Zend_XmlRpc in Zend Framework 1.x before 1.11.12 and 1.12.x before 1.12.0 does not properly handle SimpleXMLElement classes, which allows remote attackers to read arbitrary files or create TCP connections via an external entity reference in a DOCTYPE element in an XML-RPC request, aka an XML external entity (XXE) injection attack.
framework.zend.com/security/advisory/ZF2012-01
git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-34284
openwall.com/lists/oss-security/2013/03/25/2
www.debian.org/security/2012/dsa-2505
www.openwall.com/lists/oss-security/2012/06/26/2
www.openwall.com/lists/oss-security/2012/06/26/4
www.openwall.com/lists/oss-security/2012/06/27/2
www.securitytracker.com/id?1027208
lists.fedoraproject.org/pipermail/package-announce/2013-April/101310.html
lists.fedoraproject.org/pipermail/package-announce/2013-April/101358.html
moodle.org/mod/forum/discuss.php?d=225345
www.sec-consult.com/files/20120626-0_zend_framework_xxe_injection.txt