Race condition in IPFilter firewall 3.4.3 and earlier, when configured with overlapping "return-rst" and "keep state" rules, allows remote attackers to bypass access restrictions.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/4994http://www.securityfocus.com/bid/1308http://archives.neohapsis.com/archives/bugtraq/2000-05/0326.htmlhttp://www.osvdb.org/1377
