STIGQter: STIG Summary: Microsoft Internet Explorer 11 Security Technical Implementation Guide Version: 1 Release: 19 Benchmark Date: 24 Jul 2020:

Software must be disallowed to run or install with invalid signatures.

DISA Rule

SV-59489r2_rule

Vulnerability Number

V-46625

Group Title

DTBI350-IE11-Software with invalid signatures

Rule Version

DTBI350-IE11

Severity

CAT II

CCI(s)

• CCI-001170 - The information system prevents the automatic execution of mobile code in organization-defined software applications.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Advanced Page -> 'Allow software to run or install even if the signature is invalid' to 'Disabled'.

Check Contents

Note: Some legitimate software and controls may have an invalid signature. You should carefully test such software in isolation before it is allowed to be used on an organization's network.

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Advanced Page -> 'Allow software to run or install even if the signature is invalid' must be 'Disabled'. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Download Criteria: If the value "RunInvalidSignatures" is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-46625

Documentable

False

Rule Version

DTBI350-IE11

Severity Override Guidance

Note: Some legitimate software and controls may have an invalid signature. You should carefully test such software in isolation before it is allowed to be used on an organization's network.

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Advanced Page -> 'Allow software to run or install even if the signature is invalid' must be 'Disabled'. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Download Criteria: If the value "RunInvalidSignatures" is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Target Key

2589

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