CVE-2014-5251 OpenStack Identity (Keystone) Multiple vulnerabilities in revocation events

What is CVE-2014-5251?

CVE-2014-5251 is a medium-severity authentication bypass vulnerability in Canonical Ubuntu Linux, published on 25 Aug 2014. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The MySQL token driver in OpenStack Identity (Keystone) 2014.1.x before 2014.1.2.1 and Juno before Juno-3 stores timestamps with the incorrect precision, which causes the expiration comparison for tokens to fail and allows remote authenticated users to retain access via an expired token.

Weakness: CWE-255

Which versions are affected by CVE-2014-5251?

3 open source packages ship an affected version, including keystone. It affects 2 products.

Products include Canonical Ubuntu Linux, Openstack Keystone.

How do I fix CVE-2014-5251?

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-2014-5251 being exploited?

There is no known exploitation of CVE-2014-5251 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2014-5251, GHSA-gmvp-5rf9-mxcm, PYSEC-2014-107, UBUNTU-CVE-2014-5251.