MPlayer Bitmap heap overflow
| mplayer-bitmap-bo (18527) |  High Risk |
Description:
MPlayer is vulnerable to a heap overflow, caused by improper bounds checking in the demux_open_bmp function in the /libmpdemux/demux_bmp.c file. By creating a specially-crafted Bitmap file containing a large lbiClrUsed field, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges, once the file is opened.
Platforms Affected:
- MPlayer, MPlayer 1.0 pre5
Remedy:
Apply the bmp_fix_20041215.diff patch for this vulnerability, as listed in iDEFENSE Security Advisory 12.16.04. See References.
Consequences:
Gain Access
References:
- iDEFENSE Security Advisory 12.16.04, MPlayer Bitmap Parsing Remote Heap Overflow Vulnerability at http://www.idefense.com/application/poi/display?id=168&type=vulnerabilities&flashstatus=true.
- CVE-2004-1309: Heap-based buffer overflow in the demux_open_bmp function in demux_bmp.c for Unix MPlayer 1.0pre5 allows remote attackers to execute arbitrary code via a bitmap (BMP) file containing a large biClrUsed field.
- MDKSA-2004:157: Updated mplayer packages fix multiple vulnerabilities
Reported:
Dec 16, 2004
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