6305 : CVS Line Entry Overflow
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Info

Last Modified

7 months ago

Percent Complete

100%

Disclosure

May 19, 2004

Discovery

Unknown

Dates

Exploit

May 19, 2004

Solution

Unknown

Description

A remote overflow exists in CVS. The issue is due to a boundary error within the handling of modified or unchanged flag insertion into CVS entry lines, resulting in a heap overflow. With a specially crafted request, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to version 1.12.8 (feature release) or 1.11.16 (stable release) or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

CVS	CVS	1.11.15
		1.12.7

References

Bugtraq ID: 10384
Secunia Advisory ID: 11641 11647 11651 11653 11658 11661 11662 11664 11674 11677 11767 17389
ISS X-Force ID: 16193
CERT VU: 192038
CVE ID: 2004-0396 (see also: NVD)
Vendor Specific Advisory URL: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:10.cvs.asc ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-008.txt.asc ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2005-006.txt.asc http://rhn.redhat.com/errata/RHSA-2004-190.html
http://www.debian.org/security/2004/dsa-505
http://www.gentoo.org/security/en/glsa/glsa-200405-12.xml
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:048
http://www.openbsd.org/errata35.html#cvs2
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2004&m=slackw ......
http://www.suse.de/de/security/2004_13_cvs.html
Other Advisory URL: ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2005-004.txt.asc http://security.e-matters.de/advisories/072004.html
Vendor Specific Solution URL: http://ccvs.cvshome.org/servlets/ProjectDownloadList
Generic Exploit URL: http://packetstormsecurity.nl/0405-exploits/cvs_linux_freebsd_HEAP.c
http://packetstormsecurity.nl/0405-exploits/cvs_solaris_HEAP.c
CIAC Advisory: o-147
US-CERT Cyber Security Alert: TA04-147A

Tools & Filters

Nessus	12240 12495 12530 13701 13706 13830 14147 14498 15342 18763
Snort	13614 13615 13616

Credit

Stefan Esser - sesserhardenend-php.net - Hardened-PHP Project

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