CVE-2001-1444 Information

Description

The Kerberos Telnet protocol as implemented by KTH Kerberos IV and Kerberos V (Heimdal) does not encrypt authentication and encryption options sent from the server which allows remote attackers to downgrade authentication and encryption mechanisms via a man-in-the-middle attack.

Reference

http://josefsson.org/ktelnet/kerberos-telnet.html http://www.kb.cert.org/vuls/id/774587 https://exchange.xforce.ibmcloud.com/vulnerabilities/10640