What changed in Mozilla Firefox STIG V5R2V5R2 changes

Mozilla Firefox STIG V5R2 (2021-07-23) replaced V5R1 (2021-01-22): 2 checks updated. It has 27 checks, against 27 in V5R1.

V5R2 checklistV5R1 checklist Compare V5R1 and V5R2 in STIG Compare

  • 0 added
  • 0 removed
  • 2 updated

Updated fields: Check text 1Fix text 1

Updated in V5R2 (2)

V-223167CAT IIExtensions install must be disabled.Check text

Check text

Open a browser window, type "about:config" in the address bar, then navigate to the setting for Preference Name "xpinstall.enabled" and set the value to "false" and locked. Criteria: If the value of "xpinstall.enabled" is "false", this is not a finding. If the value is locked, this is not a finding. If the SA can show that "DisableSystemAddonUpdate" policy is used instead, and set to "1", this is not a finding.

V-223167 in V5R2

V-223169CAT IIIFirefox Development Tools Must Be Disabled.Fix text

Fix text

Set the value of "devtools.policy.disabled" to "true" using the Mozilla.cfg file,. or the registry value of HKLM1Software1Policies1Mozilla1Firefox1DisableDeveloperTools to "1"

V-223169 in V5R2

How these changes are found

Checks are matched across the two releases by V-number. A check counts as updated when DISA gave it a new rule revision (the r number in its SV-…_rule id) and its title, severity, check text, fix text, discussion, CCIs or other fields changed — the same comparison STIG Compare makes. Added checks are new V-numbers; removed checks are V-numbers V5R2 no longer has.

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