UFO: Alien Invasion <= 2.2.1 IRC Client Buffer Overflow
Vulnerability Description
UFO: Alien Invasion versions up to and including 2.2.1 contain a buffer overflow vulnerability in its built-in IRC client component. When the client connects to an IRC server and receives a crafted numeric reply (specifically a 001 message), the application fails to properly validate the length of the response string. This results in a stack-based buffer overflow, which may corrupt control flow structures and allow arbitrary code execution. The vulnerability is triggered during automatic IRC connection handling and does not require user interaction beyond launching the game.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Jason Geffner
References
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/misc/ufo_ai.rb
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/osx/misc/ufo_ai.rb
- https://www.exploit-db.com/exploits/16864
- https://www.exploit-db.com/exploits/14013
- https://www.moddb.com/news/ufo-alien-invasion-231-released
- https://www.vulncheck.com/advisories/ufo-alien-invasion-irc-client-buffer-overflow
Affected Vendor
UFO: Alien Invasion Project
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