxy services to only allow connections from trusted networks to reasonably safe TCP ports such as HTTP (80/tcp) and HTTPS (443/tcp). If possible, configure your proxy services not to allow recursive connections. For more information about specific products, check the Systems Affected section of this document, consult your product documentation, or contact your vendor.

Examine Tunneled Data

If possible, configure your HTTP proxy services to check the application layer contents of HTTP CONNECT method tunnels. Even if an HTTP proxy service is not able to decrypt HTTPS data, the proxy service could examine the initial stages of an HTTP CONNECT method connection to confirm that an SSL/TLS handshake is indeed being performed.

Vendor Information

150227
 
Expand all

AnalogX Affected

Updated:  September 23, 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

AnalogX Proxy 4.14 (May 2003) blocks connections to port 25/tcp by default and provides access control for destination ports used by the HTTP CONNECT method. A warning is displayed if the proxy is configured to listen on all IP addresses, and the proxy can be bound to one address.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Astaro Security Linux Affected

Updated:  June 19, 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/1/307994/2003-01-15/2003-01-21/0>

<http://www.securityfocus.com/archive/1/311240/2003-02-08/2003-02-14/0>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CacheFlow Inc. Affected

Updated:  September 15, 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

In a message posted to BugTraq (BID 4143), Steve VanDevender reports that this vulnerability has been exploited in CacheFlow products to relay spam. In this message to the Incidents mailing list, Tim Kennedy provides a more secure CacheFlow configuration.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Cisco Systems Inc. Affected

Notified:  April 19, 2002 Updated: May 16, 2002

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

Cisco has released a Cisco Security Advisory addressing this vulnerability (CSCdx05705).

If you have feedback, comments, or additional information about this vulnerability, please send us email.

IBM Affected

Notified:  April 19, 2002 Updated: September 23, 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

It has been reported that IBM Web Traffic Express (WTE)/WebSphere EdgeServer ships with an insecure HTTP proxy configuration.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Kerio Affected

Updated:  October 15, 2002

Status

Affected

Vendor Statement

WinRoute Pro customers are in 99% of cases using NAT for Internet access, therefore making it impossible to connect to the proxy server through external interfaces and thus exploit CONNECT method. Cusomers that are not using NAT but are using (or have enabled) the proxy component, should create appropriate packet filtering rules. The reasonable rule would be to filter incoming external TCP traffic on port 3128, where by default the proxy server listens.

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 Affected

Notified:  April 19, 2002 Updated: June 19, 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 the "Proxy used for spam" thread in novell.support.internet.bordermanager.proxies-fastcache.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Symantec Corporation Affected

Notified:  April 19, 2002 Updated: June 19, 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.ai-sec.dk/modules.php?op=modload&name=News&file=article&sid=30>

<http://www.securityfocus.com/archive/1/295150/2002-10-09/2002-10-15/0>

<http://www.securityfocus.com/archive/1/295252/2002-10-09/2002-10-15/0>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Tiny Software Affected

Updated:  June 25, 2002

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.

Trend Micro Affected

Notified:  April 19, 2002 Updated: February 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 tested InterScan VirusWall 3.52 on Windows 2000 and found it to be vulnerable. InterScan VirusWall can be used with a separate HTTP proxy service that may be able to block connections that use the HTTP CONNECT method. Web VirusWall for Windows NT requires a separate HTTP proxy service.

This issue has been addressed in InterScan VirusWall for UNIX:

<http://kb.trendmicro.com/solutions/solutionDetail.asp?solutionId=13211>
See also:

<http://kb.trendmicro.com/solutions/solutionDetail.asp?solutionID=13000>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

WebWasher Affected

Updated:  June 19, 2003

Status

Affected

Vendor Statement

This problem has been fixed with the newest releases of WebWasher EE.
General Availability (GA) release: WebWasher Proxy 3.4.1 Build 175
First Customer Shipment (FCS) release: WebWasher 4.0.0 Build 177

We fixed the problem end of July [2002] and that all version we released since contain this fix.

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 Not Affected

Notified:  April 19, 2002 Updated: June 20, 2002

Status

Not Affected

Vendor Statement

In relation to this CERT vulnerability note on security vulnerabilities with HTTP CONNECT, Alcatel has conducted an immediate assessment to determine any impact this may have on our portfolio. A first analysis has shown that none of our products which embed an HTTP proxy is affected when used as delivered to customers. Customers may contact their Alcatel support representative for more details. The security of our customers' networks is of highest priority for Alcatel. Therefore we continue to test our product portfolio against potential HTTP CONNECT security vulnerabilities and will provide updates if necessary.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC does not have information about the default configurations of Alcatel devices that implement HTTP proxy services.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Apache Not Affected

Notified:  April 19, 2002 Updated: October 16, 2002

Status

Not 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 Apache HTTP Server listens on all IP interfaces by default. The documentation for the Apache mod_proxy module states: "By default, only the default https port (443) and the default snews port (563) are enabled." Individual vendors may configure Apache differently.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Check Point Not Affected

Notified:  April 19, 2002 Updated: July 23, 2002

Status

Not Affected

Vendor Statement

The most recent versions of VPN-1/FireWall-1, versions NG FP2 and 4.1 SP6, are in no way vulnerable to the HTTP Connect vulnerability described below. In addition, even in previous versions, Check Point's products did not allow "arbitrary connections"; in fact, no connections were possible unless an explicit rule existed in the rule base allowing a specific connection from the original source IP to the eventual destination IP. No escalation of privilege was granted. No bypass of HTTP content or anti-virus scanning was possible.

The only exposure, per se, was that the outbound connection from the firewall would have the firewall's source IP address when seen by the eventual target.

The simple workaround for this issue, in older product versions, was to simply have a rule on the firewall which blocks connections which come from an external IP address and are destined to an external IP address. Since connections established by the HTTP Connect method must still be validated by the rulebase, this solution (a good idea, in any case) would prevent an external hacker from "bouncing" connections through the firewall to another external system. New versions of VPN-1/FireWall-1 offer the administrator more granular control over the use of HTTP Connect.

Check Point's posted response to this issue as originally published is available at http://www.checkpoint.com/techsupport/alerts/http_connect.html.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

In a message posted to bugtraq (BID 4131), Volker Tanger reports that this vulnerability could allow an arbitrary TCP connection to be made through FireWall-1 4.1 SP5. Based on further public discussion and information from Check Point, it seems that while the FireWall-1 HTTP proxy service may allow arbitrary HTTP CONNECT method connections, such connections are denied unless explicitly permitted in the firewall rule base.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

DeleGate Not Affected

Updated:  June 29, 2004

Status

Not Affected

Vendor Statement

When DeleGate is running as a HTTP proxy server, it allows only port 443 and 564 as the destination port of the CONNECT method, by default. When DeleGate relays a request with a header, it removes malformed header fields like "RCPT To:..." for example (illegal space in this case). And when DeleGate is relaying to a non-HTTP but privileged port, it tries to detect greeting message from non-HTTP server before relaying a request to it. If the server returns non-HTTP response like "220 ready" within a specified time period, then the request is rejected without forwarded to the server. These mechanisms have been available since 1999 (after DeleGate version 6).

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the Access control section of the DeleGate manual.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

F5 Networks Not Affected

Notified:  April 19, 2002 Updated: May 28, 2002

Status

Not Affected

Vendor Statement

F5 Networks' EDGE-FX Cache product permits CONNECT requests only to ports 443, 8443, 8081, and 563 by default.

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 Not Affected

Notified:  April 19, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

[HP does not] have any products with insecure default configurations in HTTP proxy services.

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.

Inktomi Corporation Not Affected

Notified:  May 13, 2002 Updated: May 23, 2002

Status

Not Affected

Vendor Statement

Inktomi Traffic Server allows CONNECT tunnels only to a list of specifically allowed target ports. CONNECT requests to any other port will be denied. The allowed port list can be read or updated from the "Protocols" page of the administrative GUI, or by editting the proxy .config.http.ssl_ports variable in the master configuration file. The only ports allowed by default are port 443 and port 563. Traffic Server blocks recursive service requests.

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 Not Affected

Notified:  May 18, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

Our products do not provide HTTP services, so there is no impact for us.

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.

Junkbusters Not Affected

Updated:  February 10, 2003

Status

Not 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 default configuration of Internet Junkbuster 2.0.2 only blocks access to port 23/tcp, but also only listens to the loopback interface (127.0.0.1). Access to other TCP ports can be restricted as specified in the Internet Junkbuster FAQ. Previous versions of Junkbuster may by default listen on all interfaces (INADDR ANY) without an adequate ACL.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Lotus Software Not Affected

Notified:  April 19, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

Lotus products are not vulnerable. [Lotus does] not provide proxy services.

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.

MultiNet Not Affected

Notified:  April 19, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

Neither MultiNet nor TCPware include an HTTP server or HTTP proxy services.

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 Not Affected

Updated:  June 29, 2004

Status

Not Affected

Vendor Statement

SAFEBORDER (SSL VPN appliance)


    - is NOT vulnerable.
    Although it works as a SOCKS proxy service, it allows no TCP/UDP connection with its default configuration.

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.

Oracle Corporation Not Affected

Notified:  April 23, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

Our proxy services and HTTP proxies are not vulnerable.

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.

RabbIT Not Affected

Updated:  May 23, 2002

Status

Not 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 default configuration of RabbIT limits HTTP CONNECT method connections to ports 443/TCP, 444/TCP, and 445/TCP.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Squid Not Affected

Updated:  October 16, 2002

Status

Not 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

By default, Squid allows access to a limited number of privileged ports and all non-privileged ports, as noted in the Squid Access Controls FAQ. Squid also denies all client requests by default, as noted in the Squid Security Concerns FAQ. Individual vendors may configure Squid differently.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

TIS Not Affected

Updated:  April 16, 2002

Status

Not 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 TIS Firewall Toolkit (FWTK) 2.x supports HTTP tunneling via the http-gw and/or plug-gw modules. Also, an older SSL proxy module (ssl-gw) is available. The sample configuration included with FWTK 2.1 does not enable HTTP tunneling.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Wind River Systems Inc. Not Affected

Notified:  April 19, 2002 Updated: May 29, 2002

Status

Not Affected

Vendor Statement

[O]ur embedded web servers don't offer these capabilities [HTTP CONNECT method support].

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.

3Com Unknown

Notified:  April 23, 2002 Updated: May 23, 2002

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.

ACME Laboratories Unknown

Updated:  September 23, 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

<http://www.acme.com/>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

AT&T Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Aladdin Knowledge Systems Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Apple Computer Inc. Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

CERN Unknown

Updated:  April 19, 2002

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

CERN httpd (W3C httpd) has not been maintained since 1996. The CERN httpd does not appear to support the HTTP CONNECT method.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CGIProxy Unknown

Updated:  September 23, 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.

Compaq Computer Corporation Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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:  April 19, 2002 Updated: May 20, 2002

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.

CyberSoft Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Data General Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Debian Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Eolian Unknown

Updated:  May 24, 2002

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

Eolian went out of business in 2000. The vulnerability status of their InfoStorm product is unknown.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Finjan Software Unknown

Updated:  April 12, 2002

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.

Fujitsu Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

IBM-zSeries Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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:  April 19, 2002 Updated: May 20, 2002

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:  April 19, 2002 Updated: May 20, 2002

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.

Netscape Communications Corporation Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Network Appliance Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Network Associates Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

OpenBSD Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Proland Software Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

RhinoSoft Unknown

Updated:  September 23, 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

<http://www.allegrosurf.com/>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

SGI Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

SapporoWorks Unknown

Updated:  September 23, 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

<http://homepage2.nifty.com/spw/software/bjd/>

If you have feedback, comments, or additional information about this vulnerability, please send us email.

Sequent Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Stronghold Unknown

Updated:  May 20, 2002

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.

The SCO Group (SCO Linux) Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

The SCO Group (SCO UnixWare) Unknown

Notified:  April 19, 2002 Updated: May 20, 2002

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.

Trustix Secure Linux Unknown

Updated:  October 15, 2002

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:  April 19, 2002 Updated: May 20, 2002

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.

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CVSS Metrics

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References

Acknowledgements

An instance of this vulnerability in Check Point FireWall-1 was reported by Volker Tanger in February 2002. The CERT/CC thanks Ronald Guilmette for information used in this document.

This document was written by Art Manion.

Other Information

CVE IDs: None
Severity Metric: 89.51
Date Public: 2002-02-19
Date First Published: 2002-05-17
Date Last Updated: 2005-04-29 15:07 UTC
Document Revision: 104

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