RHEL 8 : libxslt (RHSA-2020:4464)

critical Nessus Plugin ID 142378

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4464 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL libxslt package based on the guidance in RHSA-2020:4464.

See Also

http://www.nessus.org/u?410ff8fa

http://www.nessus.org/u?b7e37d18

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

https://access.redhat.com/errata/RHSA-2020:4464

https://bugzilla.redhat.com/show_bug.cgi?id=1709697

https://bugzilla.redhat.com/show_bug.cgi?id=1770768

Plugin Details

Severity: Critical

ID: 142378

File Name: redhat-RHSA-2020-4464.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/4/2020

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-11068

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

Vulnerability Information

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

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: 11/4/2020

Vulnerability Publication Date: 4/10/2019

Reference Information

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

CWE: 284, 416

RHSA: 2020:4464