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

high Nessus Plugin ID 117344

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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: High

ID: 117344

File Name: ala_ALAS-2018-1072.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/7/2018

Updated: 8/9/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-14404

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libxml2-devel, p-cpe:/a:amazon:linux:libxml2-debuginfo, p-cpe:/a:amazon:linux:libxml2-python27, p-cpe:/a:amazon:linux:libxml2, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:libxml2-python26, p-cpe:/a:amazon:linux:libxml2-static

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/6/2018

Reference Information

CVE: CVE-2018-14404

ALAS: 2018-1072