N/A - USN-4140-1

Executive Summary

Summary
Title	Firefox vulnerability

Informations
Name	USN-4140-1	First vendor Publication	2019-09-25
Vendor	Ubuntu	Last vendor Modification	2019-09-25
Severity (Vendor)	N/A	Revision	N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score	NA
Base Score	NA	Environmental Score	NA
impact SubScore	NA	Temporal Score	NA
Exploitabality Sub Score	NA

Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score	N/A	Attack Range	N/A
Cvss Impact Score	N/A	Attack Complexity	N/A
Cvss Expoit Score	N/A	Authentication	N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Firefox could be made to hijack the mouse pointer it if opened a malicious website.

Software Description: - firefox: Mozilla Open Source web browser

Details:

It was discovered that no user notification was given when pointer lock is enabled. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to hijack the mouse pointer and confuse users.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04:
firefox 69.0.1+build1-0ubuntu0.19.04.1

Ubuntu 18.04 LTS:
firefox 69.0.1+build1-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
firefox 69.0.1+build1-0ubuntu0.16.04.1

After a standard system update you need to restart Firefox to make all the necessary changes.

References:
https://usn.ubuntu.com/4140-1
CVE-2019-11754

Package Information:

https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.19.04.1

https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.18.04.1

https://launchpad.net/ubuntu/+source/firefox/69.0.1+build1-0ubuntu0.16.04.1