STIGQter: STIG Summary: Forescout Network Access Control Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 20 Nov 2020:

Forescout must reveal error messages only to the Information System Security Officer (ISSO), Information System Security Manager (ISSM), and System Administrator (SA).

DISA Rule

SV-233328r615856_rule

Vulnerability Number

V-233328

Group Title

SRG-NET-000273-NAC-000970

Rule Version

FORE-NC-000210

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

1. Log on to the Forescout UI.
2. Within the highlighted policy, under the Actions section, select "Add" or "Edit".
3. Find the Notify section and select from any one of the below options for notifying authorized (IAW SSP) personnel:
- HTTP Notification
- Send Email
- Send Notification

Check Contents

Verify Forescout is configured to reveal error messages only to the security personnel that need to know about the application that had the error.

1. Log on to the Forescout UI.
2. Within the highlighted policy, under the Actions section, select a configured action to view.
3. Find the Notify section and verify that only authorized individuals (IAW the SSP) are configured for the following:
- HTTP Notification
- Send Email
- Send Notification

If Forescout error messages can be viewed by unauthorized users other than the security personnel that have a need to know, this is a finding.

Vulnerability Number

V-233328

Documentable

False

Rule Version

FORE-NC-000210

Severity Override Guidance

Verify Forescout is configured to reveal error messages only to the security personnel that need to know about the application that had the error.

1. Log on to the Forescout UI.
2. Within the highlighted policy, under the Actions section, select a configured action to view.
3. Find the Notify section and verify that only authorized individuals (IAW the SSP) are configured for the following:
- HTTP Notification
- Send Email
- Send Notification

If Forescout error messages can be viewed by unauthorized users other than the security personnel that have a need to know, this is a finding.

Check Content Reference

M

Target Key

5250

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