UNKNOWN CVSS 10.0
Published: 2005-01-10

CVE-2004-1287

nasm netwide_assembler Security Advisory (CVE-2004-1287)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2004-1287 impacting nasm netwide_assembler. Evaluated with CVSS Base Score of 10.0 (UNKNOWN).

Original NVD Description

Source: NIST NVD
Buffer overflow in the error function in preproc.c for NASM 0.98.38 1.2 allows attackers to execute arbitrary code via a crafted asm file, a different vulnerability than CVE-2005-1194.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required

🎯 Affected Versions Matrix

Affected Product nasm / netwide_assembler
Affected Versions 0.98.38
Weakness Enumeration CWE-787

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-2004-1287 impacting nasm netwide_assembler.

⚡ Nuclei Detection Template (YAML) cve-2004-1287.yaml
id: cve-2004-1287

info:
  name: nasm netwide_assembler - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: unknown
  description: |
    Automated signature & scanner for CVE-2004-1287 affecting nasm netwide_assembler.
    Evaluation: Buffer overflow in the error function in preproc.c for NASM 0.98.38 1.2 allows attackers to execute arbitrary code via a crafted asm file, a different...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2004-1287
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/Au:N/C:C/I:C/A:C
    cvss-score: 10.0
    cve-id: CVE-2004-1287
    cwe-id: CWE-787
  tags: cve,cve-2004-1287,nasm,netwide_assembler,unknown

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "netwide_assembler"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2004-1287.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2004-1287
# Target: nasm netwide_assembler | CVSS: 10.0 (UNKNOWN)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2004-1287 (nasm netwide_assembler)...")
    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 nasm netwide_assembler scope (0.98.38).")
        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-2004-1287.sh
# Recommended Remediation & Patching Commands for CVE-2004-1287
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install netwide_assembler 2>/dev/null || \
sudo dnf upgrade netwide_assembler 2>/dev/null || \
sudo yum update netwide_assembler

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

# 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-2004-1287 in nasm netwide_assembler?

Review vendor-specific security notices and update nasm netwide_assembler 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-2004-1287?

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-2004-1287?

CVE-2004-1287 is classified with a CVSS 3.1 Base Score of 10.0 (UNKNOWN). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
10.0
UNKNOWN SEVERITY
CVE ID CVE-2004-1287
Weakness CWE-787
Vendor nasm
Product netwide_assembler
Published 2005-01-10
Vector AV:N/AC:L/Au:N/C:C/I:C/A:C