ESB-2020.3693 – [Ubuntu] Firefox: Multiple vulnerabilities

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3693
                    USN-4599-2: Firefox vulnerabilities
                              27 October 2020

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

Product:           Firefox
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
                   Provide Misleading Information  -- Remote with User Interaction
                   Reduced Security                -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-15969 CVE-2020-15684 CVE-2020-15683
                   CVE-2020-15682 CVE-2020-15681 CVE-2020-15680
                   CVE-2020-15254  

Reference:         ESB-2020.3666
                   ESB-2020.3629
                   ESB-2020.3612

Original Bulletin: 
   https://usn.ubuntu.com/4599-2/

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USN-4599-2: Firefox vulnerabilities
26 October 2020

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

  o Ubuntu 16.04 LTS

Packages

  o firefox - Mozilla Open Source web browser

Details

USN-4599-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Ubuntu 16.04 LTS.

Original advisory 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, spoof the prompt
for opening an external application, obtain sensitive information, or execute
arbitrary code.

Update instructions

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

Ubuntu 16.04

  o firefox - 82.0+build2-0ubuntu0.16.04.5

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

References

  o CVE-2020-15680
  o CVE-2020-15681
  o CVE-2020-15682
  o CVE-2020-15683
  o CVE-2020-15254
  o CVE-2020-15969
  o CVE-2020-15684

Related notices

  o USN-4599-1 : firefox

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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