UNKNOWN CVSS 6.4
Published: 2009-03-25

CVE-2009-1103

sun java Security Advisory (CVE-2009-1103)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2009-1103 impacting sun java. Evaluated with CVSS Base Score of 6.4 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Unspecified vulnerability in the Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update 12 and earlier; 1.4.2_19 and earlier; and 1.3.1_24 and earlier allows remote attackers to access files and execute arbitrary code via unknown vectors related to "deserializing applets," aka CR 6646860.

📊 CVSS v3.1 Metric Breakdown

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

🎯 Affected Versions Matrix

Affected Product sun / java
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-2009-1103 impacting sun java.

⚡ Nuclei Detection Template (YAML) cve-2009-1103.yaml
id: cve-2009-1103

info:
  name: sun java - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2009-1103 affecting sun java.
    Evaluation: Unspecified vulnerability in the Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 5.0 Update 17 and earlier; 6 Update ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2009-1103
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:P/I:P/A:N
    cvss-score: 6.4
    cve-id: CVE-2009-1103
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2009-1103,sun,java,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "java"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2009-1103.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2009-1103
# Target: sun java | 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-2009-1103 (sun java)...")
    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 java 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-2009-1103.sh
# Recommended Remediation & Patching Commands for CVE-2009-1103
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install java 2>/dev/null || \
sudo dnf upgrade java 2>/dev/null || \
sudo yum update java

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

# 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-2009-1103 in sun java?

Review vendor-specific security notices and update sun java 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-2009-1103?

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-2009-1103?

CVE-2009-1103 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-2009-1103
Weakness NVD-CWE-noinfo
Vendor sun
Product java
Published 2009-03-25
Vector AV:N/AC:L/Au:N/C:P/I:P/A:N