Mozilla Firefox ESR < 68.11

High Nessus Plugin ID 139062

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 6.7

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 68.11. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-31 advisory.

- Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to potentially exploit heap corruption via a crafted SCTP stream. (CVE-2020-6514)

- Use after free in ANGLE in Google Chrome prior to 81.0.4044.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
(CVE-2020-6463)

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 68.11 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2020-31/

Plugin Details

Severity: High

ID: 139062

File Name: macos_firefox_68_11_esr.nasl

Version: 1.5

Type: local

Agent: macosx

Published: 2020/07/29

Updated: 2020/08/28

Dependencies: 55417

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-15659

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: cpe:/a:mozilla:firefox_esr

Required KB Items: MacOSX/Firefox/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/07/28

Vulnerability Publication Date: 2020/05/21

Reference Information

CVE: CVE-2020-6463, CVE-2020-6514, CVE-2020-15649, CVE-2020-15650, CVE-2020-15652, CVE-2020-15659

MFSA: 2020-31

IAVA: 2020-A-0344-S