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AUSCERT External Security Bulletin Redistribution
ESB-2019.3627
USN-4140-1: Firefox vulnerability
26 September 2019
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AusCERT Security Bulletin Summary
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Product: firefox
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11754
Reference: ASB-2019.0269
Original Bulletin:
https://usn.ubuntu.com/4140-1/
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USN-4140-1: Firefox vulnerability
25 September 2019
firefox vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Firefox could be made to hijack the mouse pointer it if opened a malicious
website.
Software Description
o 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
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
After a standard system update you need to restart Firefox to make all the
necessary changes.
References
o CVE-2019-11754
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