Xzabite dyndnsupdate: Multiple vulnerabilities
Gentoo Linux Security Advisory
||GLSA 200503-27 / dyndnsupdate
||March 21, 2005
||May 22, 2006: 02
All supported architectures
Xzabite's dyndnsupdate software suffers from multiple vulnerabilities,
potentially resulting in the remote execution of arbitrary code.
dyndnsupdate is a dyndns.org data updater written by Fredrik "xzabite"
Toby Dickenson discovered that dyndnsupdate suffers from multiple
A remote attacker, posing as a dyndns.org server, could execute
arbitrary code with the rights of the user running dyndnsupdate.
There is no known workaround at this time.
Currently, there is no released version of dyndnsupdate that contains a
fix for these issues. The original xzabite.org distribution site is
dead, the code contains several other problems and more secure
alternatives exist, such as the net-dns/ddclient package. Therefore,
the dyndnsupdate package has been hard-masked prior to complete removal
from Portage, and current users are advised to unmerge the package:
Code Listing 3.1: Resolution
# emerge --unmerge net-misc/dyndnsupdate