Re: [Full-disclosure] mutt buffer overflow

From: Frank Denis (Jedi/Sector One) (j_at_pureftpd.org)
Date: 08/18/05

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    Date: Thu, 18 Aug 2005 12:39:45 +0159
To: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk

      Peter,

    On Thu, Aug 18, 2005 at 02:57:33AM -0600, Peter Valchev wrote:
    >The problem is in the mutt attachment/encoding/decoding functions,
    >specifically handler.c:mutt_decode_xbit() and the buffer
    >bufi[BUFI_SIZE].

      Can you reproduce this if you recompile libiconv/gettext/mutt?
      
      I reported that bug on Jul 12, but in fact it only happened with
    libiconv/gettext compiled against an OpenBSD libc before the mb*() changes,
    but then running libc 38.2.

      An easier way to trigger this is ftp://ftp.00f.net/misc/mutt-crash-poc.mbox
      
      But the mutt's code doesn't actually look wrong.

      Best regards,
      
         -Frank.
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