This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.
The remote AIX host has a version of NAS installed that is affected by
an information disclosure vulnerability.
The version of the Network Authentication Service (NAS) installed on
the remote AIX host is affected by a vulnerability related to
Kerberos 5 which allows authenticated users to retrieve current keys,
which can be used to forge tickets.
See also :
A fix is available and can be downloaded from the AIX website.
If the NAS fileset level is below 126.96.36.199, then install version
If the NAS fileset level is at 188.8.131.52 through 184.108.40.206, then install
version 220.127.116.11. The 1.6.0.X branch is a separate release branch for
NAS SPNEGO feature.
To extract the fixes from the tar file, use the command :
zcat NAS_1.X.0.X_aix_image.tar.Z | tar xvf -
IMPORTANT : If possible, it is recommended that a mksysb backup of the
system be created. Verify that it is both bootable and readable before
To preview the fix installation, use the command :
installp -a - fix_name -p all
To install the fix package, use the command :
installp -a - fix_name -X all
Risk factor :
Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.8
Public Exploit Available : true