bugtraq - Eudora 5.2.1 attachment spoof

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Message-ID: <200305220454.h4M4sDR91626@milan.maths.usyd.edu.au>
Date: Thu, 22 May 2003 14:54:13 +1000 (EST)
From: psz@...hs.usyd.edu.au (Paul Szabo)
To: NTBugtraq@...tserv.ntbugtraq.com, bugtraq@...urityfocus.com,
   full-disclosure@...ts.netsys.com
Subject: Eudora 5.2.1 attachment spoof


Qualcomm Eudora 5.2.1 has been released recently. Quoting from
http://www.eudora.com/download/eudora/windows/5.2.1/RelNotes.txt :

> Improved guarding against spoofed Attachment Converted: lines.

Attachments can still be spoofed by including a CR (ctrl-M, x0d, ASCII 13)
character anywhere within the "Attachment Converted:" string [these get
converted internally into a NUL (x00) and ignored], e.g.:

Attachments can still be spoofed by including a CR=x0d character anywhere
within the "Attachment Converted:" string (these get converted internally
into a NUL=x00 and ignored), e.g.:


Attachment<CR> Converted: "c:\winnt\system32\calc.exe" NoAttachIcon
Attachment
 Converted: "c:\winnt\system32\calc.exe" NoAttachIcon

(First line with four-character <CR> marker for the sake of Eudora users.)

For history, please see also:
  http://www.securityfocus.com/archive/1/299730
  http://www.securityfocus.com/archive/1/286634

Cheers,

Paul Szabo - psz@...hs.usyd.edu.au  http://www.maths.usyd.edu.au:8000/u/psz/
School of Mathematics and Statistics  University of Sydney   2006  Australia
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