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AUSCERT External Security Bulletin Redistribution
ESB-2020.2404
USN-4423-1: Firefox vulnerability
15 July 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Firefox
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
Original Bulletin:
https://usn.ubuntu.com/4423-1/
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USN-4423-1: Firefox vulnerability
14 July 2020
firefox vulnerability
Releases
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Packages
o firefox - Mozilla Open Source web browser
Details
It was discovered that X-Frame-Options could be bypassed in some
circumstances. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to conduct
clickjacking attacks.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o firefox - 78.0.2+build2-0ubuntu0.20.04.1
Ubuntu 19.10
o firefox - 78.0.2+build2-0ubuntu0.19.10.1
Ubuntu 18.04
o firefox - 78.0.2+build2-0ubuntu0.18.04.1
Ubuntu 16.04
o firefox - 78.0.2+build2-0ubuntu0.16.04.1
After a standard system update you need to restart Firefox to make
all the necessary changes.
References
o https://launchpad.net/bugs/1887576
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The University of Queensland
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