CVE Database


Impact: Moderate
Public: 2013-02-19
Bugzilla: 912982: CVE-2013-1665 Python xml bindings: External entity expansion in Python XML libraries inflicts potential security flaws and 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 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.

Find out more about CVE-2013-1665 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: 5.8
Base Metrics: AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
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

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