Provide references for CVE-2012-4457.
Where can I find more information about CVE-2012-4457?
References are available at: http://secunia.com/advisories/50665, https://bugzilla.redhat.com/show_bug.cgi?id=861180, https://lists.launchpad.net/openstack/msg17035.html, https://exchange.xforce.ibmcloud.com/vulnerabilities/78947, http://www.openwall.com/lists/oss-security/2012/09/28/6, http://www.securityfocus.com/bid/55716, https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5, https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685.