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MPlayer Multiple Vulnerabilities
Secunia Advisory: SA13508
Release Date: 2004-12-17
Last Update: 2004-12-22
Popularity: 13,558 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:MPlayer 1.x

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CVE reference:CVE-2004-1285
CVE-2004-1309
CVE-2004-1310
CVE-2004-1311


Description:
Multiple vulnerabilities have been reported in MPlayer, which can be exploited by malicious people to compromise a user's system.

1) An integer overflow in the "real_setup_and_get_header()" function when processing RTSP streams can be exploited to cause a heap-based buffer overflow by passing an extremely large "Content-Length" for a stream.

2) Boundary errors in some functions within the MMST streaming code can be exploited to cause stack-based buffer overflows via a specially crafted files.

3) A boundary error in the "demux_open_bmp()" function when parsing bitmaps can be exploited to cause a heap-based buffer overflow via a specially crafted bitmap image containing an overly large value in the "biClrUsed" field.

4) An unspecified boundary error within the PNM streaming code can be exploited to cause a heap-based buffer overflow.

5) An unspecified boundary error within mp3lib can be exploited to cause a buffer overflow.

The vulnerabilities have been reported in version 1.0pre5 and the CVS version. Prior versions may also be affected.

Solution:
The vulnerabilities have been fixed in version 1.0pre5try2.
http://mplayerhq.hu/homepage/design7/dload.html

Provided and/or discovered by:
1-3) Discovered by anonymous person and reported via iDEFENSE.
2) Ariel Berkman
4+5) Reported by vendor.

Changelog:
2004-12-22: Added CVE references.

Original Advisory:
MPlayer:
http://mplayerhq.hu/pipermail/mplayer-announce/2004-December/000055.html

iDEFENSE:
http://www.idefense.com/application/poi/display?id=166&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=167&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=168&type=vulnerabilities

Ariel Berkman:
http://tigger.uic.edu/~jlongs2/holes/mplayer.txt


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