Vulnerability Details CVE-2012-5571
A flaw was found in OpenStack Keystone. This vulnerability allows remote authenticated users to bypass intended authorization restrictions. This occurs because OpenStack Keystone does not properly handle EC2 (Elastic Compute Cloud) tokens when a user's role has been removed from a tenant. An attacker can leverage a token associated with a removed user role to gain unauthorized access.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 36.0%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 3.5
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html
- http://rhn.redhat.com/errata/RHSA-2012-1556.html
- http://rhn.redhat.com/errata/RHSA-2012-1557.html
- http://secunia.com/advisories/51423
- http://secunia.com/advisories/51436
- http://www.openwall.com/lists/oss-security/2012/11/28/5
- http://www.openwall.com/lists/oss-security/2012/11/28/6
- http://www.securityfocus.com/bid/56726
- http://www.ubuntu.com/usn/USN-1641-1
- https://access.redhat.com/security/cve/CVE-2012-5571
- https://bugs.launchpad.net/keystone/+bug/1064914
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80333
- https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b
- https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19
- https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653
- http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html
- http://rhn.redhat.com/errata/RHSA-2012-1556.html
- http://rhn.redhat.com/errata/RHSA-2012-1557.html
- http://secunia.com/advisories/51423
- http://secunia.com/advisories/51436
- http://www.openwall.com/lists/oss-security/2012/11/28/5
- http://www.openwall.com/lists/oss-security/2012/11/28/6
- http://www.securityfocus.com/bid/56726
- http://www.ubuntu.com/usn/USN-1641-1
- https://bugs.launchpad.net/keystone/+bug/1064914
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80333
- https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b
- https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19
- https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653