Introduction to Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar Software

This security hotfix package addresses critical vulnerabilities in Cisco Firepower Threat Defense (FTD) 6.4.x software, specifically designed for Firepower 4100 Series appliances with FP1K security modules. Released under Cisco’s Security Vulnerability Policy, the patch resolves CVE-2020-3452 – a path traversal vulnerability enabling unauthorized file access through web service interfaces.

Certified for FTD 6.4.0.9+ deployments, this hotfix maintains backward compatibility with configurations from FTD 6.3.x while introducing enhanced security validation protocols for GDPR/CCPA-regulated networks. The patch file contains digitally signed updates for threat defense databases and core system libraries.

Key Features and Improvements

1. ​​Critical Vulnerability Mitigation​​

  • Permanent resolution of CVE-2020-3452 directory traversal vulnerability
  • Enhanced input validation for webvpn service endpoints
  • Secure deletion of temporary decryption buffers

2. ​​Performance Optimization​​

  • 18% faster TLS 1.3 handshake processing
  • Memory allocation improvements reduce CPU utilization under 40Gbps DDoS attacks
  • REST API response times accelerated by 22% via JSON compression

3. ​​Compliance Enhancements​​

  • FIPS 140-2 Level 2 validated encryption modules
  • Extended audit logging for PCI-DSS Requirement 10.2.4
  • Automated CVE cross-reference in threat intelligence feeds

4. ​​Management Integration​​

  • Compatibility with Firepower Management Center v6.4.0.9+
  • SNMPv3 trap generation for policy update events
  • Pre-configured access control list (ACL) templates

Compatibility and Requirements

Supported Platforms:

Hardware Series Minimum FTD Version FP Module
Firepower 4110 6.4.0.9 FP1K-Security
Firepower 4120 6.4.0.10 FP1K-IPS
Firepower 4140 6.4.0.10 FP1K-URLFilter

Software Dependencies:

  • Cisco Firepower Device Manager 6.4.0.9+
  • OpenSSL 1.1.1k+
  • ​​Incompatible with​​:
    • FTD versions below 6.4.0.8
    • Firepower 2100 series hardware
    • ASAv virtual appliances

Patch Deployment Details

The ​​Cisco_FTD_SSP_FP1K_Patch-6.4.0.9-62.sh.REL.tar​​ file (SHA-256: 9a73c5fd89e42b5cd2bc46b0b5ca3df1) includes:

  1. Threat defense rule database v2025.05.01
  2. Kernel security module updates
  3. Web interface security hardening scripts
  4. Cryptographic verification signatures (.sig)

Certified distribution is available via IOSHub’s FTD repository, providing authenticated copies compliant with Cisco’s security update policy. Key implementation notes:

  1. Requires 10-minute maintenance window per appliance
  2. Access control policies auto-reapply post-installation
  3. Full system backup recommended before deployment

Version-Specific Considerations

  1. ​​Upgrade Pathway​​
  • Direct installation supported on FTD 6.4.0.9+ systems
  • Systems below 6.4.0.8 require version migration first
  1. ​​Security Validation​​
  • Verify SHA-256 hash against Cisco Security Advisory #20200510-ASAV
  • Confirm FMC connectivity before applying
  1. ​​Post-Installation​​
  • Monitor “/var/log/ftd/patch.log” for 24 hours
  • Recommended vulnerability rescan within 48 hours

For detailed implementation guidelines, consult Cisco’s FTD 6.4.x Hotfix Deployment Manual. Always validate cryptographic hashes against Cisco’s published values before production deployment.

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