CVE-2007-4322 Information

Description

BlockHosts before 2.0.4 does not properly parse (1) sshd and (2) vsftpd log files which allows remote attackers to add arbitrary deny entries to the /etc/hosts.allow file and cause a denial of service by adding arbitrary IP addresses to a daemon log file as demonstrated by connecting through ssh with a client protocol version identification containing an IP address string or connecting through ftp with a username containing an IP address string different vectors than CVE-2007-2765.

Reference

http://osvdb.org/36515 http://www.aczoom.com/tools/blockhosts/CHANGES http://www.ossec.net/en/attacking-loganalysis.html