RHEL 5 : krb5 (RHSA-2014:1255)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated krb5 packages that fix one security issue are now available
for Red Hat Enterprise Linux 5.

Red Hat Product Security has rated this update as having Moderate
security impact. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available from the
CVE link in the References section.

Kerberos is an authentication system which allows clients and services
to authenticate to each other with the help of a trusted third party,
a Kerberos Key Distribution Center (KDC).

A buffer overflow was found in the KADM5 administration server
(kadmind) when it was used with an LDAP back end for the KDC database.
A remote, authenticated attacker could potentially use this flaw to
execute arbitrary code on the system running kadmind. (CVE-2014-4345)

All krb5 users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
updated packages, the krb5kdc and kadmind daemons will be restarted
automatically.

See also :

https://www.redhat.com/security/data/cve/CVE-2014-4345.html
http://rhn.redhat.com/errata/RHSA-2014-1255.html

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 8.5
(CVSS2#AV:N/AC:M/Au:S/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 77741 ()

Bugtraq ID: 69168

CVE ID: CVE-2014-4345

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