STIGQter: STIG Summary: Microsoft IIS 10.0 Server Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

Warning and error messages displayed to clients must be modified to minimize the identity of the IIS 10.0 web server, patches, loaded modules, and directory paths.

DISA Rule

SV-218810r561041_rule

Vulnerability Number

V-218810

Group Title

SRG-APP-000266-WSR-000159

Rule Version

IIST-SV-000140

Severity

CAT II

CCI(s)

• CCI-001312 - The information system generates error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.

Weight

10

Fix Recommendation

Open the IIS 10.0 Manager.

Click the IIS 10.0 web server name.

Double-click the "Error Pages" icon.

Click any error message, and then click "Edit Feature Setting" from the "Actions" Pane. This will apply to all error messages.

Set Feature Setting to “Detailed errors for local requests and custom error pages for remote requests”.

Check Contents

Open the IIS 10.0 Manager.

Click the IIS 10.0 web server name.

Double-click the "Error Pages" icon.

Click any error message, and then click "Edit Feature Setting" from the "Actions" Pane. This will apply to all error messages.

If the feature setting is not set to “Detailed errors for local requests and custom error pages for remote requests”, this is a finding.

Vulnerability Number

V-218810

Documentable

False

Rule Version

IIST-SV-000140

Severity Override Guidance

Open the IIS 10.0 Manager.

Click the IIS 10.0 web server name.

Double-click the "Error Pages" icon.

Click any error message, and then click "Edit Feature Setting" from the "Actions" Pane. This will apply to all error messages.

If the feature setting is not set to “Detailed errors for local requests and custom error pages for remote requests”, this is a finding.

Check Content Reference

M

Target Key

4052

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