The (1) OS-KSADM/services and (2) tenant APIs in OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-2 do not properly validate X-Auth-Token, which allow remote attackers to read the roles for an arbitrary user or get, create, or delete arbitrary services.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-4456
• openstack/keystone@14b136a
• openstack/keystone@1d146f5
• openstack/keystone@24df3ad
• openstack/keystone@8680549
• https://bugs.launchpad.net/keystone/+bug/1006815
• https://bugs.launchpad.net/keystone/+bug/1006822
• https://bugzilla.redhat.com/show_bug.cgi?id=861179
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78944
• https://lists.launchpad.net/openstack/msg17034.html
• http://www.openwall.com/lists/oss-security/2012/09/28/5
• https://access.redhat.com/errata/RHSA-2012:1378
• https://access.redhat.com/security/cve/CVE-2012-4456
• https://web.archive.org/web/20121114024512/http://www.securityfocus.com/bid/55716