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Message-ID: <5012B31D.1060805@openstack.org>
Date: Fri, 27 Jul 2012 17:26:21 +0200
From: Thierry Carrez <thierry@...nstack.org>
To: "openstack@...ts.launchpad.net" <openstack@...ts.launchpad.net>,
oss-security@...ts.openwall.com, openstack-announce@...ts.openstack.org
Subject: [OSSA 2012-010] Various Keystone token expiration issues (CVE-2012-3426)
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OpenStack Security Advisory: 2012-010
CVE: CVE-2012-3426
Date: July 27, 2012
Title: Various Keystone token expiration issues
Impact: Medium
Reporter: Derek Higgins
Products: Keystone
Affects: Essex, Folsom
Description:
Derek Higgins reported various issues affecting Keystone token
expiration. A token expiration date can be circumvented by
continuously creating new tokens before the old one has expired.
Existing tokens also remain valid after a user account is disabled or
after an account password changed. An authenticated and authorized
user could potentially leverage those vulnerabilities to extend his
access beyond the account owner expectations.
Folsom fixes:
http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355
http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626
http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
Essex fixes:
http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa
http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454
http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de
References:
https://bugs.launchpad.net/keystone/+bug/998185
https://bugs.launchpad.net/keystone/+bug/997194
https://bugs.launchpad.net/keystone/+bug/996595
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2012-3426
Notes:
Those fixes were already included in Keystone 2012.1.1 stable update
and the Folsom-1 development milestone.
- --
Thierry Carrez (ttx)
OpenStack Vulnerability Management Team
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