Mozilla Firefox ESR < 91.6.1

critical Nessus Plugin ID 158657

Language:

Synopsis

A web browser installed on the remote Windows host is affected by multiple vulnerabilities.

Description

The version of Firefox ESR installed on the remote Windows host is prior to 91.6.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2022-09 advisory.

- Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. (CVE-2022-26485)

- An unexpected message in the WebGPU IPC framework could lead to a use-after-free and exploitable sandbox escape. We have had reports of attacks in the wild abusing this flaw. (CVE-2022-26486)

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 91.6.1 or later.

Plugin Details

Severity: Critical

ID: 158657

File Name: mozilla_firefox_91_6_1_esr.nasl

Version: 1.8

Type: local

Agent: windows

Family: Windows

Published: 3/7/2022

Updated: 4/25/2023

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

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

CVSS Score Source: CVE-2022-26486

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.9

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

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:mozilla:firefox_esr

Required KB Items: Mozilla/Firefox/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/5/2022

Vulnerability Publication Date: 3/5/2022

CISA Known Exploited Vulnerability Due Dates: 3/21/2022

Reference Information

CVE: CVE-2022-26485, CVE-2022-26486

IAVA: 2022-A-0103-S

Detections

Analytics