search menu icon-carat-right cmu-wordmark

CERT Coordination Center

Apache Portable Runtime contains heap buffer overflow in apr_psprintf()

Vulnerability Note VU#757612

Original Release Date: 2003-06-24 | Last Revised: 2003-09-18

Overview

The Apache HTTP server contains a denial-of-service vulnerability that allows remote attackers to conduct denial-of-service attacks against an affected server.

Description

The Apache HTTP server contains a heap buffer overflow vulnerability in the apr_psprintf() function. The Apache Software Foundation has provided the following description of this vulnerability:

Apache 2.0 versions 2.0.37 through 2.0.45 can be caused to crash in certain circumstances. This can be triggered remotely through mod_dav and possibly other mechanisms. The crash was originally reported by David Endler <DEndler@iDefense.com> and was researched and fixed by Joe Orton <jorton@redhat.com>. Specific details and an analysis of the crash will be published Friday, May 30. No more specific information is disclosed at this time, but all Apache 2.0 users are encouraged to upgrade now.

For further information, please read the announcement located at

http://www.apache.org/dist/httpd/Announcement2.html

Impact

This vulnerability allows remote attackers to conduct denial-of-service attacks against an affected server.

Solution

The Apache Software Foundation recommends that users upgrade to version 2.0.46 to address this vulnerability. The latest version of Apache is available at:


http://httpd.apache.org/download.cgi

Vendor Information

757612
 

CVSS Metrics

Group Score Vector
Base
Temporal
Environmental

References

Acknowledgements

The CERT/CC thanks David Endler for discovering this vulnerability.

This document was written by Jeffrey P. Lanza.

Other Information

CVE IDs: CVE-2003-0245
Severity Metric: 18.00
Date Public: 2003-05-28
Date First Published: 2003-06-24
Date Last Updated: 2003-09-18 18:15 UTC
Document Revision: 15

Sponsored by CISA.