National Cyber-Alert System
Vulnerability Summary for CVE-2008-6441
Original release date:03/09/2009
Last revised:08/20/2009
Source:
US-CERT/NIST
Overview
Format string vulnerability in the Epic Games Unreal engine client, as used in multiple games, allows remote servers to execute arbitrary code via (1) the CLASS parameter in a DLMGR command, (2) a malformed package (PKG), and possibly (3) the LEVEL parameter in a WELCOME command.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: XF
Name: unrealengine-welcome-format-string(45090)
External Source: XF
Name: unrealengine-pkg-format-string(45089)
External Source: XF
Name: unrealengine-dlmgr-format-string(45088)
External Source: BID
Name: 31141
External Source: BUGTRAQ
Name: 20080911 Clients format strings in the Unreal engine
External Source: OSVDB
Name: 48291
External Source: OSVDB
Name: 48290
External Source: SECUNIA
Name: 31854
Type: Advisory
External Source: FULLDISC
Name: 20080911 Clients format strings in the Unreal engine
External Source: MISC
Name: http://aluigi.altervista.org/adv/unrealcfs-adv.txt