UNKNOWN CVSS 5.0
Published: 2009-05-22

CVE-2009-1777

matt_wright formmail Security Advisory (CVE-2009-1777)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2009-1777 impacting matt_wright formmail. Evaluated with CVSS Base Score of 5.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
CRLF injection vulnerability in FormMail.pl in Matt Wright FormMail 1.92, and possibly earlier, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the redirect parameter.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Confidentiality
None (C:N)
No data confidentiality impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product matt_wright / formmail
Affected Versions 1.92
Weakness Enumeration CWE-20

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-2009-1777 impacting matt_wright formmail.

⚡ Nuclei Detection Template (YAML) cve-2009-1777.yaml
id: cve-2009-1777

info:
  name: matt_wright formmail - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2009-1777 affecting matt_wright formmail.
    Evaluation: CRLF injection vulnerability in FormMail.pl in Matt Wright FormMail 1.92, and possibly earlier, allows remote attackers to inject arbitrary HTTP heade...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2009-1777
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:P/A:N
    cvss-score: 5.0
    cve-id: CVE-2009-1777
    cwe-id: CWE-20
  tags: cve,cve-2009-1777,matt_wright,formmail,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "formmail"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2009-1777.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2009-1777
# Target: matt_wright formmail | 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-2009-1777 (matt_wright formmail)...")
    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 matt_wright formmail scope (1.92).")
        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-2009-1777.sh
# Recommended Remediation & Patching Commands for CVE-2009-1777
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install formmail 2>/dev/null || \
sudo dnf upgrade formmail 2>/dev/null || \
sudo yum update formmail

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

# 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-2009-1777 in matt_wright formmail?

Review vendor-specific security notices and update matt_wright formmail 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-2009-1777?

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-2009-1777?

CVE-2009-1777 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-2009-1777
Weakness CWE-20
Vendor matt_wright
Product formmail
Published 2009-05-22
Vector AV:N/AC:L/Au:N/C:N/I:P/A:N