iOpus Secure Email Attachments Password Weakness May Let Remote Users Decrypt Attachments
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SecurityTracker Alert ID: 1015980
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SecurityTracker URL: http://securitytracker.com/id?1015980
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Apr 24 2006
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Impact: Disclosure of user information
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Exploit Included: Yes
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Description: A vulnerability was reported in iOpus Secure Email Attachments. A remote user can decrypt attachments without supplying the full password.
Depending on the encryption password selected by the user to encrypt an attachment, the password-based encryption implementation
may not require the full password to decrypt the document.
A password with a recurring pattern may only require a portion of
the pattern to decrypt the attachment.
The original advisory is available at:
http://www.safehack.com/Advisory/iopusemail.txt
NtWaK0
and NoPh0BiA from SafeHack.com discovered this vulnerability.
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Impact: A remote user can decrypt attachments without supplying the full password.
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Solution: No solution was available at the time of this entry.
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Vendor URL: www.iopus.com/freeware/secure%2Demail/ (Links to External Site)
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Cause: Access control error
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Underlying OS: Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 24 Apr 2006 13:00:09 -0400
Subject: iOpus Secure Email Attachments
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http://www.safehack.com/Advisory/iopusemail.txt
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