The "screen dump" feature in Eterm 0.9.1 and earlier allows attackers to overwrite arbitrary files via a certain character escape sequence when it is echoed to a user's terminal, e.g. when the user views a file containing the malicious sequence.
http://www.securityfocus.com/bid/6936
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:040
http://www.iss.net/security_center/static/11413.php
http://marc.info/?l=bugtraq&m=104612710031920&w=2
http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0093.html