RE: Trendmicro - Interscan - List of BCC: is revealed when stripping attachments and notifying destination addresses

From: Florent Trupheme (ftruphemeat_private)
Date: Thu Apr 25 2002 - 01:25:55 PDT

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    Hello,
    
    The current version for interscan solaris is 1207 and correct your
    issue.
    
    regards
    
    
    
    >> -----Message d'origine-----
    >> De : Ishay Sommer [mailto:ishaybasat_private]
    >> Envoye : mercredi, 24. avril 2002 10:49
    >> A : bugtraqat_private
    >> Objet : Trendmicro - Interscan - List of BCC: is revealed when
    >> stripping attachments and notifying destination addresses
    >> 
    >> 
    >> Hello.
    >> 
    >> This email was sent to supportat_private over a week ago,
    >> so far, no response.
    >> 
    >> In the company that I work for, we use -InterScan Version
    >> 3.6-Build_1142, for
    >> stripping of unwated attachments, "Spam".
    >> No other versions have been tested.
    >> 
    >> Our sys admin has configured the mail scanner, to notify all
    >> destination addresses of a message containing such attachments, of
    >> the "Spam" alert. Meaning, that if I send a bad content message to
    >> 10 recipients, all of them receive
    >> a "Spam" alert.
    >> 
    >> The problem is that, each one of the recipients receives to his
    >> mailbox the spam warning message,
    >> including all addresses of which the original message was sent to,
    >> even if they were sent as Bcc:
    >> 
    >> For example:
    >> 
    >> **************** eManager Notification *****************
    >> 
    >> The following mail was blocked since it contains sensitive
    >> content.  
    >> 
    >> Source mailbox: <ME>
    >> Destination mailbox(es): <RCPT1>,<RCPT2>,<RCPT3>
    >> Policy: Attachment Removal
    >> Attachment file name: accident.mpg - video/mpg
    >> Action: Replaced with text
    >> 
    >> The email was stripped from its attachment, since it doesn't
    >> comply with <ISP>'s Email Policy as can be viewed by <ISP>'s
    >> employees....
    >> 
    >> ******************* End of message *********************
    >> 
    >> This is a serious security disclosure vulnerability, as all of the
    >> message's recipients, now have all
    >> the email addresses who were suppose to be kept secret.
    >> 
    >> I wish to publish this vulnerability on Bugtraq, after providing
    >> you with sufficient time to correct the problem, based on your
    >> response, and our communication.
    >> 
    >> Thank you
    >> 
    >> Ishay Sommer
    >> 
    >> 
    >> 
    
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