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Amazon Linux AMI : libxml2 (ALAS-2014-444)

medium Nessus Plugin ID 79293

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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 libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, would lead to excessive CPU consumption (denial of service) based on excessive entity substitutions, even if entity substitution was disabled, which is the parser default behavior. (CVE-2014-3660)

Solution

Run 'yum update libxml2' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2014-444.html

Plugin Details

Severity: Medium

ID: 79293

File Name: ala_ALAS-2014-444.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/18/2014

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

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:libxml2, p-cpe:/a:amazon:linux:libxml2-debuginfo, p-cpe:/a:amazon:linux:libxml2-devel, p-cpe:/a:amazon:linux:libxml2-python, p-cpe:/a:amazon:linux:libxml2-static, cpe:/o:amazon:linux

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

Patch Publication Date: 11/11/2014

Reference Information

CVE: CVE-2014-3660

ALAS: 2014-444

RHSA: 2014:1655