Detections
Analytics

Mozilla Firefox ESR < 52.5.2 Private Mode Fingerprinting Vulnerability (macOS)

high Nessus Plugin ID 105211

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Synopsis

A web browser installed on the remote macOS or Mac OS X host is affected by a security bypass vulnerability.

Description

The version of Mozilla Firefox ESR installed on the remote macOS or Mac OS X host is prior to 52.5.2. It is, therefore, affected by a flaw related to handling Private Mode, web workers, and IndexedDB access that allows an attacker to cause persistent data to exist that can uniquely fingerprint a user.

Solution

Upgrade to Mozilla Firefox ESR version 52.5.2 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2017-28/

Plugin Details

Severity: High

ID: 105211

File Name: macosx_firefox_52_5_2_esr.nasl

Version: 1.5

Type: local

Agent: macosx

Published: 12/13/2017

Updated: 11/12/2019

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2017-7843

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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: 12/7/2017

Vulnerability Publication Date: 12/5/2017

Reference Information

CVE: CVE-2017-7843

BID: 102112

MFSA: 2017-28