Mozilla Firefox < 57.0.4 Speculative Execution Side-Channel Attack Vulnerability (Spectre) (macOS)

medium Nessus Plugin ID 105615


A web browser installed on the remote macOS or Mac OS X host is affected by a speculative execution side-channel attack vulnerability.


The version of Mozilla Firefox installed on the remote macOS or Mac OS X host is prior to 57.0.4. It is, therefore, vulnerable to a speculative execution side-channel attack. Code from a malicious web page could read data from other web sites or private data from the browser itself.


Upgrade to Mozilla Firefox version 57.0.4 or later.

See Also

Plugin Details

Severity: Medium

ID: 105615

File Name: macosx_firefox_57_0_4.nasl

Version: 1.7

Type: local

Agent: macosx

Published: 1/5/2018

Updated: 11/8/2019

Supported Sensors: Nessus Agent

Risk Information


Risk Factor: High

Score: 8.4


Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

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

CVSS Score Source: CVE-2017-5753


Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.4

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

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: 1/4/2018

Vulnerability Publication Date: 1/4/2018

Exploitable With


Reference Information

CVE: CVE-2017-5715, CVE-2017-5753

BID: 102371, 102376

MFSA: 2018-01

IAVA: 2018-A-0020