Buffer overflow in login in various System V based operating systems allows remote attackers to execute arbitrary commands via a large number of arguments through services such as telnet and rlogin.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2025
https://exchange.xforce.ibmcloud.com/vulnerabilities/7284
http://xforce.iss.net/alerts/advise105.php
http://www.securityfocus.com/archive/1/246487
http://www.kb.cert.org/vuls/id/569272
http://www.cert.org/advisories/CA-2001-34.html
http://www-1.ibm.com/support/search.wss?rs=0&q=IY26221&apar=only
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/213