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Vulnerability Score 6.8 6.8
CVE Id CVE-2007-4322
Last Modified 30 Oct 2012 10:41:32
Published 13 Aug 2007 08:17:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE



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.

Vulnerable Systems


  • Ac Zoom Blockhosts 2.0.4




OSVDB - 36515

Last Updated: 27 May 2016 10:55:04