CRITICAL CVSS 9.3
Published: 2017-09-11

CVE-2015-4523

symantec malware_analysis_appliance Security Advisory (CVE-2015-4523)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2015-4523 impacting symantec malware_analysis_appliance. Evaluated with CVSS Base Score of 9.3 (CRITICAL).

Original NVD Description

Source: NIST NVD
Blue Coat Malware Analysis Appliance (MAA) before 4.2.5 and Malware Analyzer G2 allow remote attackers to bypass a virtual machine protection mechanism and consequently write to arbitrary files, cause a denial of service (host reboot or reset to factory defaults), or execute arbitrary code via vectors related to saving files during analysis.

📊 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
None (UI:N)
Zero human interaction required
Scope
Changed (S:C)
Impacts components beyond caller authority
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 / malware_analysis_appliance
Affected Versions *
Weakness Enumeration CWE-264

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-2015-4523 impacting symantec malware_analysis_appliance.

⚡ Nuclei Detection Template (YAML) cve-2015-4523.yaml
id: cve-2015-4523

info:
  name: symantec malware_analysis_appliance - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2015-4523 affecting symantec malware_analysis_appliance.
    Evaluation: Blue Coat Malware Analysis Appliance (MAA) before 4.2.5 and Malware Analyzer G2 allow remote attackers to bypass a virtual machine protection mechanis...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2015-4523
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 9.3
    cve-id: CVE-2015-4523
    cwe-id: CWE-264
  tags: cve,cve-2015-4523,symantec,malware_analysis_applianc,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "malware_analysis_appliance"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2015-4523.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2015-4523
# Target: symantec malware_analysis_appliance | CVSS: 9.3 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2015-4523 (symantec malware_analysis_appliance)...")
    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 malware_analysis_appliance 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-2015-4523.sh
# Recommended Remediation & Patching Commands for CVE-2015-4523
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install malware_analysis_applianc 2>/dev/null || \
sudo dnf upgrade malware_analysis_applianc 2>/dev/null || \
sudo yum update malware_analysis_applianc

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

# 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
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2015-4523 in symantec malware_analysis_appliance?

Review vendor-specific security notices and update symantec malware_analysis_appliance 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-2015-4523?

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-2015-4523?

CVE-2015-4523 is classified with a CVSS 3.1 Base Score of 9.3 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.3
CRITICAL SEVERITY
CVE ID CVE-2015-4523
Weakness CWE-264
Vendor symantec
Product malware_analysis_appliance
Published 2017-09-11
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H