National Cyber-Alert System
Vulnerability Summary for CVE-2012-4456
Original release date:10/09/2012
Last revised:10/10/2012
Source:
US-CERT/NIST
Overview
The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the roles for an arbitrary user or get, create, or delete arbitrary services.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: MLIST
Name: [openstack] 20120928 [OSSA 2012-015] Some actions in Keystone admin API do not validate token (CVE-2012-4456)
Type: Patch Information
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/1006822
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20120928 [OSSA 2012-015] Some actions in Keystone admin API do not validate token (CVE-2012-4456)
Type: Patch Information
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/868054992faa45d6f42d822bf1588cb88d7c9ccb
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/24df3adb3f50cbb5ada411bc67aba8a781e6a431
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/1d146f5c32e58a73a677d308370f147a3271c2cb
External Source: CONFIRM
Name: https://github.com/openstack/keystone/commit/14b136aed9d988f5a8f3e699bd4577c9b874d6c1
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=861179
External Source: CONFIRM
Name: https://bugs.launchpad.net/keystone/+bug/1006815
External Source: XF
Name: keystone-xauth-sec-bypass(78944)
External Source: BID
Name: 55716
External Source: SECUNIA
Name: 50665
Type: Advisory