Mozilla Firefox ESR < 78.5

high Nessus Plugin ID 142912

Synopsis

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

Description

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 78.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-51 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 ESR version 78.5 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2020-51/

Plugin Details

Severity: High

ID: 142912

File Name: macos_firefox_78_5_esr.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-2020-26968

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_esr

Required KB Items: MacOSX/Firefox/Version

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-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26966, CVE-2020-26968

MFSA: 2020-51

IAVA: 2020-A-0537-S