CVE-2014-2237 OpenStack Identity (Keystone) Trustee token revocations does not work with memcache backend

What is CVE-2014-2237?

CVE-2014-2237 is a medium-severity authentication bypass vulnerability in n/a, published on 1 Apr 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The memcache token backend in OpenStack Identity (Keystone) 2013.1 through 2.013.1.4, 2013.2 through 2013.2.2, and icehouse before icehouse-3, when issuing a trust token with impersonation enabled, does not include this token in the trustee's token-index-list, which prevents the token from being invalidated by bulk token revocation and allows the trustee to bypass intended access restrictions.

Weakness: CWE-264

Which versions are affected by CVE-2014-2237?

3 open source packages ship an affected version, including keystone. It affects 1 product.

Products include Openstack Keystone.

How do I fix CVE-2014-2237?

Upgrade keystone to 8.0.0a0 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2014-2237 being exploited?

There is no known exploitation of CVE-2014-2237 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2020-12690 Insufficient Session Expiration in OpenStack Keystone High 8.8
• CVE-2019-19687 OpenStack Keystone Credential Leakage High 8.8
• CVE-2026-43001 OpenStack Keystone has an Incorrect Authorization Issue High 7.9
• CVE-2014-2828 OpenStack Identity (Keystone) DoS through V3 API authentication chaining High 7.8
• CVE-2021-38155 OpenStack Keystone allows information disclosure during account locking High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-2237, GHSA-23x9-8hxr-978c, PYSEC-2014-105, RHSA-2014:0580.