[SECURITY] Fedora 20 Update: denyhosts-2.6-29.fc20.1

DenyHosts is a Python script that analyzes the sshd server log messages to determine which hosts are attempting to hack into your system. It also determines what user accounts are being targeted. It keeps track of the frequency of attempts from each host and, upon discovering a repeated attack...

Design/Logic Flaw

DenyHosts 2.6 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...