UNKNOWN CVSS 9.3
Published: 2014-03-18

CVE-2013-2642

sophos web_appliance_firmware Security Advisory (CVE-2013-2642)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2013-2642 impacting sophos web_appliance_firmware. Evaluated with CVSS Base Score of 9.3 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Sophos Web Appliance before 3.7.8.2 allows (1) remote attackers to execute arbitrary commands via shell metacharacters in the client-ip parameter to the Block page, when using the user_workstation variable in a customized template, and remote authenticated users to execute arbitrary commands via shell metacharacters in the (2) url parameter to the Diagnostic Tools functionality or (3) entries parameter to the Local Site List functionality.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries

🎯 Affected Versions Matrix

Affected Product sophos / web_appliance_firmware
Affected Versions *
Weakness Enumeration CWE-78

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-2013-2642 impacting sophos web_appliance_firmware.

⚡ Nuclei Detection Template (YAML) cve-2013-2642.yaml
id: cve-2013-2642

info:
  name: sophos web_appliance_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2013-2642 affecting sophos web_appliance_firmware.
    Evaluation: Sophos Web Appliance before 3.7.8.2 allows (1) remote attackers to execute arbitrary commands via shell metacharacters in the client-ip parameter to t...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2013-2642
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:M/Au:N/C:C/I:C/A:C
    cvss-score: 9.3
    cve-id: CVE-2013-2642
    cwe-id: CWE-78
  tags: cve,cve-2013-2642,sophos,web_appliance_firmware,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "web_appliance_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2013-2642.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2013-2642
# Target: sophos web_appliance_firmware | CVSS: 9.3 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2013-2642 (sophos web_appliance_firmware)...")
    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 sophos web_appliance_firmware 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-2013-2642.sh
# Recommended Remediation & Patching Commands for CVE-2013-2642
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install web_appliance_firmware 2>/dev/null || \
sudo dnf upgrade web_appliance_firmware 2>/dev/null || \
sudo yum update web_appliance_firmware

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

# 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-2013-2642 in sophos web_appliance_firmware?

Review vendor-specific security notices and update sophos web_appliance_firmware 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-2013-2642?

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-2013-2642?

CVE-2013-2642 is classified with a CVSS 3.1 Base Score of 9.3 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.3
UNKNOWN SEVERITY
CVE ID CVE-2013-2642
Weakness CWE-78
Vendor sophos
Product web_appliance_firmware
Published 2014-03-18
Vector AV:N/AC:M/Au:N/C:C/I:C/A:C