Unknown vulnerability in the telnet KIO subsystem (telnet.protocol) of KDE 2.x 2.1 and later allows local and remote attackers to execute arbitrary code via a certain URL.
http://www.securityfocus.com/bid/6182
http://www.redhat.com/support/errata/RHSA-2002-220.html
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-079.php
http://www.kde.org/info/security/advisory-20021111-1.txt
http://www.iss.net/security_center/static/10603.php
http://www.debian.org/security/2002/dsa-204
http://secunia.com/advisories/8298