Provide references for CVE-2013-4427.
Where can I find more information about CVE-2013-4427?
References are available at: http://www.openwall.com/lists/oss-security/2013/09/25/16, https://github.com/leonnnn/pyxtrlock/blob/master/CHANGELOG, http://www.openwall.com/lists/oss-security/2013/10/16/8.