National Cyber-Alert System
Vulnerability Summary for CVE-2004-0492
Original release date:08/06/2004
Last revised:09/10/2008
Source:
US-CERT/NIST
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):
Impact Subscore:
10.0
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- 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
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US-CERT Vulnerability Note: VU#541310
Name: VU#541310
External Source: DEBIAN
Name: DSA-525
Type: Advisory; Patch Information
External Source: REDHAT
Name: RHSA-2004:245
Type: Advisory; Patch Information
External Source: BUGTRAQ
Name: 20040611 [OpenPKG-SA-2004.029] OpenPKG Security Advisory (apache)
Type: Advisory; Patch Information
External Source: FEDORA
Name: FLSA:1737
External Source: XF
Name: apache-modproxy-contentlength-bo(16387)
Type: Advisory
External Source: MISC
Name: http://www.guninski.com/modproxy1.html
External Source: SUNALERT
Name: 57628
External Source: SUNALERT
Name: 101841
External Source: SUNALERT
Name: 101555
External Source: SECUNIA
Name: 11841
External Source: FULLDISC
Name: 20040610 Buffer overflow in apache mod_proxy,yet still apache much better than windows
External Source: SGI
Name: 20040605-01-U
External Source: MANDRAKE
Name: MDKSA-2004:065
US Government Resource: oval:org.mitre.oval:def:4863
Name: oval:org.mitre.oval:def:4863
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:100112
Name: oval:org.mitre.oval:def:100112
Type: Tool Signature