HIGH CVSS 7.8
Published: 2017-07-24

CVE-2017-8036

cloudfoundry capi-release Security Advisory (CVE-2017-8036)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-8036 impacting cloudfoundry capi-release. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
An issue was discovered in the Cloud Controller API in Cloud Foundry Foundation CAPI-release version 1.33.0 (only). The original fix for CVE-2017-8033 included in CAPI-release 1.33.0 introduces a regression that allows a space developer to execute arbitrary code on the Cloud Controller VM by pushing a specially crafted application.

📊 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 cloudfoundry / capi-release
Affected Versions 1.33.0
Weakness Enumeration NVD-CWE-noinfo

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-2017-8036 impacting cloudfoundry capi-release.

⚡ Nuclei Detection Template (YAML) cve-2017-8036.yaml
id: cve-2017-8036

info:
  name: cloudfoundry capi-release - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-8036 affecting cloudfoundry capi-release.
    Evaluation: An issue was discovered in the Cloud Controller API in Cloud Foundry Foundation CAPI-release version 1.33.0 (only). The original fix for CVE-2017-8033...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-8036
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2017-8036
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2017-8036,cloudfoundry,capi-release,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "capi-release"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-8036.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-8036
# Target: cloudfoundry capi-release | 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-2017-8036 (cloudfoundry capi-release)...")
    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 cloudfoundry capi-release scope (1.33.0).")
        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-2017-8036.sh
# Recommended Remediation & Patching Commands for CVE-2017-8036
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install capi-release 2>/dev/null || \
sudo dnf upgrade capi-release 2>/dev/null || \
sudo yum update capi-release

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-8036 in cloudfoundry capi-release?

Review vendor-specific security notices and update cloudfoundry capi-release 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-2017-8036?

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-2017-8036?

CVE-2017-8036 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-2017-8036
Weakness NVD-CWE-noinfo
Vendor cloudfoundry
Product capi-release
Published 2017-07-24
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H