UNKNOWN CVSS 5.0
Published: 2008-04-07

CVE-2008-1618

watchguard firebox_pptp_vpn Security Advisory (CVE-2008-1618)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2008-1618?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2008-1618 impacting watchguard firebox_pptp_vpn. Evaluated with CVSS Base Score of 5.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes depending on whether the username is valid or invalid, which allows remote attackers to enumerate valid usernames.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product watchguard / firebox_pptp_vpn
Affected Versions 4.9
Weakness Enumeration CWE-200

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-2008-1618 impacting watchguard firebox_pptp_vpn.

⚡ Nuclei Detection Template (YAML) cve-2008-1618.yaml
id: cve-2008-1618

info:
  name: watchguard firebox_pptp_vpn - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2008-1618 affecting watchguard firebox_pptp_vpn.
    Evaluation: The PPTP VPN service in Watchguard Firebox before 10, when performing the MS-CHAPv2 authentication handshake, generates different error codes dependin...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2008-1618
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 5.0
    cve-id: CVE-2008-1618
    cwe-id: CWE-200
  tags: cve,cve-2008-1618,watchguard,firebox_pptp_vpn,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "firebox_pptp_vpn"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2008-1618.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2008-1618
# Target: watchguard firebox_pptp_vpn | CVSS: 5.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2008-1618 (watchguard firebox_pptp_vpn)...")
    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 watchguard firebox_pptp_vpn scope (4.9).")
        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-2008-1618.sh
# Recommended Remediation & Patching Commands for CVE-2008-1618
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install firebox_pptp_vpn 2>/dev/null || \
sudo dnf upgrade firebox_pptp_vpn 2>/dev/null || \
sudo yum update firebox_pptp_vpn

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

# 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-2008-1618 in watchguard firebox_pptp_vpn?

Review vendor-specific security notices and update watchguard firebox_pptp_vpn 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-2008-1618?

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-2008-1618?

CVE-2008-1618 is classified with a CVSS 3.1 Base Score of 5.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.0
UNKNOWN SEVERITY
CVE ID CVE-2008-1618
Weakness CWE-200
Vendor watchguard
Product firebox_pptp_vpn
Published 2008-04-07
Vector AV:N/AC:L/Au:N/C:P/I:N/A:N