bsd-games tetris-bsd checkscores() buffer overflow

bsdgames-tetrisbsd-checkscores-bo (25611) The risk level is classified as HighHigh Risk

Description:

bsd-games is vulnerable to a buffer overflow in the checkscores() function in scores.c. By creating a specially crafted testris-bsd.scores file, a local attacker could overflow a buffer and execute arbitrary code on the system with the privileges of other tetris-bsd players.


Consequences:

Gain Privileges

Remedy:

Refer to GLSA 200603-26 for upgrade or suggested workaround information. See References.

References:

  • BID-17308: Tetris-BSD Tetris-bsd.scores Local Privilege Escalation Vulnerability
  • CVE-2006-1539: Multiple buffer overflows in the checkscores function in scores.c in tetris-bsd in bsd-games before 2.17-r1 in Gentoo Linux might allow local users with games group membership to gain privileges by modifying tetris-bsd.scores to contain crafted executable content, which is executed when another user launches tetris-bsd.
  • DSA-1036: bsdgames -- buffer overflow
  • GLSA-200603-26: bsd-games: Local privilege escalation in tetris-bsd
  • OSVDB ID: 24261: tetris-bsd on Gentoo Linux checkscores() Function Local Overflow
  • SA19442: Gentoo bsd-games Privilege Escalation Vulnerability

Platforms Affected:

  • bsd-games tetris-bsd
  • Debian Debian Linux 3.0
  • Debian Debian Linux 3.1
  • Gentoo Linux

Reported:

Mar 29, 2006

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