Vulnerability Monitor

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CVE-2013-1664

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.

Security Impact Summary

CVE-2013-1664 is a security vulnerability that . Impacting 6 products from openstack, from openstack, from openstack and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-04-03T00:55:02.177

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openstack	cinder_folsom	-	Yes
Application	openstack	compute_\(nova\)_essex	-	Yes
Application	openstack	compute_\(nova\)_folsom	-	Yes
Application	openstack	folsom	-	Yes
Application	openstack	grizzly	-	Yes
Application	openstack	keystone_essex	-	Yes

References

http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html ([email protected])
http://bugs.python.org/issue17239 ([email protected])
http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html Vendor Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0657.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0658.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0670.html ([email protected])
http://ubuntu.com/usn/usn-1757-1 ([email protected])
http://www.openwall.com/lists/oss-security/2013/02/19/2 ([email protected])
http://www.openwall.com/lists/oss-security/2013/02/19/4 ([email protected])
https://bugs.launchpad.net/nova/+bug/1100282 Exploit ([email protected])
http://blog.python.org/2013/02/announcing-defusedxml-fixes-for-xml.html (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.python.org/issue17239 (af854a3a-2127-422b-91ae-364da2661108)
http://lists.openstack.org/pipermail/openstack-announce/2013-February/000078.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0657.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0658.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0670.html (af854a3a-2127-422b-91ae-364da2661108)
http://ubuntu.com/usn/usn-1757-1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/02/19/2 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/02/19/4 (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/nova/+bug/1100282 Exploit (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openstack's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.