Amazon Linux AMI : dnsmasq Denial of Service (ALAS-2013-161)

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


Synopsis :

The remote Amazon Linux AMI host is missing a security update.

Description :

It was discovered that dnsmasq, when used in combination with certain
libvirtd configurations, could incorrectly process network packets
from network interfaces that were intended to be prohibited. A remote,
unauthenticated attacker could exploit this flaw to cause a denial of
service via DNS amplification attacks. (CVE-2012-3411)

See also :

http://www.nessus.org/u?7b4c3b67

Solution :

Run 'yum update dnsmasq' to update your system.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 69720 ()

Bugtraq ID:

CVE ID: CVE-2012-3411