Re: New vulnerability in IIS4.0/5.0

From: César González (cesar@eureka-sistemas.com)
Date: Wed Sep 19 2001 - 14:30:42 PDT

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    >
    > Has anyone managed to exploit a patched system?
    
    I have tested the vulnerability in a patched W2k spanish version 100% free of 
    UNICODE vulnerability. I cant exploit nothing but there are a diference 
    between an attack with the UNICODE representation and the UTF one. Look :
    
    With UNICODE :
    
    HTTP/1.1 404 Objeto no encontrado
    Server: Microsoft-IIS/5.0
    Date: Wed, 19 Sep 2001 21:15:31 GMT
    Content-Length: 3404
    Content-Type: text/html
    
    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
    <html dir=ltr>
    
    <head>
    .....
    .....
    ..... the usual not found page.....
    
    with UTF :
    
    HTTP/1.1 500 Error del servidor
    Server: Microsoft-IIS/5.0
    Date: Wed, 19 Sep 2001 21:16:29 GMT
    Content-Type: text/html
    Content-Length: 88
     
    <html><head><title>Error</title></head><body>El parámetro no es correcto. 
    </body></html>
    
    I have "The paremeter is incorrect" for response.
    Note the HTTP/1.1 500 (Server Error) in difference with the last HTTP/1.1 404 
    (not found)
    
    strange....
    Other experiences?
    
    César González Revilla
    Eureka Sistemas S.L.
    C/ San Fernando 16 bajo
    39010 Santander
    
    http://www.eureka-sistemas.com/
    
    cesar@eureka-sistemas.com 
    
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