CentOS 7 : libxml2 (CESA-2021:3810)

critical Nessus Plugin ID 155543

Synopsis

The remote CentOS Linux host is missing a security update.

Description

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:3810 advisory.

- libxml2: Use after free via namespace node in XPointer ranges (CVE-2016-4658)

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

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?fe8fe227

https://cwe.mitre.org/data/definitions/416.html

Plugin Details

Severity: Critical

ID: 155543

File Name: centos_RHSA-2021-3810.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/17/2021

Updated: 11/17/2021

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

Risk Information

CVSS Score Source: CVE-2016-4658

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/17/2021

Vulnerability Publication Date: 9/7/2016

Reference Information

CVE: CVE-2016-4658

RHSA: 2021:3810

CWE: 416