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Overview

Vulnerability Score 6.8 6.8
CVE Id CVE-2007-4321
Last Modified 30 Oct 2012 10:41:32
Published 13 Aug 2007 08:17:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE

CVE-2007-4321

Summary

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.

Vulnerable Systems

Application

  • Fail2ban 0.8


References

MISC - http://www.ossec.net/en/attacking-loganalysis.html

GENTOO - GLSA-200707-13

BID - 25117

DEBIAN - DSA-1456

SECUNIA - 28374

SECUNIA - 23237

MISC - http://bugs.gentoo.org/show_bug.cgi?id=181214

OSVDB - 42484


Last Updated: 27 May 2016 10:47:18