Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://josefsson.org/ktelnet/kerberos-telnet.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/10640
- http://www.kb.cert.org/vuls/id/774587
ADP enrichment
No English description supplied.