The Simple Access Provider in System Security Services Daemon (SSSD) 1.9.0 through 1.9.4, when the Active Directory provider is used, does not properly enforce the simple_deny_groups option, which allows remote authenticated users to bypass intended access restrictions.
https://lists.fedorahosted.org/pipermail/sssd-devel/2013-March/014066.html
http://www.securityfocus.com/bid/58593
http://securitytracker.com/id?1028317
http://secunia.com/advisories/52722
http://secunia.com/advisories/52704
http://rhn.redhat.com/errata/RHSA-2013-0663.html
http://lists.opensuse.org/opensuse-updates/2013-03/msg00115.html
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=c0bca1722d6f9dfb654ad78397be70f79ff39af1
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=b63830b142053f99bfe954d4be5a2b0f68ce3a93
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=8b8019fe3dd1564fba657e219ec20ff816c7ffdb
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=7619be9f6bf649665fcbeee9e6b120f9f9cba2a5
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=754b09b5444e6da88ed58d6deaed8b815e268b6b
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=6837eee3f7f81c0ee454d3718d67d7f3cc6b48ef
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=6569d57e3bc168e6e83d70333b48c5cb43aa04c4
http://git.fedorahosted.org/cgit/sssd.git/patch/?id=26590d31f492dbbd36be6d0bde46a4bd3b221edb