MPlayer Streaming ASX Header Parsing Buffer Overrun Vulnerability

BID:8702

Info

MPlayer Streaming ASX Header Parsing Buffer Overrun Vulnerability

Bugtraq ID: 8702
Class: Boundary Condition Error
CVE: CVE-2003-0835
Remote: Yes
Local: No
Published: Sep 25 2003 12:00AM
Updated: Jul 11 2009 11:56PM
Credit: Discovery of this vulnerability has been credited to "Otero, Hernan" <[email protected]>.
Vulnerable: MPlayer MPlayer 1.0 pre1
MPlayer MPlayer 0.91
+ Mandriva Linux Mandrake 9.2
MPlayer MPlayer 0.90 rc series
MPlayer MPlayer 0.90 pre series
MPlayer MPlayer 0.90
MPlayer MPlayer 0.9 0rc4
+ Mandriva Linux Mandrake 9.1
Not Vulnerable: MPlayer MPlayer 1.0 pre1
MPlayer MPlayer 0.92

Discussion

MPlayer Streaming ASX Header Parsing Buffer Overrun Vulnerability

A vulnerability has been discovered in MPLayer when handling malformed streaming ASX file headers. The problem occurs due to insufficient bounds checking performed within asf_http_request(). It has been demonstrated that it is possible for a remote attacker to provide a malicious streaming ASX file that will overrun the bounds of a reserved buffer, when a vulnerable version of MPlayer is used to interpret the file. Remote arbitrary code execution has been confirmed possible.

Exploit / POC

MPlayer Streaming ASX Header Parsing Buffer Overrun Vulnerability

The following proof of concept has been supplied:

Solution / Fix

MPlayer Streaming ASX Header Parsing Buffer Overrun Vulnerability

Solution:
This issue has been addressed in the latest CVS update as well as in MPlayer 0.92.

Gentoo has released a security advisory to address this issue. Affected users are advised to execute the following commands to update vulnerable systems:

emerge sync
emerge media-video/mplayer-0.92
emerge clean

Mandrake has released an advisory that contains fixes that address this issue. Updates can be applied automatically via MandrakeUpdate or urpmi. Manual fixes have also been provided.


MPlayer MPlayer 0.9 0rc4

MPlayer MPlayer 0.90

MPlayer MPlayer 0.90 pre series

MPlayer MPlayer 0.90 rc series

MPlayer MPlayer 0.91

MPlayer MPlayer 1.0 pre1

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