HIGH CVSS 7.8
Published: 2017-08-02

CVE-2017-2286

sony nfc_port_firmware Security Advisory (CVE-2017-2286)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-2286 impacting sony nfc_port_firmware. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
Untrusted search path vulnerability in NFC Port Software Version 5.5.0.6 and earlier (for RC-S310, RC-S320, RC-S330, RC-S370, RC-S380, RC-S380/S), NFC Port Software Version 5.3.6.7 and earlier (for RC-S320, RC-S310/J1C, RC-S310/ED4C), PC/SC Activator for Type B Ver.1.2.1.0 and earlier, SFCard Viewer 2 Ver.2.5.0.0 and earlier, NFC Net Installer Ver.1.1.0.0 and earlier allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
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
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product sony / nfc_port_firmware
Affected Versions *
Weakness Enumeration CWE-427

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-2017-2286 impacting sony nfc_port_firmware.

⚡ Nuclei Detection Template (YAML) cve-2017-2286.yaml
id: cve-2017-2286

info:
  name: sony nfc_port_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-2286 affecting sony nfc_port_firmware.
    Evaluation: Untrusted search path vulnerability in NFC Port Software Version 5.5.0.6 and earlier (for RC-S310, RC-S320, RC-S330, RC-S370, RC-S380, RC-S380/S), NFC...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-2286
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2017-2286
    cwe-id: CWE-427
  tags: cve,cve-2017-2286,sony,nfc_port_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "nfc_port_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-2286.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-2286
# Target: sony nfc_port_firmware | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-2286 (sony nfc_port_firmware)...")
    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 sony nfc_port_firmware 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-2017-2286.sh
# Recommended Remediation & Patching Commands for CVE-2017-2286
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install nfc_port_firmware 2>/dev/null || \
sudo dnf upgrade nfc_port_firmware 2>/dev/null || \
sudo yum update nfc_port_firmware

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

# 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.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-2286 in sony nfc_port_firmware?

Review vendor-specific security notices and update sony nfc_port_firmware 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-2017-2286?

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-2017-2286?

CVE-2017-2286 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2017-2286
Weakness CWE-427
Vendor sony
Product nfc_port_firmware
Published 2017-08-02
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H