CVE-2024-42718

6.5 MEDIUM

📋 TL;DR

This path traversal vulnerability in Croogo CMS 4.0.7 allows remote attackers to read arbitrary files on the server by manipulating the 'edit-file' parameter. Attackers can access sensitive files like configuration files, passwords, or system files. Only Croogo CMS 4.0.7 installations are affected.

💻 Affected Systems

Products:
  • Croogo CMS
Versions: 4.0.7
Operating Systems: All operating systems running Croogo CMS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Croogo CMS 4.0.7 specifically; other versions may not be vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise through reading sensitive configuration files containing database credentials, SSH keys, or other secrets leading to further attacks.

🟠

Likely Case

Exfiltration of sensitive data including configuration files, user information, or other application files stored on the server.

🟢

If Mitigated

Limited impact with proper file permissions and web server configurations that restrict access to sensitive directories.

🌐 Internet-Facing: HIGH - The vulnerability is remotely exploitable without authentication, making internet-facing instances immediately vulnerable.
🏢 Internal Only: MEDIUM - Internal instances are still vulnerable but require network access, reducing exposure compared to internet-facing systems.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires minimal technical skill to exploit as it involves simple path traversal techniques.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.0.8 or later

Vendor Advisory: https://github.com/croogo/croogo

Restart Required: No

Instructions:

1. Backup your current installation. 2. Download Croogo CMS 4.0.8 or later from the official repository. 3. Replace the vulnerable files with the patched version. 4. Verify the installation works correctly.

🔧 Temporary Workarounds

Input Validation Filter

all

Add server-side validation to sanitize the 'edit-file' parameter and reject path traversal attempts.

Modify the relevant controller to validate file paths before processing

Web Server Restrictions

linux

Configure web server to restrict access to sensitive directories and prevent directory traversal.

For Apache: Set 'AllowOverride None' in sensitive directories
For Nginx: Use 'location' blocks to restrict file access

🧯 If You Can't Patch

  • Implement WAF rules to block path traversal patterns in HTTP requests
  • Restrict file system permissions to limit what the web server user can access

🔍 How to Verify

Check if Vulnerable:

Test if you can access files outside the web root by manipulating the 'edit-file' parameter with path traversal sequences like '../../etc/passwd'.

Check Version:

Check the Croogo CMS version in the admin panel or by examining the application files for version identifiers.

Verify Fix Applied:

After patching, attempt the same path traversal attacks and verify they are blocked or return appropriate error messages.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing 'edit-file' parameter with '../' sequences
  • Access to unusual file paths in web server logs

Network Indicators:

  • HTTP requests with path traversal patterns in the 'edit-file' parameter

SIEM Query:

web.url:*edit-file* AND (web.url:*../* OR web.url:*..\*)

🔗 References

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