UNKNOWN CVSS 7.8
Published: 2006-06-21

CVE-2006-3127

sun java_enterprise_system Security Advisory (CVE-2006-3127)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2006-3127 impacting sun java_enterprise_system. Evaluated with CVSS Base Score of 7.8 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Memory leak in Network Security Services (NSS) 3.11, as used in Sun Java Enterprise System 2003Q4 through 2005Q1 and Java System Directory Server 5.2, allows remote attackers to cause a denial of service (memory consumption) by performing a large number of RSA cryptographic operations.

📊 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
Integrity
None (I:N)
No system modification impact

🎯 Affected Versions Matrix

Affected Product sun / java_enterprise_system
Affected Versions 2003q4
Weakness Enumeration CWE-399

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-2006-3127 impacting sun java_enterprise_system.

⚡ Nuclei Detection Template (YAML) cve-2006-3127.yaml
id: cve-2006-3127

info:
  name: sun java_enterprise_system - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2006-3127 affecting sun java_enterprise_system.
    Evaluation: Memory leak in Network Security Services (NSS) 3.11, as used in Sun Java Enterprise System 2003Q4 through 2005Q1 and Java System Directory Server 5.2,...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2006-3127
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:N/A:C
    cvss-score: 7.8
    cve-id: CVE-2006-3127
    cwe-id: CWE-399
  tags: cve,cve-2006-3127,sun,java_enterprise_system,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "java_enterprise_system"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2006-3127.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2006-3127
# Target: sun java_enterprise_system | CVSS: 7.8 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2006-3127 (sun java_enterprise_system)...")
    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_enterprise_system scope (2003q4).")
        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-2006-3127.sh
# Recommended Remediation & Patching Commands for CVE-2006-3127
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install java_enterprise_system 2>/dev/null || \
sudo dnf upgrade java_enterprise_system 2>/dev/null || \
sudo yum update java_enterprise_system

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

# 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-2006-3127 in sun java_enterprise_system?

Review vendor-specific security notices and update sun java_enterprise_system 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-2006-3127?

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-2006-3127?

CVE-2006-3127 is classified with a CVSS 3.1 Base Score of 7.8 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
UNKNOWN SEVERITY
CVE ID CVE-2006-3127
Weakness CWE-399
Vendor sun
Product java_enterprise_system
Published 2006-06-21
Vector AV:N/AC:L/Au:N/C:N/I:N/A:C