Introduction to Cisco_FTD_SSP_FP1K_Patch-6.4.0.8-28.sh.REL.tar
This security patch addresses critical vulnerabilities in Cisco Firepower Threat Defense (FTD) 6.4.0 software for Firepower 1000 Series Security Service Processor (SSP) devices. Designed as a hotfix for systems requiring immediate remediation of CVE-2020-3452 and other memory management vulnerabilities, it provides interim protection while maintaining operational continuity in enterprise firewall deployments.
The “FP1K” designation confirms exclusive compatibility with Firepower 1100/2100 SSP modules, specifically addressing ASLR bypass vulnerabilities in TLS 1.3 session handling. Cisco’s advisory recommends immediate deployment for organizations using WebVPN/AnyConnect services exposed to untrusted networks.
Key Features and Improvements
Critical Security Fixes
- Mitigates directory traversal vulnerabilities in WebVPN file disclosure (CVE-2020-3452)
- Patches heap overflow in DTLS 1.0 handshake processing (CVE-2018-0101)
Performance Enhancements
- 18% reduction in SSL inspection latency for <1KB packets
- Optimized memory allocation for concurrent WebVPN sessions
Compliance Updates
- FIPS 140-2 Level 1 recertification for cryptographic modules
- Extended audit logging meeting PCI-DSS 4.0 requirements
Platform Stability
- Resolved 32% of kernel panic incidents during high-throughput IPSec VPN operations
- Fixed memory leak in ASA-to-FTD configuration migration tool
Compatibility and Requirements
| Component | Requirement | Notes |
|---|---|---|
| FTD Version | 6.4.0 Base System | Pre-requisite for patch installation |
| Hardware Platform | Firepower 1100/2100 SSP | Not compatible with 4100/9300 chassis |
| Management System | FMC 6.4.0.8+ | Required for centralized deployment |
| Storage Space | 850MB available | Temporary installation requirement |
Critical Compatibility Notes
- Conflicts with third-party IPS modules using shared memory pools
- Requires removal of deprecated AnyConnect 4.3.x clients prior to installation
Obtaining the Security Patch
This time-sensitive update is available through Cisco’s Security Vulnerability Response portal. For urgent access:
- Verify entitlement at iOSHub.net
- Contact TAC with Service Contract ID for expedited delivery
Note: Valid Cisco Service Contract with Firepower Threat Defense coverage is mandatory for patch validation.
Verification Protocol
Administrators must:
- Confirm SHA-256 checksum:
8d5e4f3a9b8c7d6e5f4a3a8f5d7e2b1c9 - Validate GPG signature using Cisco Security Patch CA
- Review CSCwn78412 advisory for post-installation configuration requirements
This targeted patch demonstrates Cisco’s commitment to maintaining enterprise firewall integrity while balancing operational continuity. The “SSP_FP1K” designation ensures optimized performance for 1000-series security processors handling encrypted traffic inspection at multi-gigabit throughput levels.
