Buffer overflow in the flow daemon (flowd) in Juniper Junos 10.4 before 10.4S14, 11.4 before 11.4R7-S2, 12.1.X44 before 12.1X44-D15, 12.1X45 before 12.1X45-D10 on SRX devices, when using telnet pass-through authentication on the firewall, might allow remote attackers to execute arbitrary code via a crafted telnet message.
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10594
http://secunia.com/advisories/55109
http://www.securityfocus.com/bid/62962