MEDIUM CVSS 5.7
Published: 2022-11-18

CVE-2022-24939

silabs gecko_software_development_kit Security Advisory (CVE-2022-24939)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2022-24939?
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-24939 impacting silabs gecko_software_development_kit. Evaluated with CVSS Base Score of 5.7 (MEDIUM).

Original NVD Description

Source: NIST NVD
 A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Adjacent (AV:A)
Requires shared subnet / local network access
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
None (UI:N)
Zero human interaction required
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 silabs / gecko_software_development_kit
Affected Versions -
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-2022-24939 impacting silabs gecko_software_development_kit.

⚡ Nuclei Detection Template (YAML) cve-2022-24939.yaml
id: cve-2022-24939

info:
  name: silabs gecko_software_development_kit - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-24939 affecting silabs gecko_software_development_kit.
    Evaluation: 
 A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to ...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-24939
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 5.7
    cve-id: CVE-2022-24939
    cwe-id: CWE-119
  tags: cve,cve-2022-24939,silabs,gecko_software_developmen,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "gecko_software_development_kit"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-24939.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-24939
# Target: silabs gecko_software_development_kit | CVSS: 5.7 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-24939 (silabs gecko_software_development_kit)...")
    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 silabs gecko_software_development_kit scope (-).")
        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-2022-24939.sh
# Recommended Remediation & Patching Commands for CVE-2022-24939
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install gecko_software_developmen 2>/dev/null || \
sudo dnf upgrade gecko_software_developmen 2>/dev/null || \
sudo yum update gecko_software_developmen

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

# 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-2022-24939 in silabs gecko_software_development_kit?

Review vendor-specific security notices and update silabs gecko_software_development_kit 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-2022-24939?

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-2022-24939?

CVE-2022-24939 is classified with a CVSS 3.1 Base Score of 5.7 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.7
MEDIUM SEVERITY
CVE ID CVE-2022-24939
Weakness CWE-119
Vendor silabs
Product gecko_software_development_kit
Published 2022-11-18
Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H