CVE-2012-3426

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-07-31 · updated 2026-06-16
Weakness: CWE-264

Description

OpenStack Keystone before 2012.1.1, as used in OpenStack Folsom before Folsom-1 and OpenStack Essex, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by (1) creating new tokens through token chaining, (2) leveraging possession of a token for a disabled user account, or (3) leveraging possession of a token for an account with a changed password.

Affected products

OpenStack Essex: all versions
OpenStack Horizon: folsom-1
OpenStack Keystone: 2012.1, 2012.1.1

References

http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa
http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355
http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626
http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454
http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de
http://secunia.com/advisories/50045
http://secunia.com/advisories/50494
http://www.openwall.com/lists/oss-security/2012/07/27/4
http://www.ubuntu.com/usn/USN-1552-1
https://bugs.launchpad.net/keystone/+bug/996595
https://bugs.launchpad.net/keystone/+bug/997194

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