CVE-2005-1256 — AI Deep Analysis Summary

🚨 **Essence**: A Remote Denial of Service (DoS) vulnerability in Ipswitch IMail's IMAP server. 💥 **Consequences**: The service crashes.…

🛠️ **Root Cause**: Stack Buffer Overflow. 📉 **Flaw**: The server fails to properly validate the length of parameters in the IMAP `SELECT` command. Feeding a string of approx.…

🏢 **Affected Vendor**: Ipswitch Inc. 📦 **Product**: IMail Server (Windows-based communication/collaboration solution). 📅 **Context**: Vulnerability disclosed in May 2005.…

🎯 **Attacker Action**: Trigger a crash via network packets. 🔓 **Privileges**: None required for the attack itself (Remote). 📊 **Data Impact**: **None**.…

📉 **Threshold**: **Low**. 🌐 **Auth**: Remote exploitation is possible (no authentication mentioned). ⚙️ **Config**: Requires sending a specific malformed IMAP packet. 📏 **Complexity**: Simple buffer overflow trigger.…

📜 **Public Exploit**: **No**. 🚫 **PoC**: The data lists references (SecurityFocus, iDefense) but no actual exploit code or PoC is provided in the `pocs` array.…

🔍 **Self-Check**: Scan for Ipswitch IMail services. 📡 **Detection**: Monitor for IMAP `SELECT` commands with unusually long parameters (~260 bytes).…

✅ **Fixed**: **Yes**. 📥 **Patch**: Ipswitch released a hotfix (im82hf2.html). 🔗 **Reference**: Official vendor confirmation link provided in references.…

🛡️ **Workaround**: If patching isn't possible, restrict network access to the IMAP port (143/993). 🚧 **Mitigation**: Use a firewall or WAF to block malformed IMAP packets or limit packet size.…

⚠️ **Priority**: **Low-Medium** for immediate action, **High** for legacy systems. 📅 **Age**: This is a **2005** vulnerability. 🏚️ **Context**: Most modern systems have patched this long ago.…