STIGQter: STIG Summary: Cisco ASA IPS Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 24 Jul 2024:

The Cisco ASA must be configured to send an alert to organization-defined personnel and/or the firewall administrator when malicious code is detected.

DISA Rule

SV-239888r665977_rule

Vulnerability Number

V-239888

Group Title

SRG-NET-000249-IDPS-00222

Rule Version

CASA-IP-000280

Severity

CAT II

CCI(s)

• CCI-001243 - Configure malicious code protection mechanisms to block malicious code; quarantine malicious code; and/or take organization-defined action(s) in response to malicious code detection.

Weight

10

Fix Recommendation

Configure email server and email addresses to send alerts to organization-defined personnel and/or the firewall administrator.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: From the Create Alert drop-down menu, choose Create Email Alert.

Step 3: Enter a Name for the alert response. In the To field, enter the email addresses where you want to send alerts, separated by commas. In the From field, enter the email address that you want to appear as the sender of the alert. Next to Relay Host, click edit to enter mail server.

Step 4: Click Save.
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Configure Advanced Malware Protection to send alerts when malware is detected.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: Click the Advanced Malware Protections Alerts tab.

Step 3: In the Alerts section, choose the alert response for an email alert.

Step 4: Click Save.

Check Contents

Verify email server and email addresses have been defined.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: From the Create Alert drop-down menu, choose Create Email Alert.

Step 3: Verify the email address is that of the system administrator.
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Verify that Advanced Malware Protection is configured to generate alerts.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: Click the Advanced Malware Protections Alerts tab.

Step 3: In the Alerts section, verify that an email alert has been selected.

Note: The above example is using the Firepower Management Center.

If the ASA is not configured to send an alert to organization-defined personnel and/or the firewall administrator when malicious code is detected, this is a finding.

Vulnerability Number

V-239888

Documentable

False

Rule Version

CASA-IP-000280

Severity Override Guidance

Verify email server and email addresses have been defined.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: From the Create Alert drop-down menu, choose Create Email Alert.

Step 3: Verify the email address is that of the system administrator.
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Verify that Advanced Malware Protection is configured to generate alerts.

Step 1: Navigate to Policies >> Actions >> Alerts.

Step 2: Click the Advanced Malware Protections Alerts tab.

Step 3: In the Alerts section, verify that an email alert has been selected.

Note: The above example is using the Firepower Management Center.

If the ASA is not configured to send an alert to organization-defined personnel and/or the firewall administrator when malicious code is detected, this is a finding.

Check Content Reference

M

Target Key

5341