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WebWho+ ADVISORY
From: hhp () HHP PERLX COM (Cody T. - hhp)
Date: Sun, 26 Dec 1999 04:04:59 -0600


              WebWho+ - ADVISORY.
                 hhp-ADV#13
            11/26/99 2:48:03am CST
                By: loophole
    hhp () hhp perlx com - http://hhp.perlx.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
What?: Hole in WebWho+, a whois cgi.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Version(s)?: v1.1
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Exploit!:
WebWho+ v1.1  checks  for  shell escape
characters  in its 'command' parameter,
but what keeps us from changing the pre
seleted, default TLD options.

WebWho+ v1.1 does NOT check for shell
espace  characters in its 'type'(TLD)
peremeter  which  is  what  is  being
exploited.

The exploit is available to download via:
http://hhp.perlx.com/ourexploits/hhp-webwho.pl
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix?:
Download a secure, shell espace character
parsing  whois  common  gateway interface
from:
http://cgi.resourceindex.com/Programs_and_
Scripts/Perl/Internet_Utilities/Whois/

Read:
http://hhp.perlx.com/ouradvisories/hhp-Whois.txt
before deciding which is secure.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Shouts to all of hhp.
9d9->2t0(Boom/Repair/Glory);
------------------------------------------------


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