STIGQter STIGQter: STIG Summary: IIS 8.5 Server Security Technical Implementation Guide Version: 1 Release: 9 Benchmark Date: 25 Oct 2019: Unspecified file extensions on a production IIS 8.5 web server must be removed.

DISA Rule

SV-91465r1_rule

Vulnerability Number

V-76769

Group Title

SRG-APP-000516-WSR-000174

Rule Version

IISW-SV-000158

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

Double-click the "ISAPI and CGI restrictions" icon.

Click "Edit Feature Settings".

Remove the check from the "Allow unspecified CGI modules" and the "Allow unspecified ISAPI modules" check boxes.

Click OK.

Check Contents

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

Double-click the "ISAPI and CGI restrictions" icon.

Click “Edit Feature Settings".

Verify the "Allow unspecified CGI modules" and the "Allow unspecified ISAPI modules" check boxes are NOT checked.

If either or both of the "Allow unspecified CGI modules" and the "Allow unspecified ISAPI modules" check boxes are checked, this is a finding.

Vulnerability Number

V-76769

Documentable

False

Rule Version

IISW-SV-000158

Severity Override Guidance

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

Double-click the "ISAPI and CGI restrictions" icon.

Click “Edit Feature Settings".

Verify the "Allow unspecified CGI modules" and the "Allow unspecified ISAPI modules" check boxes are NOT checked.

If either or both of the "Allow unspecified CGI modules" and the "Allow unspecified ISAPI modules" check boxes are checked, this is a finding.

Check Content Reference

M

Target Key

2793

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