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From: -mat- filid brandy (brandyKLAMMERAFFE.ORG)
Date: Sat Apr 21 2001 - 13:19:00 CDT

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    This is a forwarded message
    From: Bat Registrierservice <bathelpis-web.com>
    To: GardenStoneboudicca.de <GardenStoneboudicca.de>
    Date: Saturday, April 21, 2001, 5:34:36 PM
    Subject: The Bat! - Fehlermeldung [BUG-F8FEFAE1]

    ===8<==============Original message text===============
    Nachricht vom : Freitag, 20. April 2001 <11:21>
    zum Thema : The Bat! - Fehlermeldung [BUG-F8FEFAE1]
    Bearbeitung: dhu <21.04.2001 - 17:32> Dieter Hummel
    Status: done5e

    Antwort von Ritlabs:

      This is not a bug of The Bat! but a bug of MTA (POP3/SMTP servers)
      that allow such odd messages. The proposed "bad-message"
      (http://www.security.nnov.ru/files/badmess.zip) is not
      RFC-compliant. Any RFC-compliant POP3/SMTP server must either bounce
      or cure it. I've used a proposed example to send the message to
      myself, on a FreeBSD server with Sendmail 8.11.1 I've typed
      cat badmess | sendmail -U maxritlabs.com

      This message has been received by a KSI-Linux server with sendmail
      8.8.8 and the POP3 to retrieve was Marc Crispin's daemon v2000.69.

      The message has been received with orphaned LF's replaced to CR-LF
      pairs. Some MTA software in transit has cured the message.

      The Bat! could bounce such odd messages but it doesn't do it
      intentionally because there are some odd mailserver that use single
      LF as a line endings. These servers, however, will quote the dot in
      the end of line and the proposed "bad-message" won't work with them

     ...und eine weitere kurz hinterher:

      I however made The Bat! to handle CR and LF that strictly to avoid
      this vulnerability.

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