MEDIUM CVSS 6.3
Published: 2022-11-29

CVE-2022-4202

gpac gpac Security Advisory (CVE-2022-4202)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-4202 impacting gpac gpac. Evaluated with CVSS Base Score of 6.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability, which was classified as problematic, was found in GPAC 2.1-DEV-rev490-g68064e101-master. Affected is the function lsr_translate_coords of the file laser/lsr_dec.c. The manipulation leads to integer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is b3d821c4ae9ba62b3a194d9dcb5e99f17bd56908. It is recommended to apply a patch to fix this issue. VDB-214518 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
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product gpac / gpac
Affected Versions 2.1-dev-rev490-g68064e101-master
Weakness Enumeration CWE-189

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-2022-4202 impacting gpac gpac.

⚡ Nuclei Detection Template (YAML) cve-2022-4202.yaml
id: cve-2022-4202

info:
  name: gpac gpac - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-4202 affecting gpac gpac.
    Evaluation: A vulnerability, which was classified as problematic, was found in GPAC 2.1-DEV-rev490-g68064e101-master. Affected is the function lsr_translate_coord...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-4202
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
    cvss-score: 6.3
    cve-id: CVE-2022-4202
    cwe-id: CWE-189
  tags: cve,cve-2022-4202,gpac,gpac,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "gpac"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-4202.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-4202
# Target: gpac gpac | CVSS: 6.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-4202 (gpac gpac)...")
    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 gpac gpac scope (2.1-dev-rev490-g68064e101-master).")
        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-2022-4202.sh
# Recommended Remediation & Patching Commands for CVE-2022-4202
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install gpac 2>/dev/null || \
sudo dnf upgrade gpac 2>/dev/null || \
sudo yum update gpac

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

# 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-2022-4202 in gpac gpac?

Review vendor-specific security notices and update gpac gpac 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-2022-4202?

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-2022-4202?

CVE-2022-4202 is classified with a CVSS 3.1 Base Score of 6.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.3
MEDIUM SEVERITY
CVE ID CVE-2022-4202
Weakness CWE-189
Vendor gpac
Product gpac
Published 2022-11-29
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L