Quake 3 engine based games: Buffer Overflow

Background

Quake 3 is a multiplayer first person shooter.

Description

landser discovered a vulnerability within the “remapShader” command. Due to a boundary handling error in “remapShader”, there is a possibility of a buffer overflow.

Impact

An attacker could set up a malicious game server and entice users to connect to it, potentially resulting in the execution of arbitrary code with the rights of the game user.

Workaround

Do not connect to untrusted game servers.

Resolution

All Quake 3 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=games-fps/quake3-bin-1.32c"

All RTCW users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=games-fps/rtcw-1.41b"

All Enemy Territory users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=games-fps/enemy-territory-2.60b"