STIGQter: STIG Summary: Microsoft Office 365 ProPlus Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

Internet must not be included in Safe Zone for picture download in Outlook.

DISA Rule

SV-223354r508019_rule

Vulnerability Number

V-223354

Group Title

SRG-APP-000516

Rule Version

O365-OU-000009

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Automatic Picture Download Settings >> Include Internet in Safe Zones for Automatic Picture Download to "Disabled".

Check Contents

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Automatic Picture Download Settings >> Include Internet in Safe Zones for Automatic Picture Download is set to "Disabled".

Use the Windows Registry to navigate to the following key:

HKCU\software\policies\ microsoft\office\ 16.0\outlook\options\mail

If the value for Internet is set to REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-223354

Documentable

False

Rule Version

O365-OU-000009

Severity Override Guidance

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Outlook 2016 >> Security >> Automatic Picture Download Settings >> Include Internet in Safe Zones for Automatic Picture Download is set to "Disabled".

Use the Windows Registry to navigate to the following key:

HKCU\software\policies\ microsoft\office\ 16.0\outlook\options\mail

If the value for Internet is set to REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Target Key

4099

Comments