First published: Fri Apr 06 2007(Updated: )
The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
MIT Kerberos 5 | <1.6.1 | |
Debian GNU/Linux | =3.1 | |
Debian GNU/Linux | =4.0 | |
Ubuntu Linux | =6.10 | |
Ubuntu Linux | =5.10 | |
Ubuntu Linux | =6.06 |
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CVE-2007-0956 is a critical vulnerability that allows remote attackers to bypass authentication in the telnet daemon.
To fix CVE-2007-0956, update to MIT Kerberos 5 version 1.6.1 or later.
CVE-2007-0956 affects multiple versions of MIT Kerberos 5 as well as Debian and Ubuntu Linux distributions.
Yes, CVE-2007-0956 can be exploited remotely by attackers who send specially crafted usernames.
Yes, CVE-2007-0956 is similar in nature to CVE-2007-0882, both involving authentication bypass issues.