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Vulnerability Summary for CVE-2012-5563

Original release date: 12/17/2012
Last revised: 08/22/2013


OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining. NOTE: this issue exists because of a CVE-2012-3426 regression.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 MEDIUM
Impact Subscore: 2.9
Exploitability Subscore: 8.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows unauthorized modification

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External Source: MLIST
Name: [oss-security] 20121128 [OSSA 2012-018] EC2-style credentials invalidation issue (CVE-2012-5571)
Type: Patch Information
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/38c7e46a640a94da4da89a39a5a1ea9c081f1eb5
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/1079216
External Source: XF
Name: folsom-tokens-security-bypass(80370)
External Source: REDHAT
Name: RHSA-2012:1557
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/f9d4766249a72d8f88d75dcf1575b28dd3496681
External Source: UBUNTU
Name: USN-1641-1
External Source: BID
Name: 56727
External Source: MLIST
Name: [oss-security] 20121128 [OSSA 2012-019] Extension of token validity through token chaining (CVE-2012-5563)
Type: Patch Information

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