CVE Database


Impact: Moderate
Public: 2013-02-19
Bugzilla: 913808: CVE-2013-1664 Python xml bindings: Internal entity expansion in Python XML libraries inflicts DoS vulnerabilities


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2013-1664 from the MITRE CVE dictionary and NIST NVD.


This issue affects the versions of python as shipped with Red Hat Enterprise Linux 5, 6 and 7. Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
OpenStack Folsom (Django14) RHSA-2013:0670 March 21, 2013
OpenStack Folsom (openstack-cinder) RHSA-2013:0658 March 21, 2013
OpenStack Folsom (openstack-keystone) RHSA-2013:0596 March 05, 2013
OpenStack Folsom (openstack-nova) RHSA-2013:0657 March 21, 2013

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.