UNKNOWN CVSS 6.4
Published: 2012-02-15

CVE-2012-0502

sun jre Security Advisory (CVE-2012-0502)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-0502 impacting sun jre. Evaluated with CVSS Base Score of 6.4 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, 6 Update 30 and earlier, 5.0 Update 33 and earlier, and 1.4.2_35 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality and availability, related to AWT.

📊 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

🎯 Affected Versions Matrix

Affected Product sun / jre
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-2012-0502 impacting sun jre.

⚡ Nuclei Detection Template (YAML) cve-2012-0502.yaml
id: cve-2012-0502

info:
  name: sun jre - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-0502 affecting sun jre.
    Evaluation: Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 2 and earlier, 6 Update 30 and earlier, 5.0 Updat...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-0502
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:N/A:P
    cvss-score: 6.4
    cve-id: CVE-2012-0502
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2012-0502,sun,jre,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "jre"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-0502.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-0502
# Target: sun jre | CVSS: 6.4 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2012-0502 (sun jre)...")
    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 sun jre 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-2012-0502.sh
# Recommended Remediation & Patching Commands for CVE-2012-0502
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install jre 2>/dev/null || \
sudo dnf upgrade jre 2>/dev/null || \
sudo yum update jre

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

# 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-2012-0502 in sun jre?

Review vendor-specific security notices and update sun jre 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-2012-0502?

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-2012-0502?

CVE-2012-0502 is classified with a CVSS 3.1 Base Score of 6.4 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.4
UNKNOWN SEVERITY
CVE ID CVE-2012-0502
Weakness NVD-CWE-noinfo
Vendor sun
Product jre
Published 2012-02-15
Vector AV:N/AC:L/Au:N/C:P/I:N/A:P