[Bug backends/24075] Program Crash due to buffer over-read in ebl_object_note function in eblobjnote.c in libebl.

mark at klomp dot org sourceware-bugzilla@sourceware.org
Tue Jan 29 23:09:00 GMT 2019


https://sourceware.org/bugzilla/show_bug.cgi?id=24075

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Mark Wielaard <mark at klomp dot org> ---
Nice find. The property data is padded and we also must make sure that the
extra padding fits the note description.

commit cd7ded3df43f655af945c869976401a602e46fcd (HEAD -> master)
Author: Mark Wielaard <mark@klomp.org>
Date:   Wed Jan 30 00:04:11 2019 +0100

    libebl: Check GNU property note data padding fits inside note.

    The GNU property note data is padded. Make sure the extra padding
    still fits in the note description.

    https://sourceware.org/bugzilla/show_bug.cgi?id=24075

    Signed-off-by: Mark Wielaard <mark@klomp.org>

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