osc before 0.134 might allow remote OBS repository servers or package maintainers to execute arbitrary commands via a crafted (1) build log or (2) build status that contains an escape sequence for a terminal emulator.
https://bugzilla.redhat.com/show_bug.cgi?id=798353
https://bugzilla.novell.com/show_bug.cgi?id=749335
http://www.openwall.com/lists/oss-security/2012/03/02/2
http://www.openwall.com/lists/oss-security/2012/02/28/9
http://www.openwall.com/lists/oss-security/2012/02/28/15
http://lists.opensuse.org/opensuse-updates/2012-03/msg00035.html