RHEL 8 : libxml2 (RHSA-2020:1827)

high Nessus Plugin ID 143009

Synopsis

The remote Red Hat host is missing one or more security updates for libxml2.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1827 advisory.

- libxml2: infinite loop in xz_decomp function in xzlib.c (CVE-2018-9251)

- libxml2: NULL pointer dereference in xmlXPathCompOpEval() function in xpath.c (CVE-2018-14404)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libxml2 package based on the guidance in RHSA-2020:1827.

See Also

http://www.nessus.org/u?2166d176

http://www.nessus.org/u?dd7b3f20

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2020:1827

https://bugzilla.redhat.com/show_bug.cgi?id=1565318

https://bugzilla.redhat.com/show_bug.cgi?id=1595985

Plugin Details

Severity: High

ID: 143009

File Name: redhat-RHSA-2020-1827.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/18/2020

Updated: 4/28/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:libxml2, p-cpe:/a:redhat:enterprise_linux:libxml2-devel, p-cpe:/a:redhat:enterprise_linux:python3-libxml2

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/28/2020

Vulnerability Publication Date: 4/4/2018

Reference Information

CVE: CVE-2018-14404, CVE-2018-9251

CWE: 476, 835

RHSA: 2020:1827