Doomsday: Format string vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200604-05 / doomsday
Release Date	April 06, 2006
Latest Revision	June 15, 2006: 02
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
games-fps/doomsday	<= 1.9.0_beta4	>= 1.9.0_beta4	All supported architectures

Related bugreports: #128690

Synopsis

Format string vulnerabilities in Doomsday may lead to the execution of arbitrary code.

2. Impact Information

Background

Doomsday is a modern gaming engine for popular ID games like Doom, Heretic and Hexen.

Description

Luigi Auriemma discovered that Doomsday incorrectly implements formatted printing.

Impact

A remote attacker could exploit these vulnerabilities to execute arbitrary code with the rights of the user running the Doomsday server or client by sending specially crafted strings.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Doomsday users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=games-fps/doomsday-1.9.0_beta4"

4. References

Updated April 06, 2006

Summary: This is a Gentoo Linux Security Advisory

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