HIGH CVSS 7.5
Published: 2017-05-03

CVE-2017-5240

rapid7 appspider_pro Security Advisory (CVE-2017-5240)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-5240 impacting rapid7 appspider_pro. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
Editions of Rapid7 AppSpider Pro prior to version 6.14.060 contain a heap-based buffer overflow in the FLAnalyzer.exe component. A malicious or malformed Flash source file can cause a denial of service condition when parsed by this component, causing the application to crash.

📊 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
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 rapid7 / appspider_pro
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-2017-5240 impacting rapid7 appspider_pro.

⚡ Nuclei Detection Template (YAML) cve-2017-5240.yaml
id: cve-2017-5240

info:
  name: rapid7 appspider_pro - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-5240 affecting rapid7 appspider_pro.
    Evaluation: Editions of Rapid7 AppSpider Pro prior to version 6.14.060 contain a heap-based buffer overflow in the FLAnalyzer.exe component. A malicious or malfor...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-5240
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 7.5
    cve-id: CVE-2017-5240
    cwe-id: CWE-119
  tags: cve,cve-2017-5240,rapid7,appspider_pro,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "appspider_pro"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-5240.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-5240
# Target: rapid7 appspider_pro | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-5240 (rapid7 appspider_pro)...")
    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 rapid7 appspider_pro 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-2017-5240.sh
# Recommended Remediation & Patching Commands for CVE-2017-5240
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install appspider_pro 2>/dev/null || \
sudo dnf upgrade appspider_pro 2>/dev/null || \
sudo yum update appspider_pro

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

# 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
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-5240 in rapid7 appspider_pro?

Review vendor-specific security notices and update rapid7 appspider_pro 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-2017-5240?

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-2017-5240?

CVE-2017-5240 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2017-5240
Weakness CWE-119
Vendor rapid7
Product appspider_pro
Published 2017-05-03
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H