CVE-2012-5571

OpenStack Keystone Essex/Folsom - Auth Bypass

Title source: llm

Description

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.

References (14)

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2012-1556.html

[Vendor Advisory] http://rhn.redhat.com/errata/RHSA-2012-1557.html

[Vendor Advisory] http://secunia.com/advisories/51423

[Vendor Advisory] http://secunia.com/advisories/51436

[Patch] http://www.openwall.com/lists/oss-security/2012/11/28/5

[Patch] http://www.openwall.com/lists/oss-security/2012/11/28/6

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/56726

[Vendor Advisory] http://www.ubuntu.com/usn/USN-1641-1

[Patch] https://bugs.launchpad.net/keystone/+bug/1064914

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/80333

[Patch] https://github.com/openstack/keystone/commit/37308dd4f3e33f7bd0f71d83fd51734d1870713b

[Patch] https://github.com/openstack/keystone/commit/8735009dc5b895db265a1cd573f39f4acfca2a19

[Patch] https://github.com/openstack/keystone/commit/9d68b40cb9ea818c48152e6c712ff41586ad9653

[Mailing List, Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2012-December/094286.html

Scores

EPSS 0.0017

EPSS Percentile 38.5%

Classification

CWE

CWE-255

Status draft

Affected Products (4)

openstack/essex

openstack/folsom

pypi/Keystone < 8.0.0a0PyPI

pypi/keystone PyPI

Timeline

Published Dec 18, 2012

Tracked Since Feb 18, 2026