HIGH CVSS 7.0
Published: 2017-09-20

CVE-2017-9607

trustedfirmware trusted_firmware-a Security Advisory (CVE-2017-9607)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-9607 impacting trustedfirmware trusted_firmware-a. Evaluated with CVSS Base Score of 7.0 (HIGH).

Original NVD Description

Source: NIST NVD
The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_mem_check protection mechanism, cause a denial of service, or possibly have unspecified other impact via a crafted AArch32 image, which triggers an integer overflow.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product trustedfirmware / trusted_firmware-a
Affected Versions *
Weakness Enumeration CWE-190

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2017-9607 impacting trustedfirmware trusted_firmware-a.

⚡ Nuclei Detection Template (YAML) cve-2017-9607.yaml
id: cve-2017-9607

info:
  name: trustedfirmware trusted_firmware-a - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-9607 affecting trustedfirmware trusted_firmware-a.
    Evaluation: The BL1 FWU SMC handling code in ARM Trusted Firmware before 1.4 might allow attackers to write arbitrary data to secure memory, bypass the bl1_plat_m...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-9607
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.0
    cve-id: CVE-2017-9607
    cwe-id: CWE-190
  tags: cve,cve-2017-9607,trustedfirmware,trusted_firmware-a,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "trusted_firmware-a"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-9607.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-9607
# Target: trustedfirmware trusted_firmware-a | CVSS: 7.0 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-9607 (trustedfirmware trusted_firmware-a)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against trustedfirmware trusted_firmware-a scope (*).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2017-9607.sh
# Recommended Remediation & Patching Commands for CVE-2017-9607
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install trusted_firmware-a 2>/dev/null || \
sudo dnf upgrade trusted_firmware-a 2>/dev/null || \
sudo yum update trusted_firmware-a

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i trusted_firmware-a 2>/dev/null || rpm -qa | grep -i trusted_firmware-a

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-9607 in trustedfirmware trusted_firmware-a?

Review vendor-specific security notices and update trustedfirmware trusted_firmware-a packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2017-9607?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2017-9607?

CVE-2017-9607 is classified with a CVSS 3.1 Base Score of 7.0 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.0
HIGH SEVERITY
CVE ID CVE-2017-9607
Weakness CWE-190
Vendor trustedfirmware
Product trusted_firmware-a
Published 2017-09-20
Vector CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H