CVE-2022-39255
CyberVault Technical Summary
Analyst SynthesisTechnical analysis, exploit verification, and patch instructions for CVE-2022-39255 impacting matrix software_development_kit. Evaluated with CVSS Base Score of 8.6 (HIGH).
Original NVD Description
Source: NIST NVD📊 CVSS v3.1 Metric Breakdown
🎯 Affected Versions Matrix
| Affected Product | matrix / software_development_kit |
| Affected Versions | * |
| Weakness Enumeration | CWE-287 |
Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe
Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2022-39255 impacting matrix software_development_kit.
id: cve-2022-39255
info:
name: matrix software_development_kit - Security Advisory & Vulnerability Scan
author: cybervault-security-intel
severity: high
description: |
Automated signature & scanner for CVE-2022-39255 affecting matrix software_development_kit.
Evaluation: Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserv...
reference:
- https://cybervault-cve.pages.dev/cve/CVE-2022-39255
classification:
cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
cvss-score: 8.6
cve-id: CVE-2022-39255
cwe-id: CWE-287
tags: cve,cve-2022-39255,matrix,software_development_kit,high
http:
- method: GET
path:
- "{BaseURL}/"
- "{BaseURL}/api/"
matchers-condition: and
matchers:
- type: status
status:
- 200
- type: word
words:
- "software_development_kit"
part: body
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-39255
# Target: matrix software_development_kit | CVSS: 8.6 (HIGH)
# Educational & Security Audit Purpose Only
import requests
import sys
def verify_vulnerability(target_url):
print(f"[*] Auditing {target_url} for CVE-2022-39255 (matrix 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 matrix 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)
# Recommended Remediation & Patching Commands for CVE-2022-39255
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install software_development_kit 2>/dev/null || \
sudo dnf upgrade software_development_kit 2>/dev/null || \
sudo yum update software_development_kit
# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i software_development_kit 2>/dev/null || rpm -qa | grep -i software_development_kit
# 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.
🔗 Verified Technical References
- No records filed in this category.
- No records filed in this category.
- ↗ https://github.com/matrix-org/matrix-ios-sdk/commit/5ca86c328a5faaab429c240551cb9ca8f0f6262c
- ↗ https://github.com/matrix-org/matrix-ios-sdk/releases/tag/v0.23.19
- ↗ https://github.com/matrix-org/matrix-ios-sdk/security/advisories/GHSA-hw6g-j8v6-9hcm
- ↗ https://matrix.org/blog/2022/09/28/upgrade-now-to-address-encryption-vulns-in-matrix-sdks-and-clients
- ↗ https://github.com/matrix-org/matrix-ios-sdk/commit/5ca86c328a5faaab429c240551cb9ca8f0f6262c
❓ Frequently Asked Questions (FAQ) & Remediation Guide
How do I fix CVE-2022-39255 in matrix software_development_kit?
Review vendor-specific security notices and update matrix 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-2022-39255?
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-2022-39255?
CVE-2022-39255 is classified with a CVSS 3.1 Base Score of 8.6 (HIGH). Check the metric breakdown above for attack vector requirements.