Date: Fri, 28 Sep 2012 16:50:47 -0400 From: Russell Bryant <rbryant@...hat.com> To: "openstack@...ts.launchpad.net" <openstack@...ts.launchpad.net>, oss-security@...ts.openwall.com, openstack-announce@...ts.openstack.org Subject: [OSSA 2012-016] Token authorization for a user in a disabled tenant is allowed (CVE-2012-4457) OpenStack Security Advisory: 2012-016 CVE: CVE-2012-4457 Date: September 28, 2012 Title: Token authorization for a user in a disabled tenant is allowed Impact: High Reporter: Rohit Karajgi (NTT Data) Affects: Essex (prior to 2012.1.2), Folsom (prior to folsom-3 development milestone) Description: Rohit Karajgi reported a vulnerability in Keystone. It was possible to get a token that is authorized for a disabled tenant. Once the token is established with authorization on the tenant, keystone would respond 200 OK to token validation requests from other OpenStack services, allowing the user to work with the tenant's resources. Folsom fix: (Included in 2012.2) http://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685 Essex fix: (Included in 2012.1.2) http://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5 References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=2012-4457 https://bugs.launchpad.net/keystone/+bug/988920 -- Russell Bryant OpenStack Vulnerability Management Team
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