Security Alert (A17-11-04): Multiple Vulnerabilities in Firefox

Description:

Mozilla has published security advisories to address multiple vulnerabilities found in Firefox. A remote attacker would entice a user running the vulnerable browser to open a web page with specially crafted content to exploit the vulnerabilities.

Affected Systems:

• Firefox prior to version 57
• Firefox ESR prior to version 52.5

Impact:

Successful exploitation of the vulnerabilities could lead to arbitrary code execution, cross-site scripting, privilege escalation, information disclosure, spoofing or application crash on an affected system.

Recommendation:

Mozilla has released new versions of the product to address the issues and they can be downloaded at the following URLs:

• Firefox 57 for Windows, Macintosh and Linux
  https://www.mozilla.org/en-US/firefox/all/
  
  
• Firefox ESR 52.5 for Windows, Macintosh and Linux
  https://www.mozilla.org/en-US/firefox/organizations/all/
  
  

Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

More Information:

https://www.mozilla.org/en-US/security/advisories/mfsa2017-24/
https://www.mozilla.org/en-US/security/advisories/mfsa2017-25/
https://www.hkcert.org/my_url/en/alert/17111504
https://www.us-cert.gov/ncas/current-activity/2017/11/14/Mozilla-Releases-Security-Updates
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7826 (to CVE-2017-7828)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7830 (to CVE-2017-7840)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7842