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Vulnerability Details : CVE-2004-0492

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.
Publish Date : 2004-08-06 Last Update Date : 2011-09-06
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access Admin
Vulnerability Type(s) Denial Of ServiceExecute CodeOverflow
CWE ID CWE id is not defined for this vulnerability

- Vendor Statements

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

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat low 2004-06-10
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- Related OVAL Definitions

Title Definition Id Class Family
Apache Mod_Proxy Remote Negative Content-Length Buffer Overflow oval:org.mitre.oval:def:4863 unix
Apache mod_proxy Content-Length Header Buffer Overflow oval:org.mitre.oval:def:100112 unix
mod_proxy buffer overflow oval:org.apache.httpd:def:20040492
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2004-0492

# Product Type Vendor Product Version Update Edition Language
1 Application Apache Http Server 1.3.26 Version Details Vulnerabilities
2 Application Apache Http Server 1.3.27 Version Details Vulnerabilities
3 Application Apache Http Server 1.3.28 Version Details Vulnerabilities
4 Application Apache Http Server 1.3.29 Version Details Vulnerabilities
5 Application Apache Http Server 1.3.31 Version Details Vulnerabilities
6 Application HP Virtualvault 11.0.4 Version Details Vulnerabilities
7 OS HP Vvos 11.04 Version Details Vulnerabilities
8 Application HP Webproxy 2.0 Version Details Vulnerabilities
9 Application HP Webproxy 2.1 Version Details Vulnerabilities
10 Application IBM Http Server 1.3.26 Version Details Vulnerabilities
11 Application IBM Http Server 1.3.26.1 Version Details Vulnerabilities
12 Application IBM Http Server 1.3.26.2 Version Details Vulnerabilities
13 Application IBM Http Server 1.3.28 Version Details Vulnerabilities
14 OS Openbsd Openbsd Version Details Vulnerabilities
15 OS Openbsd Openbsd 3.4 Version Details Vulnerabilities
16 OS Openbsd Openbsd 3.5 Version Details Vulnerabilities
17 Application SGI Propack 2.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apache Http Server 5
HP Virtualvault 1
HP Vvos 1
HP Webproxy 2
IBM Http Server 4
Openbsd Openbsd 3
SGI Propack 1

- References For CVE-2004-0492

http://marc.info/?l=bugtraq&m=130497311408250&w=2
HP HPSBOV02683
ftp://patches.sgi.com/support/free/security/advisories/20040605-01-U.asc
SGI 20040605-01-U
http://www.mandriva.com/security/advisories?name=MDKSA-2004:065
MANDRAKE MDKSA-2004:065
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101841-1
SUNALERT 101841
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101555-1
SUNALERT 101555
http://secunia.com/advisories/11841
SECUNIA 11841
http://seclists.org/lists/fulldisclosure/2004/Jun/0296.html
FULLDISC 20040610 Buffer overflow in apache mod_proxy,yet still apache much better than windows
http://sunsolve.sun.com/search/document.do?assetkey=1-26-57628-1
SUNALERT 57628
http://xforce.iss.net/xforce/xfdb/16387
XF apache-modproxy-contentlength-bo(16387)
http://www.guninski.com/modproxy1.html
http://www.debian.org/security/2004/dsa-525
DEBIAN DSA-525
http://rhn.redhat.com/errata/RHSA-2004-245.html
REDHAT RHSA-2004:245
https://bugzilla.fedora.us/show_bug.cgi?id=1737
FEDORA FLSA:1737
http://marc.theaimsgroup.com/?l=bugtraq&m=108711172710140&w=2
BUGTRAQ 20040611 [OpenPKG-SA-2004.029] OpenPKG Security Advisory (apache)
http://www.kb.cert.org/vuls/id/541310
CERT-VN VU#541310

- Metasploit Modules Related To CVE-2004-0492

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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