Mozilla Firefox ESR < 115.3.1

high Nessus Plugin ID 182133

Synopsis

A web browser installed on the remote Windows host is affected by a vulnerability.

Description

The version of Firefox ESR installed on the remote Windows host is prior to 115.3.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2023-44 advisory.

- Specific handling of an attacker-controlled VP8 media stream could lead to a heap buffer overflow in the content process. We are aware of this issue being exploited in other products in the wild. (CVE-2023-5217)

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 115.3.1 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/

Plugin Details

Severity: High

ID: 182133

File Name: mozilla_firefox_115_3_1_esr.nasl

Version: 1.4

Type: local

Agent: windows

Family: Windows

Published: 9/28/2023

Updated: 11/1/2023

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2023-5217

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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: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: 9/28/2023

Vulnerability Publication Date: 9/27/2023

CISA Known Exploited Vulnerability Due Dates: 10/23/2023

Reference Information

CVE: CVE-2023-5217

IAVA: 2023-A-0522-S