CVE-2007-4921 — AI Deep Analysis Summary

🚨 **Essence**: A Remote File Inclusion (RFI) flaw in Ajax File Browser 3 Beta.…

🛡️ **Root Cause**: Poor input validation in `_includes/settings.inc.php`.…

🎯 **Affected**: Specifically **Ajax File Browser 3 Beta**. 📦 **Component**: The `settings.inc.php` file within the `_includes` directory. ⚠️ **Vendor**: n/a (Open source/legacy tool).

💀 **Capabilities**: Hackers can execute **arbitrary PHP code**. 🔓 **Privileges**: Full remote control of the server process. 📂 **Data**: Potential access to all files and data accessible by the web server user.

📉 **Threshold**: **LOW**. 🔑 **Auth**: No authentication required. ⚙️ **Config**: Exploitable via a simple URL parameter (`approot`). Remote attackers can trigger this directly.

🔥 **Public Exp**: **YES**. 📜 **Sources**: Exploit-DB #4405, VUPEN ADV-2007-3175, and various OSVDB/XF entries confirm public availability. 🌍 **Wild Exploitation**: Likely, given the simplicity of RFI.

🔍 **Self-Check**: Scan for `Ajax File Browser` instances. 🧪 **Test**: Check if `_includes/settings.inc.php` accepts and processes the `approot` URL parameter without sanitization.…

🛠️ **Fix**: The software is a **Beta** version from 2007. 🚫 **Patch**: Likely **unpatched** or abandoned. Official support is non-existent for this legacy beta release. 📅 **Published**: Sept 2007.

🚧 **Workaround**: **Disable** the application immediately. 🚫 **Block**: Restrict access to `_includes/settings.inc.php` via WAF or web server config. 🛑 **Mitigation**: Ensure `allow_url_include` is **Off** in `php.ini`.

⚡ **Urgency**: **HIGH** (Historically). 📉 **Current**: **LOW** (Legacy). 📝 **Priority**: If still running, **CRITICAL** to remove. For modern systems, it's a historical artifact but serves as a warning for RFI risks.…