UNKNOWN CVSS 2.1
Published: 2012-04-17

CVE-2012-1923

realnetworks helix_server Security Advisory (CVE-2012-1923)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2012-1923 impacting realnetworks helix_server. Evaluated with CVSS Base Score of 2.1 (UNKNOWN).

Original NVD Description

Source: NIST NVD
RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x store passwords in cleartext under adm_b_db\users\, which allows local users to obtain sensitive information by reading a database.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product realnetworks / helix_server
Affected Versions 14.0.0
Weakness Enumeration CWE-310

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-2012-1923 impacting realnetworks helix_server.

⚡ Nuclei Detection Template (YAML) cve-2012-1923.yaml
id: cve-2012-1923

info:
  name: realnetworks helix_server - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2012-1923 affecting realnetworks helix_server.
    Evaluation: RealNetworks Helix Server and Helix Mobile Server 14.x before 14.3.x store passwords in cleartext under adm_b_db\users\, which allows local users to o...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2012-1923
  classification:
    cvss-metrics: CVSS:3.1/AV:L/AC:L/Au:N/C:P/I:N/A:N
    cvss-score: 2.1
    cve-id: CVE-2012-1923
    cwe-id: CWE-310
  tags: cve,cve-2012-1923,realnetworks,helix_server,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "helix_server"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2012-1923.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2012-1923
# Target: realnetworks helix_server | CVSS: 2.1 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2012-1923 (realnetworks helix_server)...")
    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 realnetworks helix_server scope (14.0.0).")
        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-2012-1923.sh
# Recommended Remediation & Patching Commands for CVE-2012-1923
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install helix_server 2>/dev/null || \
sudo dnf upgrade helix_server 2>/dev/null || \
sudo yum update helix_server

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

# 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-2012-1923 in realnetworks helix_server?

Review vendor-specific security notices and update realnetworks helix_server 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-2012-1923?

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-2012-1923?

CVE-2012-1923 is classified with a CVSS 3.1 Base Score of 2.1 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
2.1
UNKNOWN SEVERITY
CVE ID CVE-2012-1923
Weakness CWE-310
Vendor realnetworks
Product helix_server
Published 2012-04-17
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N