CVE-2012-4457

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-10-09 · updated 2026-06-16
Weakness: CWE-287

Description

OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.

Affected products

OpenStack Keystone: from 2012.1 before 2012.1.2; 2012.2-milestone1, 2012.2-milestone2 — fixed in 2012.1.2

How to fix

Upgrade to a fixed version: OpenStack Keystone 2012.1.2. Check the vendor advisory for mitigations.

References

http://secunia.com/advisories/50665
http://www.openwall.com/lists/oss-security/2012/09/28/6
http://www.securityfocus.com/bid/55716
https://bugzilla.redhat.com/show_bug.cgi?id=861180
https://exchange.xforce.ibmcloud.com/vulnerabilities/78947
https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685
https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5
https://lists.launchpad.net/openstack/msg17035.html
http://secunia.com/advisories/50665
http://www.openwall.com/lists/oss-security/2012/09/28/6
http://www.securityfocus.com/bid/55716
https://bugzilla.redhat.com/show_bug.cgi?id=861180

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