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Amazon Linux AMI : dhcp (ALAS-2012-31)

medium Nessus Plugin ID 69638

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Synopsis

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

Description

A denial of service flaw was found in the way the dhcpd daemon handled DHCP request packets when regular expression matching was used in '/etc/dhcp/dhcpd.conf'. A remote attacker could use this flaw to crash dhcpd. (CVE-2011-4539)

Solution

Run 'yum update dhcp' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2012-31.html

Plugin Details

Severity: Medium

ID: 69638

File Name: ala_ALAS-2012-31.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/4/2013

Updated: 4/18/2018

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:dhclient, p-cpe:/a:amazon:linux:dhcp, p-cpe:/a:amazon:linux:dhcp-common, p-cpe:/a:amazon:linux:dhcp-debuginfo, p-cpe:/a:amazon:linux:dhcp-devel, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 1/5/2012

Reference Information

CVE: CVE-2011-4539

ALAS: 2012-31

RHSA: 2011:1819