| name | SC-18(5)_allow-execution-only-in-confined-environments |
| description | Allow execution of permitted mobile code only in confined virtual machine environments. |
| category | configuration |
| version | 5.2.0 |
| author | cyberstrike-official |
| tags | ["nist","sp800-53","rev5","sc-18-5","sc","enhancement"] |
| tech_stack | ["aws","azure","gcp","linux","windows","network"] |
| cwe_ids | ["CWE-311"] |
| chains_with | ["SC-44","SI-7"] |
| prerequisites | ["SC-18"] |
| severity_boost | {"SC-44":"Chain with SC-44 for comprehensive security coverage","SI-7":"Chain with SI-7 for comprehensive security coverage"} |
SC-18(5) Allow Execution Only in Confined Environments
Enhancement of: SC-18
High-Level Description
Family: System and Communications Protection (SC)
Framework: NIST SP 800-53 Rev 5
Permitting the execution of mobile code only in confined virtual machine environments helps prevent the introduction of malicious code into other systems and system components.
What to Check
How to Test
Step 1: Review Documentation
Examine the System Security Plan (SSP) and related artifacts for SC-18(5) implementation details. Verify the organization has documented how this control is satisfied.
Step 2: Validate Implementation
# For cloud environments, use cloud-audit-mcp tools
# For on-premises, review system configurations directly
# Example: Check if account management policies exist
grep -r "account.management\|access.control" /etc/security/ 2>/dev/null
Step 3: Test Operating Effectiveness
Verify the control is actively functioning, not just documented. Check logs, configurations, and operational evidence.
Tools
| Tool | Purpose | Usage |
|---|
| cloud-audit-mcp | Check encryption and network controls | cloud_audit_encryption |
| nmap | Network scanning | nmap -sV --script ssl-enum-ciphers |
Remediation Guide
Control Statement
Allow execution of permitted mobile code only in confined virtual machine environments.
Implementation Guidance
Permitting the execution of mobile code only in confined virtual machine environments helps prevent the introduction of malicious code into other systems and system components.
Risk Assessment
