CVE-2007-4321

fail2ban 0.8 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol version identification containing an IP address string, a different vector than CVE-2006-6302.

Score
CVSS 2.0 6.8 Medium
Status
Modified - cve@mitre.org
Published
2007-08-14
Last modified
2024-08-07

Affected products

References

 
 
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