FFOX-00-000005 - Firefox must be configured to not automatically update installed add-ons and plugins.

Information

Set this to false to disable checking for updated versions of the Extensions/Themes. Automatic updates from untrusted sites puts the enclave at risk of attack and may override security settings.

Solution

Windows group policy:
1. Open the group policy editor tool with 'gpedit.msc'.
2. Navigate to Policy Path: Computer ConfigurationAdministrative TemplatesMozillaFirefoxExtensions
Policy Name: Extension Update
Policy State: Disabled

macOS 'plist' file:
Add the following:
<key>ExtensionUpdate</key>
<false/>

Linux 'policies.json' file:
Add the following in the policies section:
'ExtensionUpdate': false

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R5_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7a., CAT|II, CCI|CCI-000381, Rule-ID|SV-251549r879587_rule, STIG-ID|FFOX-00-000005, Vuln-ID|V-251549

Plugin: Unix

Control ID: 96d7930a25fa6e2f745bca8b4c47c2105fee9726d2aae0361347715ef8adea81