HIGH CVSS 8.8
Published: 2017-06-13

CVE-2017-4973

cloudfoundry cloud_foundry_uaa_bosh Security Advisory (CVE-2017-4973)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-4973 impacting cloudfoundry cloud_foundry_uaa_bosh. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v257; UAA release 2.x versions prior to v2.7.4.14, 3.6.x versions prior to v3.6.8, 3.9.x versions prior to v3.9.10, and other versions prior to v3.15.0; and UAA bosh release (uaa-release) 13.x versions prior to v13.12, 24.x versions prior to v24.7, and other versions prior to v30. A vulnerability has been identified with the groups endpoint in UAA allowing users to elevate their privileges.

📊 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
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
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 / cloud_foundry_uaa_bosh
Affected Versions *
Weakness Enumeration CWE-269

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-2017-4973 impacting cloudfoundry cloud_foundry_uaa_bosh.

⚡ Nuclei Detection Template (YAML) cve-2017-4973.yaml
id: cve-2017-4973

info:
  name: cloudfoundry cloud_foundry_uaa_bosh - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-4973 affecting cloudfoundry cloud_foundry_uaa_bosh.
    Evaluation: An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v257; UAA release 2.x versions prior to v2.7.4.14, 3.6.x versions pri...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-4973
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2017-4973
    cwe-id: CWE-269
  tags: cve,cve-2017-4973,cloudfoundry,cloud_foundry_uaa_bosh,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cloud_foundry_uaa_bosh"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-4973.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-4973
# Target: cloudfoundry cloud_foundry_uaa_bosh | CVSS: 8.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-4973 (cloudfoundry cloud_foundry_uaa_bosh)...")
    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 cloud_foundry_uaa_bosh 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-2017-4973.sh
# Recommended Remediation & Patching Commands for CVE-2017-4973
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cloud_foundry_uaa_bosh 2>/dev/null || \
sudo dnf upgrade cloud_foundry_uaa_bosh 2>/dev/null || \
sudo yum update cloud_foundry_uaa_bosh

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

# 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-2017-4973 in cloudfoundry cloud_foundry_uaa_bosh?

Review vendor-specific security notices and update cloudfoundry cloud_foundry_uaa_bosh 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-2017-4973?

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-2017-4973?

CVE-2017-4973 is classified with a CVSS 3.1 Base Score of 8.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
8.8
HIGH SEVERITY
CVE ID CVE-2017-4973
Weakness CWE-269
Vendor cloudfoundry
Product cloud_foundry_uaa_bosh
Published 2017-06-13
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H