K16442 : MIT Kerberos 5 vulnerability CVE-2014-9422

Security Advisory Description

The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial “kadmind” substring, as demonstrated by a “ka/x” principal. (CVE-2014-9422)
Impact
An authenticated remote attacker may be able to gain admin privilege escalation to an ARX system configured to perform Kerberos authentication.