Amazon Linux AMI : libxml2 (ALAS-2018-1072)

Medium Nessus Plugin ID 117344

Synopsis

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

Description

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 when parsing invalid XPath expression. Applications processing untrusted XSL format inputs with the use of libxml2 library may be vulnerable to denial of service attack due to crash of the application.(CVE-2018-14404)

Solution

Run 'yum update libxml2' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1072.html

Plugin Details

Severity: Medium

ID: 117344

File Name: ala_ALAS-2018-1072.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2018/09/07

Modified: 2018/09/19

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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-python26, p-cpe:/a:amazon:linux:libxml2-python27, 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: 2018/09/06

Reference Information

CVE: CVE-2018-14404

ALAS: 2018-1072