Vulnerability Details CVE-2007-4322
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.4%
CVSS Severity
CVSS v2 Score 6.8
References
Products affected by CVE-2007-4322
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cpe:2.3:a:ac_zoom:blockhosts:2.0.4