UNKNOWN CVSS 10.0
Published: 2012-07-03

CVE-2011-5096

avaya aura_application_server_5300 Security Advisory (CVE-2011-5096)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2011-5096 impacting avaya aura_application_server_5300. Evaluated with CVSS Base Score of 10.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Stack-based buffer overflow in cstore.exe in the Media Application Server (MAS) in Avaya Aura Application Server 5300 (formerly Nortel Media Application Server) 1.x before 1.0.2 and 2.0 before Patch Bundle 10 allows remote attackers to execute arbitrary code via a crafted cs_anams parameter in a CONTENT_STORE_ADMIN_REQ packet.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product avaya / aura_application_server_5300
Affected Versions 1.0
Weakness Enumeration CWE-119

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-2011-5096 impacting avaya aura_application_server_5300.

⚡ Nuclei Detection Template (YAML) cve-2011-5096.yaml
id: cve-2011-5096

info:
  name: avaya aura_application_server_5300 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2011-5096 affecting avaya aura_application_server_5300.
    Evaluation: Stack-based buffer overflow in cstore.exe in the Media Application Server (MAS) in Avaya Aura Application Server 5300 (formerly Nortel Media Applicati...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2011-5096
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:C/I:C/A:C
    cvss-score: 10.0
    cve-id: CVE-2011-5096
    cwe-id: CWE-119
  tags: cve,cve-2011-5096,avaya,aura_application_server_5,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "aura_application_server_5300"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2011-5096.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2011-5096
# Target: avaya aura_application_server_5300 | CVSS: 10.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2011-5096 (avaya aura_application_server_5300)...")
    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 avaya aura_application_server_5300 scope (1.0).")
        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-2011-5096.sh
# Recommended Remediation & Patching Commands for CVE-2011-5096
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install aura_application_server_5 2>/dev/null || \
sudo dnf upgrade aura_application_server_5 2>/dev/null || \
sudo yum update aura_application_server_5

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i aura_application_server_5 2>/dev/null || rpm -qa | grep -i aura_application_server_5

# 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.

🔗 Verified Technical References

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2011-5096 in avaya aura_application_server_5300?

Review vendor-specific security notices and update avaya aura_application_server_5300 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-2011-5096?

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-2011-5096?

CVE-2011-5096 is classified with a CVSS 3.1 Base Score of 10.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
10.0
UNKNOWN SEVERITY
CVE ID CVE-2011-5096
Weakness CWE-119
Vendor avaya
Product aura_application_server_5300
Published 2012-07-03
Vector AV:N/AC:L/Au:N/C:C/I:C/A:C