PGTStorage/pgt-file.php in phpCAS before 1.1.3, when proxy mode is enabled, allows local users to overwrite arbitrary files via a symlink attack on an unspecified file.
https://issues.jasig.org/browse/PHPCAS-80
https://forge.indepnet.net/projects/glpi/repository/revisions/12601
https://developer.jasig.org/source/changelog/jasigsvn?cs=21538
http://www.vupen.com/english/advisories/2011/0456
http://www.vupen.com/english/advisories/2010/2909
http://www.vupen.com/english/advisories/2010/2705
http://www.securityfocus.com/bid/43585
http://www.openwall.com/lists/oss-security/2010/10/01/5
http://www.openwall.com/lists/oss-security/2010/10/01/2
http://www.openwall.com/lists/oss-security/2010/09/29/6
http://www.debian.org/security/2011/dsa-2172
http://secunia.com/advisories/43427
http://secunia.com/advisories/42184
http://secunia.com/advisories/42149
http://secunia.com/advisories/41878
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049602.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049600.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050428.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050415.html