RHEL 8 : firefox (RHSA-2021:0289)

high Nessus Plugin ID 145506

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Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:0289 advisory.

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 78.7.0 ESR.

Security Fix(es):

* Mozilla: Cross-origin information leakage via redirected PDF requests (CVE-2021-23953)

* Mozilla: Type confusion when using logical assignment operators in JavaScript switch statements (CVE-2021-23954)

* Mozilla: Memory safety bugs fixed in Firefox 85 and Firefox ESR 78.7 (CVE-2021-23964)

* Mozilla: HTTPS pages could have been intercepted by a registered service worker when they should not have been (CVE-2020-26976)

* Mozilla: Use-after-poison for incorrectly redeclared JavaScript variables during GC (CVE-2021-23960)

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.

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 firefox package based on the guidance in RHSA-2021:0289.

Plugin Details

Severity: High

ID: 145506

File Name: redhat-RHSA-2021-0289.nasl

Version: 1.16

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/27/2021

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-23964

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, cpe:/o:redhat:rhel_eus:8.2

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: 1/27/2021

Vulnerability Publication Date: 1/7/2021

Reference Information

CVE: CVE-2020-26976, CVE-2021-23953, CVE-2021-23954, CVE-2021-23960, CVE-2021-23964

CWE: 120, 200, 626, 829, 843

IAVA: 2020-A-0575-S, 2021-A-0051-S

RHSA: 2021:0289

Detections

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