12662 : xine pnm_get_chunk() Function Multiple Tag Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2004-12-21

Time to Patch	Time to Vendor Response
11 days	1 days

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2004-1188" target="_blank">CVE</a>)</em> : The pnm_get_chunk function in xine 0.99.2 and earlier, and other packages such as MPlayer that use the same code, does not properly verify that the chunk size is less than the PREAMBLE_SIZE, which causes a read operation with a negative length that leads to a buffer overflow via (1) RMF_TAG, (2) DATA_TAG, (3) PROP_TAG, (4) MDPR_TAG, and (5) CONT_TAG values, a different vulnerability than CVE-2004-1187.

Classification

Location: Remote / Network Access, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS, Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 1-rc8 or higher, as it has been reported to fix this vulnerability. In addition, xine and Mplayer have released patches for some older versions.

Products

Unknown or Incomplete

References

Security Tracker: 1012648
Related OSVDB ID: 12661
Secunia Advisory ID: 13739 13883 13926
ISS X-Force ID: 18638
CVE ID: 2004-1188 (see also: NVD)
Vendor Specific News/Changelog Entry: http://cvs.sourceforge.net/viewcvs.py/xine/xine-lib/src/input/pnm.c?r1=1.20&r2=1.21
http://www.mplayerhq.hu/MPlayer/patches/pnm_fix_20041215.diff
Vendor Specific Solution URL: http://cvs.sourceforge.net/viewcvs.py/xine/xine-lib/src/input/pnm.c?r1=1.20&r2=1.21
Other Advisory URL: http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000919
http://security.gentoo.org/glsa/glsa-200501-07.xml
http://www.idefense.com/application/poi/display?id=177&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=177&type=vulnerabilities
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:011
http://www.mandriva.com/security/advisories?name=MDKSA-2005:011
Vendor URL: http://www.xinehq.de/

Tools & Filters

	16220 16398

Credit

Anonymous - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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