Mozilla Firefox < 83.0

high Nessus Plugin ID 142911

Synopsis

A web browser installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.

Description

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 83.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-50 advisory.

- Heap buffer overflow in Freetype in Google Chrome prior to 86.0.4240.111 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (CVE-2020-15999)

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

Solution

Upgrade to Mozilla Firefox version 83.0 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/

Plugin Details

Severity: High

ID: 142911

File Name: macos_firefox_83_0.nasl

Version: 1.9

Type: local

Agent: macosx

Published: 11/17/2020

Updated: 11/30/2021

Supported Sensors: Nessus Agent

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

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

CVSS Score Source: CVE-2020-26969

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Required KB Items: MacOSX/Firefox/Installed

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/17/2020

Vulnerability Publication Date: 10/20/2020

CISA Known Exploited Dates: 11/17/2021

Reference Information

CVE: CVE-2020-15999, CVE-2020-16012, CVE-2020-26951, CVE-2020-26952, CVE-2020-26953, CVE-2020-26954, CVE-2020-26955, CVE-2020-26956, CVE-2020-26957, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26962, CVE-2020-26963, CVE-2020-26964, CVE-2020-26965, CVE-2020-26966, CVE-2020-26967, CVE-2020-26968, CVE-2020-26969

MFSA: 2020-50

IAVA: 2020-A-0537-S