CVE-2012-5571Openstack keystone: openstack keystone: authorization bypass via improper ec2 token handling

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• 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 Vendor Advisory
• http://secunia.com/advisories/51436 Vendor Advisory
• http://www.openwall.com/lists/oss-security/2012/11/28/5 Patch
• http://www.openwall.com/lists/oss-security/2012/11/28/6 Patch
• http://www.securityfocus.com/bid/56726
• http://www.ubuntu.com/usn/USN-1641-1
• RHSA-2012:1556 vendor-advisory
• RHSA-2012:1557 vendor-advisory
• https://access.redhat.com/security/cve/CVE-2012-5571 vdb-entry
• https://bugs.launchpad.net/keystone/+bug/1064914 Patch
• https://exchange.xforce.ibmcloud.com/vulnerabilities/80333
• https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b Patch
• https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19 Patch
• https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653 Patch