HIGH CVSS 7.3
Published: 2025-04-22

CVE-2024-40445

ctan mimetex Security Advisory (CVE-2024-40445)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2024-40445 impacting ctan mimetex. Evaluated with CVSS Base Score of 7.3 (HIGH).

Original NVD Description

Source: NIST NVD
A directory traversal vulnerability in forkosh Mime TeX before version 1.77 allows attackers on Windows systems to read or append arbitrary files by manipulating crafted input paths.

📊 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
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product ctan / mimetex
Affected Versions *
Weakness Enumeration CWE-77

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-2024-40445 impacting ctan mimetex.

⚡ Nuclei Detection Template (YAML) cve-2024-40445.yaml
id: cve-2024-40445

info:
  name: ctan mimetex - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2024-40445 affecting ctan mimetex.
    Evaluation: A directory traversal vulnerability in forkosh Mime TeX before version 1.77 allows attackers on Windows systems to read or append arbitrary files by m...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2024-40445
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    cvss-score: 7.3
    cve-id: CVE-2024-40445
    cwe-id: CWE-77
  tags: cve,cve-2024-40445,ctan,mimetex,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "mimetex"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2024-40445.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2024-40445
# Target: ctan mimetex | CVSS: 7.3 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2024-40445 (ctan mimetex)...")
    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 ctan mimetex 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-2024-40445.sh
# Recommended Remediation & Patching Commands for CVE-2024-40445
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install mimetex 2>/dev/null || \
sudo dnf upgrade mimetex 2>/dev/null || \
sudo yum update mimetex

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

# 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-2024-40445 in ctan mimetex?

Review vendor-specific security notices and update ctan mimetex 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-2024-40445?

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-2024-40445?

CVE-2024-40445 is classified with a CVSS 3.1 Base Score of 7.3 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.3
HIGH SEVERITY
CVE ID CVE-2024-40445
Weakness CWE-77
Vendor ctan
Product mimetex
Published 2025-04-22
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L