OpenTTD: Format string vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200509-03 / openttd
Release Date	September 05, 2005
Latest Revision	May 22, 2006: 02
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
games-simulation/openttd	< 0.4.0.1-r1	>= 0.4.0.1-r1	All supported architectures

Related bugreports: #102631

Synopsis

OpenTTD is vulnerable to format string vulnerabilities which may result in remote execution of arbitrary code.

2. Impact Information

Background

OpenTTD is an open source clone of the simulation game "Transport Tycoon Deluxe" by Microprose.

Description

Alexey Dobriyan discovered several format string vulnerabilities in OpenTTD.

Impact

A remote attacker could exploit these vulnerabilities to crash the OpenTTD server or client and possibly execute arbitrary code with the rights of the user running OpenTTD.

3. Resolution Information

Workaround

There are no known workarounds at this time.

Resolution

All OpenTTD users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=games-simulation/openttd-0.4.0.1-r1"

4. References

Page updated September 05, 2005

Summary: This is a Gentoo Linux Security Advisory

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