System Security Services Daemon (SSSD) before 1.9.4, when (1) creating, (2) copying, or (3) removing a user home directory tree, allows local users to create, modify, or delete arbitrary files via a symlink attack on another user's files.
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.9.4
https://fedorahosted.org/sssd/ticket/1782
https://bugzilla.redhat.com/show_bug.cgi?id=884254
http://www.securityfocus.com/bid/57539
http://secunia.com/advisories/52315
http://secunia.com/advisories/51928
http://rhn.redhat.com/errata/RHSA-2013-1319.html
http://rhn.redhat.com/errata/RHSA-2013-0508.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098613.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098434.html
http://git.fedorahosted.org/cgit/sssd.git/commit/?id=e864d914a44a37016736554e9257c06b18c57d37
http://git.fedorahosted.org/cgit/sssd.git/commit/?id=94cbf1cfb0f88c967f1fb0a4cf23723148868e4a
http://git.fedorahosted.org/cgit/sssd.git/commit/?id=3843b284cd3e8f88327772ebebc7249990fd87b9
http://git.fedorahosted.org/cgit/sssd.git/commit/?id=020bf88fd1c5bdac8fc671b37c7118f5378c7047