Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11) misinterprets certain client "-f" sequences as valid requests for the login program to skip authentication, which allows remote attackers to log into certain accounts, as demonstrated by the bin account.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2202
https://euvd.enisa.europa.eu/vulnerability/EUVD-2007-0878
http://www.vupen.com/english/advisories/2007/0560
http://www.us-cert.gov/cas/techalerts/TA07-059A.html
http://www.securitytracker.com/id?1017625
http://www.securityfocus.com/bid/22512
http://www.securityfocus.com/archive/1/460103/100/100/threaded
http://www.securityfocus.com/archive/1/460086/100/100/threaded
http://www.securityfocus.com/archive/1/459980/100/0/threaded
http://www.securityfocus.com/archive/1/459855/100/0/threaded
http://www.securityfocus.com/archive/1/459843/100/0/threaded
http://www.securityfocus.com/archive/1/459831/100/0/threaded
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102802-1
http://secunia.com/advisories/24120
http://isc.sans.org/diary.html?storyid=2220
http://erratasec.blogspot.com/2007/02/trivial-remote-solaris-0day-disable.html