ClanLib long environment variable buffer overflow

clanlib-long-env-bo (7905) The risk level is classified as HighHigh Risk


ClanLib is vulnerable to a buffer overflow caused by improper bounds checking on some environment variables. By setting the HOME environment variable to a character string containing 9000 bytes or more, a local attacker can overflow a buffer and execute arbitrary code on the system with elevated privileges.


Gain Privileges


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Mon Jan 14 2002 - 18:56:09 CST: Clanlib overflow / Super Methane Brothers overflow.
  • ClanLib Web site: ClanLib Game SDK.
  • BID-3877: ClanLib Environment Variable Overflow Vulnerability
  • CVE-2002-0125: Buffer overflow in ClanLib library 0.5 may allow local users to execute arbitrary code in games that use the library, such as (1) Super Methane Brothers, (2) Star War, (3) Kwirk, (4) Clankanoid, and others, via a long HOME environment variable.
  • OSVDB ID: 10612: ClanLib Game Library HOME Variable Overflow

Platforms Affected:

  • ClanLib ClanLib 5.0


Jan 14, 2002

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