High Threat Security Alert (A19-06-06): Vulnerability in Firefox

Description:

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

Reports indicate that the vulnerability (CVE-2019-11708) allows a remote attacker to bypass sandbox restrictions through specially crafted content. Users are advised to take immediate action to patch your affected systems to mitigate the elevated risk of cyber attacks.

Affected Systems:

• Firefox prior to version 67.0.4
• Firefox ESR prior to version 60.7.2

Impact:

Successful exploitation of the vulnerability could lead to sandbox escape on an affected system.  When combined with additional vulnerabilities, it could also lead to arbitrary code execution.

Recommendation:

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

• Firefox 67.0.4 for Windows, Macintosh and Linux
  https://www.mozilla.org/en-US/firefox/all/
  
  
• Firefox ESR 60.7.2 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/mfsa2019-19/
https://www.hkcert.org/my_url/en/alert/19062102
https://www.us-cert.gov/ncas/current-activity/2019/06/20/Mozilla-Releases-Security-Updates-Firefox-and-Firefox-ESR
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11708