> 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
>
> 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 (at) seifried (dot) org [email concealed]
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AEB0 AD63 0B4E AD56 E574
http://seifried.org/security/
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