FW: IBM AS/400 HTTP Server '/' attack

FYI....

> -----Original Message-----
> From: 'ken'@FTU
> Sent: Thursday, November 08, 2001 8:42 AM
> To: bugtraq
> Subject: IBM AS/400 HTTP Server '/' attack
>
>
>    IBM's HTTP Server on the AS/400 platform is vulnerable to an attack
> that will show the source code of the page -- such as an .html or .jsp
> page -- by attaching an '/' to the end of a URL.
>
> Compare these two URL's:
>
> http://www.foo.com/getsource.jsp
>
> http://www.foo.com/getsource.jsp/
>
> The later URL will deliver the jsp source to the browser.
>
> I reported this problem to IBM approximately 9 or 10 months ago.
>
> I was told it was a bug but not a security vulnerability. When I
> explained that Microsoft had a similar bug (asp dot bug) they told me
> that "they did not share the same source code base." I replied to this
> ludicrous reply: "Isn't it possible that since you developed servers
> that function in a similar manner you have the same logical bug?" To
> this they were speechless. I imagine that a .jsp page could
> contain user
> names and passwords if they are accessing databases,
> especially if these
> databases are on the network.
>
> By the way, the IBM HTTP server was derived from an early version of
> Apache. I have not seen Apache servers vulnerable to this bug.
>
> Since I reported this "non-security" bug so long ago I hope
> it is fixed
> through the regular set of changes. I cannot confirm this bug
> was fixed.
> As far as I know this vulnerability was not yet reported to
> the public.
>
> 'ken'
>
>