RHEL 7 : libxslt (RHSA-2020:4005)

critical Nessus Plugin ID 143096

Synopsis

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

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4005 advisory.

- libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL (CVE-2019-11068)

- libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure (CVE-2019-18197)

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 libxslt, libxslt-devel and / or libxslt-python packages.

See Also

https://cwe.mitre.org/data/definitions/284.html

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

https://access.redhat.com/security/cve/CVE-2019-11068

https://access.redhat.com/security/cve/CVE-2019-18197

https://access.redhat.com/errata/RHSA-2020:4005

https://bugzilla.redhat.com/1709697

https://bugzilla.redhat.com/1770768

Plugin Details

Severity: Critical

ID: 143096

File Name: redhat-RHSA-2020-4005.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/19/2020

Updated: 10/12/2021

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

Risk Information

CVSS Score Source: CVE-2019-11068

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:libxslt, p-cpe:/a:redhat:enterprise_linux:libxslt-devel, p-cpe:/a:redhat:enterprise_linux:libxslt-python

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2020

Vulnerability Publication Date: 4/10/2019

Reference Information

CVE: CVE-2019-11068, CVE-2019-18197

RHSA: 2020:4005

CWE: 284, 416