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CVE-2013-4294

5.0 · MEDIUM

The (1) mamcache and (2) KVS token backends in OpenStack Identity (Keystone) Folsom 2012.2.x and Grizzly before 2013.1.4 do not properly compare the PKI token revocation list with PKI tokens, which…

Published Sep 23, 2013openstackCWE-264EPSS 2.70%

Overview

CVE-2013-4294 is a medium-severity vulnerability affecting openstack keystone. It was published on September 23, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The (1) mamcache and (2) KVS token backends in OpenStack Identity (Keystone) Folsom 2012.2.x and Grizzly before 2013.1.4 do not properly compare the PKI token revocation list with PKI tokens, which allow remote attackers to bypass intended access restrictions via a revoked PKI token.

Remediation

Check the references section for vendor advisories and patches from openstack. Update keystone to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/97237Refrhn.redhat.com/errata/RHSA-2013-1285.htmlRefseclists.org/oss-sec/2013/q3/586Refsecunia.com/advisories/54706Refwww.ubuntu.com/usn/USN-2002-1Refbugs.launchpad.net/keystone/+bug/1202952Refosvdb.org/97237Refrhn.redhat.com/errata/RHSA-2013-1285.htmlRefseclists.org/oss-sec/2013/q3/586Refsecunia.com/advisories/54706

How CyberStrike helps

Frequently asked questions

What is CVE-2013-4294?

CVE-2013-4294 is a medium-severity vulnerability affecting openstack keystone. It was published on September 23, 2013 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2013-4294?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-4294?

Check the references section for vendor advisories and patches from openstack. Update keystone to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-4294?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-4294 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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