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[ GLSA 200603-11 ] Freeciv: Denial of Service
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GLSA
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Joined: 12 May 2004
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PostPosted: Thu Mar 16, 2006 11:26 am    Post subject: [ GLSA 200603-11 ] Freeciv: Denial of Service Reply with quote

Gentoo Linux Security Advisory

Title: Freeciv: Denial of Service (GLSA 200603-11)
Severity: normal
Exploitable: remote
Date: March 16, 2006
Bug(s): #125304
ID: 200603-11

Synopsis

A memory allocation bug in Freeciv allows a remote attacker to perform a Denial of Service attack.

Background

Freeciv is an open source turn-based multiplayer strategy game, similar to the famous Civilization series.

Affected Packages

Package: games-strategy/freeciv
Vulnerable: < 2.0.8
Unaffected: >= 2.0.8
Architectures: All supported architectures


Description

Luigi Auriemma discovered that Freeciv could be tricked into the allocation of enormous chunks of memory when trying to uncompress malformed data packages, possibly leading to an out of memory condition which causes Freeciv to crash or freeze.

Impact

A remote attacker could exploit this issue to cause a Denial of Service by sending specially crafted data packages to the Freeciv game server.

Workaround

Play solo games or restrict your multiplayer games to trusted parties.

Resolution

All Freeciv users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=games-strategy/freeciv-2.0.8"


References

CVE-2006-0047
Original advisory


Last edited by GLSA on Sun May 07, 2006 5:00 pm; edited 1 time in total
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