CVE-2011-4542 — AI Deep Analysis Summary

🚨 **Essence**: Hastymail RC2 < 2.1.1 has an **SQL Injection** flaw. 📉 **Consequences**: Attackers can execute **arbitrary commands** via the `rs` or `rsargs[]` parameters in the 'Drafts' mailbox.…

🛡️ **Root Cause**: Improper input validation in **PHP** code. 🐛 **Flaw**: The application fails to sanitize the `rs` and `rsargs[]` parameters passed through the default URI.…

📦 **Affected**: Hastymail (PHP IMAP/SMTP client). 📅 **Version**: Versions **before RC2** and specifically **2.1.1** (and earlier RC2 builds).…

🕵️ **Hackers Can**: Execute **arbitrary commands** on the server. 🔓 **Privileges**: Likely full control over the database and potentially the underlying OS via command execution.…

🔑 **Auth Required**: Yes, likely requires access to the 'Drafts' mailbox. 🎯 **Config**: Exploitation targets the **default URI**. 📉 **Threshold**: Moderate.…

📜 **Public Exp?**: Yes. References exist from **Secunia (48308)** and **Dog Naedis**. 🌍 **Wild Exploitation**: High risk.…

🔍 **Self-Check**: Scan for Hastymail instances. 🧪 **Test**: Inject payloads into `rs` and `rsargs[]` parameters within the 'Drafts' section.…

🩹 **Fixed?**: Yes. The vulnerability exists in versions **before 2.1.1**. 🆙 **Patch**: Upgrade to **Hastymail 2.1.1** or later. 🛑 **Mitigation**: Ensure you are not running any RC2 pre-release versions.

🚧 **No Patch?**: Disable the 'Drafts' mailbox feature if possible. 🛡️ **WAF**: Block requests containing suspicious SQL syntax in `rs` or `rsargs[]` parameters.…

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: Patch immediately. Published in **Nov 2011**, but the impact (Arbitrary Command Execution) is severe.…