Finding ID | Version | Rule ID | IA Controls | Severity |
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V-73535 | WN16-CC-000200 | SV-88189r1_rule | Medium |
Description |
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Attackers may use fonts that include malicious code to compromise a system. This setting will prevent untrusted fonts, processed by the Graphics Device Interface (GDI), from loading if installed outside of the %windir%/Fonts directory. |
STIG | Date |
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Windows Server 2016 Security Technical Implementation Guide | 2017-05-18 |
Check Text ( C-73609r1_chk ) |
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If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows NT\MitigationOptions\ Value Name: MitigationOptions_FontBocking Type: REG_SZ Value: 1000000000000 (1 with 12 zeros) |
Fix Text (F-79977r1_fix) |
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Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Mitigation Options >> "Untrusted Font Blocking" to "Enabled" with "Block untrusted fonts and log events" selected in "Mitigation Options". |