OpenStack Identity (Keystone) before 2014.1.5 and 2014.2.x before 2014.2.4 logs the backend_argument configuration option content, which allows remote authenticated users to obtain passwords and other sensitive backend information by reading the Keystone logs.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-3646
• https://bugs.launchpad.net/keystone/+bug/1443598
• http://lists.openstack.org/pipermail/openstack-announce/2015-May/000356.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
• https://web.archive.org/web/20210122154200/http://www.securityfocus.com/bid/74456