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. (





.

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

References

CVE-2018-5124