AIX NAS Advisory : nas_advisory2.asc

low Nessus Plugin ID 81022

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Synopsis

The remote AIX host has a version of NAS installed that is affected by an information disclosure vulnerability.

Description

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.

Solution

A fix is available and can be downloaded from the AIX website.

If the NAS fileset level is below 1.5.0.7, then install version 1.5.0.7.

If the NAS fileset level is at 1.6.0.0 through 1.6.0.1, then install version 1.6.0.2. 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 proceeding.

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

Plugin Details

Severity: Low

ID: 81022

File Name: aix_nas_advisory2.nasl

Version: 1.10

Type: local

Family: AIX Local Security Checks

Published: 1/27/2015

Updated: 4/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

Vector: CVSS2#AV:N/AC:H/Au:S/C:P/I:N/A:N

Vulnerability Information

CPE: cpe:/o:ibm:aix, cpe:/a:mit:kerberos

Required KB Items: Host/local_checks_enabled, Host/AIX/version, Host/AIX/lslpp

Exploit Ease: No known exploits are available

Patch Publication Date: 1/20/2015

Vulnerability Publication Date: 9/21/2014

Reference Information

CVE: CVE-2014-5351

BID: 70380

CWE: 415

Detections

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