CVE-2007-4323 Information

Description

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 identification containing an IP address string a different vector than CVE-2006-6301.

Reference

http://bugs.gentoo.org/show_bug.cgi?id=181213 http://osvdb.org/42482 http://secunia.com/advisories/27254 http://security.gentoo.org/glsa/glsa-200710-14.xml http://www.ossec.net/en/attacking-loganalysis.html http://www.securityfocus.com/bid/26061 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=244943 https://exchange.xforce.ibmcloud.com/vulnerabilities/37199