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[ GLSA 200802-02 ] Doomsday: Multiple vulnerabilities
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Joined: 12 May 2004
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PostPosted: Wed Feb 06, 2008 11:26 pm    Post subject: [ GLSA 200802-02 ] Doomsday: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: Doomsday: Multiple vulnerabilities (GLSA 200802-02)
Severity: high
Exploitable: remote
Date: February 06, 2008
Updated: February 10, 2008
Bug(s): #190835
ID: 200802-02


Multiple vulnerabilities in Doomsday might allow remote execution of arbitrary code or a Denial of Service.


The Doomsday Engine (deng) is a modern gaming engine for popular ID games like Doom, Heretic and Hexen.

Affected Packages

Package: games-fps/doomsday
Vulnerable: <= 1.9.0_beta52
Architectures: All supported architectures


Luigi Auriemma discovered multiple buffer overflows in the D_NetPlayerEvent() function, the Msg_Write() function and the NetSv_ReadCommands() function. He also discovered errors when handling chat messages that are not NULL-terminated (CVE-2007-4642) or contain a short data length, triggering an integer underflow (CVE-2007-4643). Furthermore a format string vulnerability was discovered in the Cl_GetPackets() function when processing PSV_CONSOLE_TEXT messages (CVE-2007-4644).


A remote attacker could exploit these vulnerabilities to execute arbitrary code with the rights of the user running the Doomsday server or cause a Denial of Service by sending specially crafted messages to the server.


There is no known workaround at this time.


While some of these issues could be resolved in "games-fps/doomsday-1.9.0-beta5.2", the format string vulnerability (CVE-2007-4644) remains unfixed. We recommend that users unmerge Doomsday:
# emerge --unmerge games-fps/doomsday



Last edited by GLSA on Mon Feb 11, 2008 4:18 am; edited 1 time in total
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