UNKNOWN CVSS 7.5
Published: 2005-05-02

CVE-2005-0239

squirrelmail s_mime_plugin Security Advisory (CVE-2005-0239)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2005-0239 impacting squirrelmail s_mime_plugin. Evaluated with CVSS Base Score of 7.5 (UNKNOWN).

Original NVD Description

Source: NIST NVD
viewcert.php in the S/MIME plugin 0.4 and 0.5 for Squirrelmail allows remote attackers to execute arbitrary commands via shell metacharacters in the cert 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

🎯 Affected Versions Matrix

Affected Product squirrelmail / s_mime_plugin
Affected Versions 0.4
Weakness Enumeration NVD-CWE-Other

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-2005-0239 impacting squirrelmail s_mime_plugin.

⚡ Nuclei Detection Template (YAML) cve-2005-0239.yaml
id: cve-2005-0239

info:
  name: squirrelmail s_mime_plugin - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2005-0239 affecting squirrelmail s_mime_plugin.
    Evaluation: viewcert.php in the S/MIME plugin 0.4 and 0.5 for Squirrelmail allows remote attackers to execute arbitrary commands via shell metacharacters in the c...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2005-0239
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:P/A:P
    cvss-score: 7.5
    cve-id: CVE-2005-0239
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2005-0239,squirrelmail,s_mime_plugin,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "s_mime_plugin"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2005-0239.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2005-0239
# Target: squirrelmail s_mime_plugin | CVSS: 7.5 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2005-0239 (squirrelmail s_mime_plugin)...")
    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 squirrelmail s_mime_plugin scope (0.4).")
        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-2005-0239.sh
# Recommended Remediation & Patching Commands for CVE-2005-0239
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install s_mime_plugin 2>/dev/null || \
sudo dnf upgrade s_mime_plugin 2>/dev/null || \
sudo yum update s_mime_plugin

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

# 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-2005-0239 in squirrelmail s_mime_plugin?

Review vendor-specific security notices and update squirrelmail s_mime_plugin 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-2005-0239?

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-2005-0239?

CVE-2005-0239 is classified with a CVSS 3.1 Base Score of 7.5 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
UNKNOWN SEVERITY
CVE ID CVE-2005-0239
Weakness NVD-CWE-Other
Vendor squirrelmail
Product s_mime_plugin
Published 2005-05-02
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P