HIGH CVSS 8.8
Published: 2017-08-11

CVE-2017-6328

symantec message_gateway Security Advisory (CVE-2017-6328)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2017-6328 impacting symantec message_gateway. Evaluated with CVSS Base Score of 8.8 (HIGH).

Original NVD Description

Source: NIST NVD
The Symantec Messaging Gateway before 10.6.3-267 can encounter an issue of cross site request forgery (also known as one-click attack and is abbreviated as CSRF or XSRF), which is a type of malicious exploit of a website where unauthorized commands are transmitted from a user that the web application trusts. A CSRF attack attempts to exploit the trust that a specific website has in a user's browser.

📊 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
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 symantec / message_gateway
Affected Versions *
Weakness Enumeration CWE-352

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-2017-6328 impacting symantec message_gateway.

⚡ Nuclei Detection Template (YAML) cve-2017-6328.yaml
id: cve-2017-6328

info:
  name: symantec message_gateway - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2017-6328 affecting symantec message_gateway.
    Evaluation: The Symantec Messaging Gateway before 10.6.3-267 can encounter an issue of cross site request forgery (also known as one-click attack and is abbreviat...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2017-6328
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2017-6328
    cwe-id: CWE-352
  tags: cve,cve-2017-6328,symantec,message_gateway,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "message_gateway"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2017-6328.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2017-6328
# Target: symantec message_gateway | 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-2017-6328 (symantec message_gateway)...")
    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 symantec message_gateway 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-2017-6328.sh
# Recommended Remediation & Patching Commands for CVE-2017-6328
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install message_gateway 2>/dev/null || \
sudo dnf upgrade message_gateway 2>/dev/null || \
sudo yum update message_gateway

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2017-6328 in symantec message_gateway?

Review vendor-specific security notices and update symantec message_gateway 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-2017-6328?

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-2017-6328?

CVE-2017-6328 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-2017-6328
Weakness CWE-352
Vendor symantec
Product message_gateway
Published 2017-08-11
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H