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Last updated: 10/25/2014 12:05:04 PM

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Vulnerability Summary for CVE-2012-3426

Original release date: 07/31/2012
Last revised: 09/07/2012
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (AV:N/AC:M/Au:S/C:P/I:P/A:N) (legend)
Impact Subscore: 4.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification

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External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/29e74e73a6e51cffc0371b32354558391826a4aa
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/996595
External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/a67b24878a6156eab17b9098fa649f0279256f5d
External Source: SECUNIA
Name: 50045
External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/628149b3dc6b58b91fd08e6ca8d91c728ccb8626
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/d9600434da14976463a0bd03abd8e0309f0db454
External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/ea03d05ed5de0c015042876100d37a6a14bf56de
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://github.com/openstack/keystone/commit/375838cfceb88cacc312ff6564e64eb18ee6a355
Type: Patch Information
External Source: SECUNIA
Name: 50494
External Source: CONFIRM
Name: https://launchpad.net/keystone/essex/2012.1.1/+download/keystone-2012.1.1.tar.gz
Type: Patch Information
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/998185
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/997194
External Source: MLIST
Name: [oss-security] 20120727 [OSSA 2012-010] Various Keystone token expiration issues (CVE-2012-3426)
Type: Patch Information
External Source: UBUNTU
Name: USN-1552-1

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)