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Last updated: 5/27/2016 9:57:47 AM

CVE Publication rate: 21.13

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-1664

Original release date: 04/02/2013
Last revised: 05/14/2013


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html
External Source: CONFIRM
Name: https://bugs.launchpad.net/nova/+bug/1100282
External Source: MLIST
Name: [oss-security] 20130219 [OSSA 2013-004] Information leak and Denial of Service using XML entities (CVE-2013-1664, CVE-2013-1665)
External Source: REDHAT
Name: RHSA-2013:0658
External Source: REDHAT
Name: RHSA-2013:0657
External Source: CONFIRM
Name: http://bugs.python.org/issue17239
External Source: MLIST
Name: [openstack-announce] 20130219 [OSSA 2013-004] Information leak and Denial of Service using XML entities (CVE-2013-1664, CVE-2013-1665)
Type: Advisory
External Source: MLIST
Name: [oss-security] 20130219 REJECT CVE-2013-0278, CVE-2013-0279 and CVE-2013-0280
External Source: UBUNTU
Name: USN-1757-1
External Source: REDHAT
Name: RHSA-2013:0670

Technical Details

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