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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2010-3691
• https://developer.jasig.org/source/changelog/jasigsvn?cs=21538
• https://forge.indepnet.net/projects/glpi/repository/revisions/12601
• https://issues.jasig.org/browse/PHPCAS-80
• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=495542#82
• http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050415.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050428.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049600.html
• http://lists.fedoraproject.org/pipermail/package-announce/2010-October/049602.html
• http://secunia.com/advisories/41878
• http://secunia.com/advisories/42149
• http://secunia.com/advisories/42184
• http://secunia.com/advisories/43427
• http://www.debian.org/security/2011/dsa-2172
• http://www.openwall.com/lists/oss-security/2010/09/29/6
• http://www.openwall.com/lists/oss-security/2010/10/01/2
• http://www.openwall.com/lists/oss-security/2010/10/01/5
• http://www.securityfocus.com/bid/43585
• http://www.vupen.com/english/advisories/2010/2705
• http://www.vupen.com/english/advisories/2010/2909
• http://www.vupen.com/english/advisories/2011/0456