WebYaST in yast2-webclient in SUSE Linux Enterprise (SLE) 11 on the WebYaST appliance uses a fixed secret key that is embedded in the appliance's image, which allows remote attackers to spoof session cookies by leveraging knowledge of this key.
https://bugzilla.novell.com/show_bug.cgi?id=598834
https://bugzilla.novell.com/show_bug.cgi?id=591345
http://www.securityfocus.com/bid/42128
http://support.novell.com/security/cve/CVE-2010-1507.html
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html