STIGQter: STIG Summary: Microsoft IIS 8.5 Server Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

IIS 8.5 web server session IDs must be sent to the client using TLS.

DISA Rule

SV-214435r508658_rule

Vulnerability Number

V-214435

Group Title

SRG-APP-000439-WSR-000152

Rule Version

IISW-SV-000152

Severity

CAT II

CCI(s)

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

Weight

10

Fix Recommendation

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

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

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

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-214435

Documentable

False

Rule Version

IISW-SV-000152

Severity Override Guidance

Open the IIS 8.5 Manager.

Click the IIS 8.5 web server name.

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

4000

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