Kerberos 4 Realm Principle Impersonation

This script is Copyright (C) 2003-2013 Tenable Network Security, Inc.

Synopsis :

The remote host is using an authentication protocol with cryptographic

Description :

The remote host is running Kerberos IV.

It has been demonstrated that the Kerberos IV protocol has inherent
design flaws that make it insecure to use.

See also :

Solution :

Use Kerberos 5 instead. If you run Kerberos 5 with Kerberos IV
backward compatibility, make sure you upgrade to version 1.3.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.5
Public Exploit Available : false

Family: Misc.

Nessus Plugin ID: 11511 (kerberos4_crypto_weaknesses.nasl)

Bugtraq ID: 7113

CVE ID: CVE-2003-0138