RHEL 8 : firefox (RHSA-2020:5565)

high Nessus Plugin ID 144403
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:5565 advisory.

- chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)

- Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)

- Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)

- Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)

- Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)

- Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)

- Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)

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 firefox package.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/120.html

https://cwe.mitre.org/data/definitions/200.html

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

https://access.redhat.com/security/cve/CVE-2020-16042

https://access.redhat.com/security/cve/CVE-2020-26971

https://access.redhat.com/security/cve/CVE-2020-26973

https://access.redhat.com/security/cve/CVE-2020-26974

https://access.redhat.com/security/cve/CVE-2020-26978

https://access.redhat.com/security/cve/CVE-2020-35111

https://access.redhat.com/security/cve/CVE-2020-35113

https://access.redhat.com/errata/RHSA-2020:5565

https://bugzilla.redhat.com/1904515

https://bugzilla.redhat.com/1908022

https://bugzilla.redhat.com/1908023

https://bugzilla.redhat.com/1908024

https://bugzilla.redhat.com/1908025

https://bugzilla.redhat.com/1908027

https://bugzilla.redhat.com/1908029

Plugin Details

Severity: High

ID: 144403

File Name: redhat-RHSA-2020-5565.nasl

Version: 1.8

Type: local

Agent: unix

Published: 12/18/2020

Updated: 10/12/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-16042

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.0, p-cpe:/a:redhat:enterprise_linux:firefox

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: 12/16/2020

Vulnerability Publication Date: 12/2/2020

Reference Information

CVE: CVE-2020-16042, CVE-2020-26971, CVE-2020-26973, CVE-2020-26974, CVE-2020-26978, CVE-2020-35111, CVE-2020-35113

RHSA: 2020:5565

IAVA: 2020-A-0571-S, 2020-A-0575-S

CWE: 20, 120, 200, 416