National Cyber-Alert System

Vulnerability Summary for CVE-2004-0492

Overview

Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a denial of service (process crash) and possibly execute arbitrary code via a negative Content-Length HTTP header field, which causes a large amount of data to be copied.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statments (disclaimer)

Official Statement from Apache (07/02/2008)

Fixed in Apache HTTP Server 1.3.32: http://httpd.apache.org/security/vulnerabilities_13.html

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

US-CERT Vulnerability Note: VU#541310

Name: VU#541310

Hyperlink:http://www.kb.cert.org/vuls/id/541310

External Source: DEBIAN

Name: DSA-525

Type: Advisory; Patch Information

Hyperlink:http://www.debian.org/security/2004/dsa-525

External Source: REDHAT

Name: RHSA-2004:245

Type: Advisory; Patch Information

Hyperlink:http://rhn.redhat.com/errata/RHSA-2004-245.html

External Source: BUGTRAQ

Name: 20040611 [OpenPKG-SA-2004.029] OpenPKG Security Advisory (apache)

Type: Advisory; Patch Information

Hyperlink:http://marc.theaimsgroup.com/?l=bugtraq&m=108711172710140&w=2

External Source: FEDORA

Name: FLSA:1737

Hyperlink:https://bugzilla.fedora.us/show_bug.cgi?id=1737

External Source: XF

Name: apache-modproxy-contentlength-bo(16387)

Type: Advisory

Hyperlink:http://xforce.iss.net/xforce/xfdb/16387

External Source: MISC

Name: http://www.guninski.com/modproxy1.html

Hyperlink:http://www.guninski.com/modproxy1.html

External Source: SUNALERT

Name: 57628

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-57628-1

External Source: SUNALERT

Name: 101841

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-101841-1

External Source: SUNALERT

Name: 101555

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-101555-1

External Source: SECUNIA

Name: 11841

Hyperlink:http://secunia.com/advisories/11841

External Source: FULLDISC

Name: 20040610 Buffer overflow in apache mod_proxy,yet still apache much better than windows

Hyperlink:http://seclists.org/lists/fulldisclosure/2004/Jun/0296.html

External Source: SGI

Name: 20040605-01-U

Hyperlink:ftp://patches.sgi.com/support/free/security/advisories/20040605-01-U.asc

External Source: MANDRAKE

Name: MDKSA-2004:065

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2004:065

US Government Resource: oval:org.mitre.oval:def:4863

Name: oval:org.mitre.oval:def:4863

Type: Tool Signature

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:4863

US Government Resource: oval:org.mitre.oval:def:100112

Name: oval:org.mitre.oval:def:100112

Type: Tool Signature

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:100112