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

Medium Nessus Plugin ID 105616


A web browser installed on the remote Windows host is affected by a speculative execution side-channel attack vulnerability.


The version of Mozilla Firefox installed on the remote Windows 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: 105616

File Name: mozilla_firefox_57_0_4.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows

Published: 2018/01/05

Updated: 2018/07/17

Dependencies: 20862

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.3

Temporal Score: 3.7

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

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

CVSS v3.0

Base Score: 4.3

Temporal Score: 4.1

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

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

Vulnerability Information

CPE: cpe:/a:mozilla:firefox

Required KB Items: Mozilla/Firefox/Version

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/01/04

Vulnerability Publication Date: 2018/01/04

Exploitable With


Reference Information

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

BID: 102376, 102371

MFSA: 2018-01

IAVA: 2018-A-0020