MEDIUM CVSS 4.3
Published: 2022-11-01

CVE-2022-3816

axiosys bento4 Security Advisory (CVE-2022-3816)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-3816 impacting axiosys bento4. Evaluated with CVSS Base Score of 4.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability, which was classified as problematic, was found in Axiomatic Bento4. Affected is an unknown function of the component mp4decrypt. The manipulation leads to memory leak. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-212682 is the identifier assigned to this vulnerability.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product axiosys / bento4
Affected Versions 1.6.0-639
Weakness Enumeration CWE-404

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-2022-3816 impacting axiosys bento4.

⚡ Nuclei Detection Template (YAML) cve-2022-3816.yaml
id: cve-2022-3816

info:
  name: axiosys bento4 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-3816 affecting axiosys bento4.
    Evaluation: A vulnerability, which was classified as problematic, was found in Axiomatic Bento4. Affected is an unknown function of the component mp4decrypt. The ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-3816
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
    cvss-score: 4.3
    cve-id: CVE-2022-3816
    cwe-id: CWE-404
  tags: cve,cve-2022-3816,axiosys,bento4,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bento4"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-3816.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-3816
# Target: axiosys bento4 | CVSS: 4.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-3816 (axiosys bento4)...")
    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 axiosys bento4 scope (1.6.0-639).")
        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-2022-3816.sh
# Recommended Remediation & Patching Commands for CVE-2022-3816
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bento4 2>/dev/null || \
sudo dnf upgrade bento4 2>/dev/null || \
sudo yum update bento4

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i bento4 2>/dev/null || rpm -qa | grep -i bento4

# 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-2022-3816 in axiosys bento4?

Review vendor-specific security notices and update axiosys bento4 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-2022-3816?

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-2022-3816?

CVE-2022-3816 is classified with a CVSS 3.1 Base Score of 4.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
4.3
MEDIUM SEVERITY
CVE ID CVE-2022-3816
Weakness CWE-404
Vendor axiosys
Product bento4
Published 2022-11-01
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L