CVE ID:	CVE-2007-4321
Description:	fail2ban 0.8 and earlier 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-2006-6302.
Test IDs:	1.3.6.1.4.1.25623.1.0.60133   1.3.6.1.4.1.25623.1.0.58534
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2007-4321 BugTraq ID: 25117 http://www.securityfocus.com/bid/25117 Debian Security Information: DSA-1456 (Google Search) http://www.debian.org/security/2008/dsa-1456 http://security.gentoo.org/glsa/glsa-200707-13.xml http://bugs.gentoo.org/show_bug.cgi?id=181214 http://www.ossec.net/en/attacking-loganalysis.html http://osvdb.org/42484 http://secunia.com/advisories/23237 http://secunia.com/advisories/28374