Vulnerability Monitor

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CVE-2012-5571

OpenStack Keystone Essex (2012.1) and Folsom (2012.2) does not properly handle EC2 tokens when the user role has been removed from a tenant, which allows remote authenticated users to bypass intended authorization restrictions by leveraging a token for the removed user role.

Published

2012-12-18T01:55:03.570

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.5 (LOW)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
CWE-255

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openstack	essex	2012.1	Yes
Application	openstack	folsom	2012.2	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-1556.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2012-1557.html ([email protected])
http://secunia.com/advisories/51423 Vendor Advisory ([email protected])
http://secunia.com/advisories/51436 Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2012/11/28/5 Patch ([email protected])
http://www.openwall.com/lists/oss-security/2012/11/28/6 Patch ([email protected])
http://www.securityfocus.com/bid/56726 ([email protected])
http://www.ubuntu.com/usn/USN-1641-1 ([email protected])
https://bugs.launchpad.net/keystone/+bug/1064914 Patch ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/80333 ([email protected])
https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b Patch ([email protected])
https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19 Patch ([email protected])
https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653 Patch ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-1556.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2012-1557.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51423 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/51436 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/11/28/5 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2012/11/28/6 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/56726 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-1641-1 (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/keystone/+bug/1064914 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/80333 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653 Patch (af854a3a-2127-422b-91ae-364da2661108)