[Bug tools/25069] AddressSanitizer: heap-buffer-overflow at libdwelf/dwelf_strtab.c:284

mark at klomp dot org sourceware-bugzilla@sourceware.org
Tue Oct 29 14:49:00 GMT 2019


https://sourceware.org/bugzilla/show_bug.cgi?id=25069

Mark Wielaard <mark at klomp dot org> changed:

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

--- Comment #6 from Mark Wielaard <mark at klomp dot org> ---
commit b2dddd3389a8005a7e93bc21b2932156899e1aac
Author: Mark Wielaard <mark@klomp.org>
Date:   Sat Oct 26 22:54:49 2019 +0200

    unstrip: Check symbol strings are terminated.

    A corrupt ELF file could contain a .strtab section that wasn't
    properly zero terminated. If so we could add a non-terminated string
    to the dwelf_strtab functions, which could then crash because they
    would read past the .strtab section data.

    https://sourceware.org/bugzilla/show_bug.cgi?id=25069

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

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