HIGH CVSS 7.8
Published: 2017-10-04

CVE-2017-8048

cloudfoundry cf-release Security Advisory (CVE-2017-8048)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-8048 impacting cloudfoundry cf-release. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
In Cloud Foundry capi-release versions 1.33.0 and later, prior to 1.42.0 and cf-release versions 268 and later, prior to 274, the original fix for CVE-2017-8033 introduces an API regression that allows a space developer to execute arbitrary code on the Cloud Controller VM by pushing a specially crafted application. NOTE: 274 resolves the vulnerability but has a serious bug that is fixed in 275.

📊 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 / cf-release
Affected Versions 268
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-2017-8048 impacting cloudfoundry cf-release.

⚡ Nuclei Detection Template (YAML) cve-2017-8048.yaml
id: cve-2017-8048

info:
  name: cloudfoundry cf-release - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-8048 affecting cloudfoundry cf-release.
    Evaluation: In Cloud Foundry capi-release versions 1.33.0 and later, prior to 1.42.0 and cf-release versions 268 and later, prior to 274, the original fix for CVE...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-8048
  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-2017-8048
    cwe-id: NVD-CWE-noinfo
  tags: cve,cve-2017-8048,cloudfoundry,cf-release,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "cf-release"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-8048.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-8048
# Target: cloudfoundry cf-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-2017-8048 (cloudfoundry cf-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 cf-release scope (268).")
        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-2017-8048.sh
# Recommended Remediation & Patching Commands for CVE-2017-8048
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install cf-release 2>/dev/null || \
sudo dnf upgrade cf-release 2>/dev/null || \
sudo yum update cf-release

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

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

How do I fix CVE-2017-8048 in cloudfoundry cf-release?

Review vendor-specific security notices and update cloudfoundry cf-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-2017-8048?

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-2017-8048?

CVE-2017-8048 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-2017-8048
Weakness NVD-CWE-noinfo
Vendor cloudfoundry
Product cf-release
Published 2017-10-04
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H