Technical Description

Multiple vulnerabilities have been identified in Alien Arena, which could be exploited by remote attackers to cause a denial of service or take complete control of an affected system.

The first issue is caused by a format string error in the "safe_bprintf()" [game/acesrc/acebot_cmds.c] function when processing user-supplied nicknames, which could be exploited by remote unauthenticated attackers to crash an affected application or execute arbitrary code.

The second vulnerability is caused by an error when processing "client_connect" commands, which could be exploited by remote attackers to disconnect arbitrary clients, leading to a denial of service condition.

Affected Products

Alien Arena 2007 version 6.10 and prior

Solution

VUPEN Security is not aware of any vendor-supplied patch.

References

http://www.vupen.com/english/advisories/2007/3169
http://aluigi.altervista.org/adv/aa2k7x-adv.txt

Credits

Vulnerabilities reported by Luigi Auriemma.

ChangeLog

2007-09-17 : Initial release

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