CVE-2013-1664

Advisory

The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other products allow remote attackers to cause a denial of service (resource consumption and crash) via an XML Entity Expansion (XEE) attack.

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1664
• http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html
• http://www.openwall.com/lists/oss-security/2013/02/19/4
• https://bugs.launchpad.net/nova/+bug/1100282
• http://www.openwall.com/lists/oss-security/2013/02/19/2
• http://rhn.redhat.com/errata/RHSA-2013-0658.html
• http://rhn.redhat.com/errata/RHSA-2013-0657.html
• http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html
• http://bugs.python.org/issue17239
• http://ubuntu.com/usn/usn-1757-1
• http://rhn.redhat.com/errata/RHSA-2013-0670.html