RHEL 7 : libxml2 (RHSA-2020:1190)

high Nessus Plugin ID 135071

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Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1190 advisory.

The libxml2 library is a development toolbox providing the implementation of various XML standards.

Security Fix(es):

* libxml2: Use after free triggered by XPointer paths beginning with range-to (CVE-2016-5131)

* libxml2: Use after free in xmlXPathCompOpEvalPositionalPredicate() function in xpath.c (CVE-2017-15412)

* libxml2: DoS caused by incorrect error detection during XZ decompression (CVE-2015-8035)

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

* libxml2: Unrestricted memory usage in xz_head() function in xzlib.c (CVE-2017-18258)

* libxml2: Infinite loop caused by incorrect error detection during LZMA decompression (CVE-2018-14567)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.8 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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-2020:1190.

Plugin Details

Severity: High

ID: 135071

File Name: redhat-RHSA-2020-1190.nasl

Version: 1.12

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/1/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2017-15412

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libxml2-static, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:libxml2-devel, p-cpe:/a:redhat:enterprise_linux:libxml2, p-cpe:/a:redhat:enterprise_linux:libxml2-python

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: 3/31/2020

Vulnerability Publication Date: 11/2/2015

Reference Information

CVE: CVE-2015-8035, CVE-2016-5131, CVE-2017-15412, CVE-2017-18258, CVE-2018-14404, CVE-2018-14567

BID: 77390, 92053, 102098, 105198

CWE: 252, 400, 476

IAVB: 2016-B-0083-S, 2016-B-0113-S, 2017-B-0169-S

RHSA: 2020:1190

Detections

Analytics