CVE-2006-6301 Information

Description

DenyHosts 2.5 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 login name containing certain strings with an IP address which is not properly handled by a regular expression.

Reference

http://bugs.gentoo.org/show_bug.cgi?id=157163 http://secunia.com/advisories/23236 http://secunia.com/advisories/23603 http://security.gentoo.org/glsa/glsa-200701-01.xml http://www.securityfocus.com/bid/21468 http://www.vupen.com/english/advisories/2006/4876 https://exchange.xforce.ibmcloud.com/vulnerabilities/30761