Steve Kemp discovered a buffer overflow in the commandline and environment variable handling of omega-rpg, a text-based rogue-style game of dungeon exploration, which could lead a local attacker to gain unauthorised access to the group games.
For the stable distribution (woody) this problem has been fixed in version 0.90-pa9-7woody1.
For the unstable distribution (sid) this problem has been fixed in version 0.90-pa9-11.
We recommend that you upgrade your omega-rpg package.
MD5 checksums of the listed files are available in the original advisory.