MEDIUM CVSS 5.4
Published: 2017-06-23

CVE-2017-3948

mcafee data_loss_prevention_endpoint Security Advisory (CVE-2017-3948)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-3948 impacting mcafee data_loss_prevention_endpoint. Evaluated with CVSS Base Score of 5.4 (MEDIUM).

Original NVD Description

Source: NIST NVD
Cross Site Scripting (XSS) in IMG Tags in the ePO extension in McAfee Data Loss Prevention Endpoint (DLP Endpoint) 10.0.x allows authenticated users to inject arbitrary web script or HTML via injecting malicious JavaScript into a user's browsing session.

📊 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
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product mcafee / data_loss_prevention_endpoint
Affected Versions 10.0
Weakness Enumeration CWE-79

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-2017-3948 impacting mcafee data_loss_prevention_endpoint.

⚡ Nuclei Detection Template (YAML) cve-2017-3948.yaml
id: cve-2017-3948

info:
  name: mcafee data_loss_prevention_endpoint - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2017-3948 affecting mcafee data_loss_prevention_endpoint.
    Evaluation: Cross Site Scripting (XSS) in IMG Tags in the ePO extension in McAfee Data Loss Prevention Endpoint (DLP Endpoint) 10.0.x allows authenticated users t...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-3948
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2017-3948
    cwe-id: CWE-79
  tags: cve,cve-2017-3948,mcafee,data_loss_prevention_endp,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "data_loss_prevention_endpoint"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-3948.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-3948
# Target: mcafee data_loss_prevention_endpoint | CVSS: 5.4 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2017-3948 (mcafee data_loss_prevention_endpoint)...")
    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 mcafee data_loss_prevention_endpoint scope (10.0).")
        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-2017-3948.sh
# Recommended Remediation & Patching Commands for CVE-2017-3948
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install data_loss_prevention_endp 2>/dev/null || \
sudo dnf upgrade data_loss_prevention_endp 2>/dev/null || \
sudo yum update data_loss_prevention_endp

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

# 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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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-3948 in mcafee data_loss_prevention_endpoint?

Review vendor-specific security notices and update mcafee data_loss_prevention_endpoint 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-2017-3948?

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-2017-3948?

CVE-2017-3948 is classified with a CVSS 3.1 Base Score of 5.4 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.4
MEDIUM SEVERITY
CVE ID CVE-2017-3948
Weakness CWE-79
Vendor mcafee
Product data_loss_prevention_endpoint
Published 2017-06-23
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N