UNKNOWN CVSS 5.0
Published: 2007-09-10

CVE-2007-4787

sophos scanning_engine Security Advisory (CVE-2007-4787)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2007-4787 impacting sophos scanning_engine. Evaluated with CVSS Base Score of 5.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
The virus detection engine in Sophos Anti-Virus before 2.49.0 does not properly process malformed (1) CAB, (2) LZH, and (3) RAR files with modified headers, which might allow remote attackers to bypass malware detection.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Confidentiality
None (C:N)
No data confidentiality impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product sophos / scanning_engine
Affected Versions 2.30.4
Weakness Enumeration CWE-20

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-2007-4787 impacting sophos scanning_engine.

⚡ Nuclei Detection Template (YAML) cve-2007-4787.yaml
id: cve-2007-4787

info:
  name: sophos scanning_engine - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2007-4787 affecting sophos scanning_engine.
    Evaluation: The virus detection engine in Sophos Anti-Virus before 2.49.0 does not properly process malformed (1) CAB, (2) LZH, and (3) RAR files with modified he...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2007-4787
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:N/I:P/A:N
    cvss-score: 5.0
    cve-id: CVE-2007-4787
    cwe-id: CWE-20
  tags: cve,cve-2007-4787,sophos,scanning_engine,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "scanning_engine"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2007-4787.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2007-4787
# Target: sophos scanning_engine | CVSS: 5.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2007-4787 (sophos scanning_engine)...")
    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 scanning_engine scope (2.30.4).")
        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-2007-4787.sh
# Recommended Remediation & Patching Commands for CVE-2007-4787
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install scanning_engine 2>/dev/null || \
sudo dnf upgrade scanning_engine 2>/dev/null || \
sudo yum update scanning_engine

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

# 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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2007-4787 in sophos scanning_engine?

Review vendor-specific security notices and update sophos scanning_engine 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-2007-4787?

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-2007-4787?

CVE-2007-4787 is classified with a CVSS 3.1 Base Score of 5.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.0
UNKNOWN SEVERITY
CVE ID CVE-2007-4787
Weakness CWE-20
Vendor sophos
Product scanning_engine
Published 2007-09-10
Vector AV:N/AC:L/Au:N/C:N/I:P/A:N