CVE-2011-0063 — AI Deep Analysis Summary

🚨 **Essence**: Path Traversal in Majordomo 2's `_list_file_get` function. 📉 **Consequences**: Attackers can read **arbitrary files** on the server via the `help` command's `extra` parameter using `./.../` sequences.…

🛡️ **Root Cause**: Improper input validation in `lib/Majordomo.pm`. 🐛 **Flaw**: The `_list_file_get` function fails to sanitize directory traversal characters (`../`) passed via the `extra` argument.…

👥 **Affected**: Majordomo 2. 📅 **Versions**: 20110203 and **earlier** versions. 📦 **Component**: `lib/Majordomo.pm` module. ⚠️ **Note**: Vendor listed as 'n/a' in data.

🕵️ **Hackers Can**: Execute directory traversal attacks. 📂 **Access**: Read **any file** accessible to the Majordomo process. 📧 **Data**: Sensitive configs, source code, or user data.…

🔓 **Threshold**: **Low**. 🌐 **Auth**: Remote exploitation possible. ⚙️ **Config**: Requires sending crafted requests to the `help` command. 🚀 **Ease**: Simple string injection (`./.../`). No complex setup needed.

📢 **Public Exp?**: Yes. 📜 **References**: SecurityFocus (NSOADV-2011-003) and Secunia (43631) confirm exploitation. 🔍 **PoC**: Mailing list archives discuss the bypass.…

🔍 **Self-Check**: Scan for Majordomo 2 instances. 🧪 **Test**: Send `help` command with `extra=./../../etc/passwd`. 👀 **Indicator**: Look for file content in response instead of standard help text.…

🛠️ **Fixed?**: Yes. 📥 **Patch**: Upgrade to version **after 20110203**. 🔄 **Action**: Update `lib/Majordomo.pm` or the entire Majordomo package. ✅ **Status**: Official mitigation exists via version upgrade.

🚧 **No Patch?**: Input validation on `extra` parameter. 🚫 **Block**: Reject requests containing `../` or `..\` in the `help` command arguments.…

🔥 **Urgency**: **High**. 📅 **Age**: Published 2011, but classic flaw. 📉 **Risk**: Easy remote file read. 💡 **Priority**: Immediate patching recommended if legacy systems are still running.…