UNKNOWN CVSS 3.5
Published: 2012-05-29

CVE-2012-1987

puppet puppet Security Advisory (CVE-2012-1987)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-1987 impacting puppet puppet. Evaluated with CVSS Base Score of 3.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, and 2.5.x before 2.5.1 allows remote authenticated users with agent SSL keys to (1) cause a denial of service (memory consumption) via a REST request to a stream that triggers a thread block, as demonstrated using CVE-2012-1986 and /dev/random; or (2) cause a denial of service (filesystem consumption) via crafted REST requests that use "a marshaled form of a Puppet::FileBucket::File object" to write to arbitrary file locations.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product puppet / puppet
Affected Versions *
Weakness Enumeration NVD-CWE-noinfo

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-2012-1987 impacting puppet puppet.

⚡ Nuclei Detection Template (YAML) cve-2012-1987.yaml
id: cve-2012-1987

info:
  name: puppet puppet - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-1987 affecting puppet puppet.
    Evaluation: Unspecified vulnerability in Puppet 2.6.x before 2.6.15 and 2.7.x before 2.7.13, and Puppet Enterprise (PE) Users 1.0, 1.1, 1.2.x, 2.0.x, and 2.5.x be...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-1987
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:S/C:N/I:N/A:P
    cvss-score: 3.5
    cve-id: CVE-2012-1987
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2012-1987,puppet,puppet,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "puppet"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-1987.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-1987
# Target: puppet puppet | CVSS: 3.5 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2012-1987 (puppet puppet)...")
    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 puppet puppet 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-2012-1987.sh
# Recommended Remediation & Patching Commands for CVE-2012-1987
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install puppet 2>/dev/null || \
sudo dnf upgrade puppet 2>/dev/null || \
sudo yum update puppet

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

# 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-2012-1987 in puppet puppet?

Review vendor-specific security notices and update puppet puppet 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-2012-1987?

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-2012-1987?

CVE-2012-1987 is classified with a CVSS 3.1 Base Score of 3.5 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.5
UNKNOWN SEVERITY
CVE ID CVE-2012-1987
Weakness NVD-CWE-noinfo
Vendor puppet
Product puppet
Published 2012-05-29
Vector AV:N/AC:M/Au:S/C:N/I:N/A:P