CVE-2009-0362 Information

Description

filter.d/wuftpd.conf in Fail2ban 0.8.3 uses an incorrect regular expression that allows remote attackers to cause a denial of service (forced authentication failures) via a crafted reverse-resolved DNS name (rhost) entry that contains a substring that is interpreted as an IP address a different vulnerability than CVE-2007-4321.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=514163 http://secunia.com/advisories/33890 http://www.securityfocus.com/bid/33734