[ GLSA 200403-13 ] Remote buffer overflow in MPlayer

[GLSA]

Gentoo Linux Security Advisory

Title: Remote buffer overflow in MPlayer (GLSA 200403-13)
Severity: high
Exploitable: remote
Date: March 31, 2004
Updated: October 11, 2006
Bug(s): #46246
ID: 200403-13

Synopsis


MPlayer contains a remotely exploitable buffer overflow in the HTTP parser
that may allow attackers to run arbitrary code on a user's computer.


Background


Quote from http://mplayerhq.hu
"MPlayer is a movie player for LINUX (runs on many other Unices, and
non-x86 CPUs, see the documentation). It plays most MPEG, VOB, AVI,
OGG/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, FLI, RM, NuppelVideo, YUV4MPEG,
FILM, RoQ, PVA files, supported by many native, XAnim, and Win32 DLL
codecs. You can watch VideoCD, SVCD, DVD, 3ivx, DivX 3/4/5 and even WMV
movies, too."


Affected Packages

Package: media-video/mplayer
Vulnerable: <= 0.92
Unaffected: >= 0.92-r1
Architectures: x86 and sparc

Package: media-video/mplayer
Vulnerable: <= 1.0_pre2
Unaffected: >= 1.0_pre2-r1
Architectures: amd64

Package: media-video/mplayer
Vulnerable: <= 1.0_pre3
Unaffected: >= 1.0_pre3-r3
Architectures: ppc


Description


A vulnerability exists in the MPlayer HTTP parser which may allow an
attacker to craft a special HTTP header ("Location:") which will trick
MPlayer into executing arbitrary code on the user's computer.


Impact


An attacker without privileges may exploit this vulnerability remotely,
allowing arbitrary code to be executed in order to gain unauthorized
access.


Workaround


A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.


Resolution


MPlayer may be upgraded as follows:

x86 and SPARC users should: