Id Software Quake 3 Engine any version

Stack-based buffer overflow in the CL_ParseDownload function of Quake 3 Engine 1.32c and earlier, as used in multiple products, allows remote attackers to execute arbitrary code via a svc_download command with compressed data that triggers the overflow during expansion.

Directory traversal vulnerability in Quake 3 engine, as used in products including Quake3 Arena, Return to Castle Wolfenstein, Wolfenstein: Enemy Territory, and Star Trek Voyager: Elite Force, when the sv_allowdownload cvar is enabled, allows remote attackers to read arbitrary files from the server via ".." sequences in a .pk3 file request.

The Quake 3 engine, as used in multiple game packages, allows remote attackers to cause a denial of service (shutdown game server) and possibly crash the server via a long infostring, possibly triggering a buffer overflow.

client/cl_parse.c in the id3 Quake 3 Engine 1.32c and the Icculus Quake 3 Engine (ioquake3) revision 810 and earlier allows remote malicious servers to overwrite arbitrary write-protected cvars variables on the client, such as cl_allowdownload for Automatic Downloading and fs_homepath for the quake3 path, via a string of cvar names and values sent from the server. NOTE: this can be combined with another vulnerability to overwrite arbitrary files.

The Automatic Downloading option in the id3 Quake 3 Engine and the Icculus Quake 3 Engine (ioquake3) before revision 804 allows remote attackers to overwrite arbitrary files in the quake3 directory (fs_homepath cvar) via a long string of filenames, as contained in the neededpaks buffer.

Quake 3 engine, as used in multiple games, allows remote attackers to cause a denial of service (client disconnect) via a long message, which is not properly truncated and causes the engine to process the remaining data as if it were network data.