[29632] in bugtraq
Re: BEA WebLogic internal hostname disclosure
daemon@ATHENA.MIT.EDU (Kurt Seifried)
Thu Apr 3 18:11:06 2003
Message-ID: <005301c2f9bf$7e2d8f60$1500020a@bigdog>
Reply-To: "Kurt Seifried" <kurt@seifried.org>
From: "Kurt Seifried" <kurt@seifried.org>
To: "Michael Hendrickx" <michael@scanit.be>, <bugtraq@securityfocus.com>
Date: Thu, 3 Apr 2003 01:00:37 -0800
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> Hi,
>
> During a penentration test, I discovered that the BEA Weblogic Server
> reveals it hostname (on windows machines NetBIOS name) while sending the
> following request:
>
> GET . HTTP/1.0\r\n\r\n
>
> On older systems (Weblogic 7.0), a simple "BLAH . BLAH\r\n\r\n" will do
> the same trick. BEA was contacted about two weeks ago, but I haven't
> heard from them (yet).
>
> Regards,
> Michael
Reveals hostname:
./
.//
.//////////////
.%20
.%20%20
..
Does not reveal hostname:
...
.a
.1
.\
.%21
Seems that a single "." or a "." followed by a "special" character such as
"/" or %20 (space) works. Don't know what other "special" characters work.
Kurt Seifried, kurt@seifried.org
A15B BEE5 B391 B9AD B0EF
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http://seifried.org/security/
