Operating System:

[Ubuntu]

Published:

14 February 2020

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0508
                    USN-4278-1: Firefox vulnerabilities
                             14 February 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Firefox
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Cross-site Scripting            -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-6801 CVE-2020-6800 CVE-2020-6798
                   CVE-2020-6796  

Reference:         ASB-2020.0037
                   ASB-2020.0036
                   ASB-2020.0035
                   ESB-2020.0493

Original Bulletin: 
   https://usn.ubuntu.com/4278-1/

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USN-4278-1: Firefox vulnerabilities
13 February 2020

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

  o Ubuntu 19.10
  o Ubuntu 18.04 LTS

Summary

Firefox could be made to crash or run programs as your login if it opened a
malicious website.

Software Description

  o firefox - Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were tricked in
to opening a specially crafted website, an attacker could potentially exploit
these to cause a denial of service, conduct cross-site scripting (XSS) attacks,
or execute arbitrary code.

Update instructions

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

Ubuntu 19.10
    firefox - 73.0+build3-0ubuntu0.19.10.1
Ubuntu 18.04 LTS
    firefox - 73.0+build3-0ubuntu0.18.04.1

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-2020-6796
  o CVE-2020-6798
  o CVE-2020-6800
  o CVE-2020-6801

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===========================================================================
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