UNKNOWN CVSS 6.8
Published: 2012-08-31

CVE-2012-4009

cybozu cybozu_live Security Advisory (CVE-2012-4009)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2012-4009?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-4009 impacting cybozu cybozu_live. Evaluated with CVSS Base Score of 6.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The WebView class in the Cybozu Live application 1.0.4 and earlier for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries

🎯 Affected Versions Matrix

Affected Product cybozu / cybozu_live
Affected Versions *
Weakness Enumeration CWE-94

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-2012-4009 impacting cybozu cybozu_live.

⚡ Nuclei Detection Template (YAML) cve-2012-4009.yaml
id: cve-2012-4009

info:
  name: cybozu cybozu_live - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-4009 affecting cybozu cybozu_live.
    Evaluation: The WebView class in the Cybozu Live application 1.0.4 and earlier for Android allows remote attackers to execute arbitrary JavaScript code, and obtai...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-4009
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:P/I:P/A:P
    cvss-score: 6.8
    cve-id: CVE-2012-4009
    cwe-id: CWE-94
  tags: cve,cve-2012-4009,cybozu,cybozu_live,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cybozu_live"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-4009.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-4009
# Target: cybozu cybozu_live | CVSS: 6.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2012-4009 (cybozu cybozu_live)...")
    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 cybozu cybozu_live 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-2012-4009.sh
# Recommended Remediation & Patching Commands for CVE-2012-4009
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cybozu_live 2>/dev/null || \
sudo dnf upgrade cybozu_live 2>/dev/null || \
sudo yum update cybozu_live

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

# 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-2012-4009 in cybozu cybozu_live?

Review vendor-specific security notices and update cybozu cybozu_live 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-2012-4009?

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-2012-4009?

CVE-2012-4009 is classified with a CVSS 3.1 Base Score of 6.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.8
UNKNOWN SEVERITY
CVE ID CVE-2012-4009
Weakness CWE-94
Vendor cybozu
Product cybozu_live
Published 2012-08-31
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P