Details

Javascript can initiate and interact with the Plug-ins installed in Firefox.

This may reduce a malicious script’s ability to exploit vulnerabilities in plug-ins or abuse plug-in features.

Solution

Perform the following procedure:

* Open the mozilla.cfg file in the installation directory with a text editor

* Add the following lines to mozilla.cfg:

lockPref(“security.xpconnect.plugin.unrestricted”, false);

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/1158

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-7b.

Source

• Tenable.com/audits