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

IIS 10.0 website session IDs must be sent to the client using TLS.

DISA Rule

SV-218769r558649_rule

Vulnerability Number

V-218769

Group Title

SRG-APP-000439-WSR-000152

Rule Version

IIST-SI-000244

Severity

CAT II

CCI(s)

• CCI-002418 - The information system protects the confidentiality and/or integrity of transmitted information.

Weight

10

Fix Recommendation

Follow the procedures below for each site hosted on the IIS 10.0 web server:

Access the IIS 10.0 Manager.

Select the website being reviewed.

Under "Management" section, double-click the "Configuration Editor" icon.

From the "Section:" drop-down list, select "system.webServer/asp".

Expand the "session" section.

Select "True" for the "keepSessionIdSecure" setting.

Select "Apply" from the "Actions" pane.

Check Contents

Follow the procedures below for each site hosted on the IIS 10.0 web server:

Access the IIS 10.0 Manager.

Select the website being reviewed.

Under "Management" section, double-click the "Configuration Editor" icon.

From the "Section:" drop-down list, select "system.webServer/asp".

Expand the "session" section.

Verify the "keepSessionIdSecure" is set to "True".

If the "keepSessionIdSecure" is not set to "True", this is a finding.

Vulnerability Number

V-218769

Documentable

False

Rule Version

IIST-SI-000244

Severity Override Guidance

Follow the procedures below for each site hosted on the IIS 10.0 web server:

Access the IIS 10.0 Manager.

Select the website being reviewed.

Under "Management" section, double-click the "Configuration Editor" icon.

From the "Section:" drop-down list, select "system.webServer/asp".

Expand the "session" section.

Verify the "keepSessionIdSecure" is set to "True".

If the "keepSessionIdSecure" is not set to "True", this is a finding.

Check Content Reference

M

Target Key

4051

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