This script is Copyright (C) 2013-2016 Tenable Network Security, Inc.
The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2010:0029 :
Updated krb5 packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 3, 4, and 5, and Red Hat
Enterprise Linux 4.7, 5.2, and 5.3 Extended Update Support.
This update has been rated as having critical security impact by the
Red Hat Security Response Team.
Kerberos is a network authentication system which allows clients and
servers to authenticate to each other using symmetric encryption and a
trusted third party, the Key Distribution Center (KDC).
Multiple integer underflow flaws, leading to heap-based corruption,
were found in the way the MIT Kerberos Key Distribution Center (KDC)
decrypted ciphertexts encrypted with the Advanced Encryption Standard
(AES) and ARCFOUR (RC4) encryption algorithms. If a remote KDC client
were able to provide a specially crafted AES- or RC4-encrypted
ciphertext or texts, it could potentially lead to either a denial of
service of the central KDC (KDC crash or abort upon processing the
crafted ciphertext), or arbitrary code execution with the privileges
of the KDC (i.e., root privileges). (CVE-2009-4212)
All krb5 users should upgrade to these updated packages, which contain
a backported patch to correct these issues. All running services using
the MIT Kerberos libraries must be restarted for the update to take
See also :
Update the affected krb5 packages.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.7
Public Exploit Available : false
Family: Oracle Linux Local Security Checks
Nessus Plugin ID: 67984 ()
Bugtraq ID: 37749
CVE ID: CVE-2009-4212
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