Detections
Analytics

Mozilla Firefox ESR < 45.7

critical Nessus Plugin ID 96775

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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 45.7. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2017-02 advisory.

 - A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. (CVE-2017-5396)

 - JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. (CVE-2017-5375)

 - Use-after-free while manipulating XSL in XSLT documents (CVE-2017-5376)

 - Hashed codes of JavaScript objects are shared between pages. This allows for pointer leaks because an objects address can be discovered through hash codes, and also allows for data leakage of an objects content using these hash codes. (CVE-2017-5378)

 - A potential use-after-free found through fuzzing during DOM manipulation of SVG content. (CVE-2017-5380)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Mozilla Firefox ESR version 45.7 or later.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2017-02/

Plugin Details

Severity: Critical

ID: 96775

File Name: mozilla_firefox_45_7_esr.nasl

Version: 1.9

Type: local

Agent: windows

Family: Windows

Published: 1/25/2017

Updated: 11/18/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2017-5396

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

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

Vulnerability Information

CPE: cpe:/a:mozilla:firefox_esr

Required KB Items: installed_sw/Mozilla Firefox ESR

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/24/2017

Vulnerability Publication Date: 1/24/2017

Reference Information

CVE: CVE-2017-5373, CVE-2017-5375, CVE-2017-5376, CVE-2017-5378, CVE-2017-5380, CVE-2017-5383, CVE-2017-5386, CVE-2017-5390, CVE-2017-5396

BID: 95758, 95769, 95762, 95757

MFSA: 2017-02