Detections
Analytics
FFOX-00-000003 - Firefox must be configured to ask which certificate to present to a website when a certificate is required.
Information
When a website asks for a certificate for user authentication, Firefox must be configured to have the user choose which certificate to present. Websites within DoD require user authentication for access, which increases security for DoD information. Access will be denied to the user if certificate management is not configured.Solution
Windows group policy:1. Open the group policy editor tool with 'gpedit.msc'.
2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Mozilla\Firefox\
Policy Name: Preferences
Policy State: Enabled
Policy Value:
{
'security.default_personal_cert': {
'Value': 'Ask Every Time',
'Status': 'locked'
}
}
macOS 'plist' file:
Add the following:
<key>Preferences</key>
<dict>
<key>security.default_personal_cert</key>
<dict>
<key>Value</key>
<string>Ask Every Time</string>
<key>Status</key>
<string>locked</string>
</dict>
</dict>
Linux 'policies.json' file:
Add the following in the policies section:
'Preferences': {
'security.default_personal_cert': {
'Value': 'Ask Every Time',
'Status': 'locked'
}
}
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R1_STIG.zip
Item Details
Audit Name: DISA STIG Mozilla Firefox Windows v6r1
References: CAT|II, CCI|CCI-000187, Rule-ID|SV-251547r807113_rule, STIG-ID|FFOX-00-000003, Vuln-ID|V-251547
Plugin: Windows
Control ID: bbd5267309cbf041778273d85b346f79f72e909c70313018927576b483509f14