OpenTTD: Remote Denial of Service

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
games-simulation/openttd	< 0.4.8	>= 0.4.8	All supported architectures

Related bugreports: #131010

The OpenTTD server is vulnerable to a remote Denial of Service.

2. Impact Information

OpenTTD is a clone of Transport Tycoon Deluxe.

OpenTTD is vulnerable to a Denial of Service attack due to a flaw in the manner the game server handles errors in command packets.

An authenticated attacker can cause a Denial of Service by sending an invalid error number to a vulnerable OpenTTD server.

3. Resolution Information

There is no known workaround at this time.

All OpenTTD users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=games-simulation/openttd-0.4.8"

4. References

Page updated September 06, 2006

Summary: This is a Gentoo Linux Security Advisory

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