CVE-2005-2087 — AI Deep Analysis Summary

🚨 **Essence**: IE allows malicious HTML to instantiate `javaprxy.dll` COM object. 💥 **Consequences**: Null pointer errors, memory corruption, or arbitrary code execution in the IE environment.

🛡️ **Root Cause**: Improper handling of embedded CLSIDs in HTML documents. The flaw lies in how the browser processes the instantiation of the specific DLL.

📦 **Affected**: Microsoft Internet Explorer versions **5.01 SP4 through 6**. Specifically targets the `javaprxy.dll` component.

🕵️ **Attacker Capabilities**: Remote attackers can overwrite function pointers or data segments. This leads to **arbitrary code execution** with the privileges of the current user.

🔓 **Threshold**: **Low**. No authentication required. Exploitation relies on the victim simply **loading/viewing** a malicious HTML document.

📜 **Public Exp**: The data lists references (CERT, BID, VUPEN) but the `pocs` array is empty. Indicates advisory exists, but no specific PoC code is provided in this dataset.

🔍 **Self-Check**: Scan for IE versions 5.01 SP4 to 6. Check for the presence and usage of `javaprxy.dll` in the system path. Look for embedded CLSID references in web content.

🩹 **Fix**: Published June 30, 2005. Microsoft released patches for these legacy versions. Update IE to the latest supported version for this era.

🚧 **Workaround**: Disable Java support in IE. Use strict security zones. Avoid opening untrusted HTML files locally. Consider using a different browser.

⚠️ **Priority**: **Historical Critical**. While high impact (RCE), it affects obsolete software (IE6). For modern systems, risk is **N/A** unless running legacy VMs.