APP: Unreal Gamespy Query Protocol Buffer Overflow

This signature detects attempts to exploit a known vulnerability against the GameSpy query protocol supported by Unreal game engine. Attackers can crash a game server running the Unreal game engine, or execute arbitrary code with permissions of the user running the server.

Extended Description

Unreal Engine is reportedly prone to a memory corruption vulnerability. This issue presents itself when a remote attacker sends an excessive value to a vulnerable game server through a '\secure\' query. An attacker can exploit this issue to potentially overwrite sensitive memory addresses leading to a variety of attacks including denial of service and possible remote code execution.

Affected Products

Epic_games unreal_engine

Short Name
APP:GAME:UNREAL-GAMESPY-QP-BOF
Severity
Major
Recommended
False
Recommended Action
Drop
Category
APP
Keywords
Buffer CVE-2004-0608 Gamespy Overflow Protocol Query Unreal bid:10570
Release Date
06/23/2004
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3336
Port
UDP/7787
False Positive
Unknown
Vendors

Nerf_arena_blast

Gentoo

Running_with_scissors

Dreamforge

Infogrames

Arush

Epic_games

Rage_software

Robert_jordan

Ion_storm

CVSS Score

10.0

Found a potential security threat?