MEDIUM CVSS 6.5
Published: 2022-11-02

CVE-2022-43244

struktur libde265 Security Advisory (CVE-2022-43244)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-43244 impacting struktur libde265. Evaluated with CVSS Base Score of 6.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via put_qpel_fallback<unsigned short> in fallback-motion.cc. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted video file.

📊 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
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product struktur / libde265
Affected Versions 1.0.8
Weakness Enumeration CWE-787

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-2022-43244 impacting struktur libde265.

⚡ Nuclei Detection Template (YAML) cve-2022-43244.yaml
id: cve-2022-43244

info:
  name: struktur libde265 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-43244 affecting struktur libde265.
    Evaluation: Libde265 v1.0.8 was discovered to contain a heap-buffer-overflow vulnerability via put_qpel_fallback&lt;unsigned short&gt; in fallback-motion.cc. This...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-43244
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
    cvss-score: 6.5
    cve-id: CVE-2022-43244
    cwe-id: CWE-787
  tags: cve,cve-2022-43244,struktur,libde265,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "libde265"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-43244.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-43244
# Target: struktur libde265 | CVSS: 6.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-43244 (struktur libde265)...")
    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 struktur libde265 scope (1.0.8).")
        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-2022-43244.sh
# Recommended Remediation & Patching Commands for CVE-2022-43244
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install libde265 2>/dev/null || \
sudo dnf upgrade libde265 2>/dev/null || \
sudo yum update libde265

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i libde265 2>/dev/null || rpm -qa | grep -i libde265

# 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-2022-43244 in struktur libde265?

Review vendor-specific security notices and update struktur libde265 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-2022-43244?

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-2022-43244?

CVE-2022-43244 is classified with a CVSS 3.1 Base Score of 6.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.5
MEDIUM SEVERITY
CVE ID CVE-2022-43244
Weakness CWE-787
Vendor struktur
Product libde265
Published 2022-11-02
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H