UNKNOWN CVSS 4.7
Published: 2013-11-29

CVE-2013-6885

amd 16h_model_processor_firmware Security Advisory (CVE-2013-6885)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-6885 impacting amd 16h_model_processor_firmware. Evaluated with CVSS Base Score of 4.7 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service (system hang) via a crafted application, aka the errata 793 issue.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product amd / 16h_model_processor_firmware
Affected Versions -
Weakness Enumeration CWE-399

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-2013-6885 impacting amd 16h_model_processor_firmware.

⚡ Nuclei Detection Template (YAML) cve-2013-6885.yaml
id: cve-2013-6885

info:
  name: amd 16h_model_processor_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-6885 affecting amd 16h_model_processor_firmware.
    Evaluation: The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory typ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-6885
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:M/Au:N/C:N/I:N/A:C
    cvss-score: 4.7
    cve-id: CVE-2013-6885
    cwe-id: CWE-399
  tags: cve,cve-2013-6885,amd,16h_model_processor_firmw,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "16h_model_processor_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-6885.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-6885
# Target: amd 16h_model_processor_firmware | CVSS: 4.7 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-6885 (amd 16h_model_processor_firmware)...")
    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 amd 16h_model_processor_firmware 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-2013-6885.sh
# Recommended Remediation & Patching Commands for CVE-2013-6885
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install 16h_model_processor_firmw 2>/dev/null || \
sudo dnf upgrade 16h_model_processor_firmw 2>/dev/null || \
sudo yum update 16h_model_processor_firmw

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i 16h_model_processor_firmw 2>/dev/null || rpm -qa | grep -i 16h_model_processor_firmw

# 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-2013-6885 in amd 16h_model_processor_firmware?

Review vendor-specific security notices and update amd 16h_model_processor_firmware 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-2013-6885?

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-2013-6885?

CVE-2013-6885 is classified with a CVSS 3.1 Base Score of 4.7 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.7
UNKNOWN SEVERITY
CVE ID CVE-2013-6885
Weakness CWE-399
Vendor amd
Product 16h_model_processor_firmware
Published 2013-11-29
Vector AV:L/AC:M/Au:N/C:N/I:N/A:C