MitreCVELIST:CVE-2013-1665CVE-2013-1665
The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex and Folsom, Django, and possibly other products allow remote attackers to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, aka an XML External Entity (XXE) attack.
References
blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html
bugs.python.org/issue17239
lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html
rhn.redhat.com/errata/RHSA-2013-0657.html
rhn.redhat.com/errata/RHSA-2013-0658.html
rhn.redhat.com/errata/RHSA-2013-0670.html
ubuntu.com/usn/usn-1757-1
www.debian.org/security/2013/dsa-2634
www.openwall.com/lists/oss-security/2013/02/19/2
www.openwall.com/lists/oss-security/2013/02/19/4
bugs.launchpad.net/keystone/+bug/1100279
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