ESB-2018.0313 - [Ubuntu] Mozilla firefox: Execute arbitrary code/commands - Remote with user interaction 2018-02-01

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0313
                           Firefox vulnerability
                              1 February 2018

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

Product:           Mozilla firefox
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5124  

Reference:         ASB-2018.0039

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3552-1

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USN-3552-1: Firefox vulnerability
Ubuntu Security Notice USN-3552-1

31st January, 2018

firefox vulnerability

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

    Ubuntu 17.10
    Ubuntu 16.04 LTS
    Ubuntu 14.04 LTS


Summary

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


Software description

    firefox - Mozilla Open Source web browser


Details

Johann Hofmann discovered that HTML fragments created for
chrome-privileged documents were not properly sanitized. An attacker
could exploit this to execute arbitrary code. (CVE-2018-5124)
Update instructions

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

Ubuntu 17.10:
    firefox 58.0.1+build1-0ubuntu0.17.10.1
Ubuntu 16.04 LTS:
    firefox 58.0.1+build1-0ubuntu0.16.04.1
Ubuntu 14.04 LTS:
    firefox 58.0.1+build1-0ubuntu0.14.04.1

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

CVE-2018-5124

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