[Bug binutils/20440] New: readelf crash in parsing compression header

[markus.leutner at campus dot tu-berlin.de]

https://sourceware.org/bugzilla/show_bug.cgi?id=20440

            Bug ID: 20440
           Summary: readelf crash in parsing compression header
           Product: binutils
           Version: 2.28 (HEAD)
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: markus.leutner at campus dot tu-berlin.de
  Target Milestone: ---

Created attachment 9423
  --> https://sourceware.org/bugzilla/attachment.cgi?id=9423&action=edit
readelf -a -g -n -u -wlLiaprmfFsoRt

Affected Versions: <= 2.28 (HEAD)
Tested system: Ubuntu 14.04LTS 64-bit
Binary: readelf, 32-bit compiled (ASAN)
Params: -a -g -n -u -wlLiaprmfFsoRt

Hi,
there is a heap overflow when parsing the compression header in readelf.

Affected functions (readelf.c, elfcomm.c):
load_specific_debug_section()
get_compression_header()
byte_get_little_endian()

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