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[Bug binutils/21665] Multiple heap based buffer overflow in the objdump


From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/21665] Multiple heap based buffer overflow in the objdump tool of the GNU Binutils.
Date: Mon, 26 Jun 2017 14:26:36 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=21665

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Nick Clifton <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cfd14a500e0485374596234de4db10e88ebc7618

commit cfd14a500e0485374596234de4db10e88ebc7618
Author: Nick Clifton <address@hidden>
Date:   Mon Jun 26 15:25:08 2017 +0100

    Fix address violations when atempting to parse fuzzed binaries.

        PR binutils/21665
    bfd * opncls.c (get_build_id): Check that the section is beig enough
        to contain the whole note.
        * compress.c (bfd_get_full_section_contents): Check for and reject
        a section whoes size is greater than the size of the entire file.
        * elf32-v850.c (v850_elf_copy_notes): Allow for the ouput to not
        contain a notes section.

    binutils* objdump.c (disassemble_section): Skip any section that is bigger
        than the entire file.

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