[Bug ld/20908] LD crashes when writing linked file

[thuanpv at comp dot nus.edu.sg]

https://sourceware.org/bugzilla/show_bug.cgi?id=20908

Thuan Pham  changed:

   What|Removed |Added

 CC||thuanpv at comp dot nus.edu.sg

--- Comment #4 from Thuan Pham  ---
This is CVE-2017-7299

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[Bug ld/20908] LD crashes when writing linked file

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20908

--- Comment #3 from cvs-commit at gcc dot gnu.org  ---
The master branch has been updated by Alan Modra :

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=a961cdd5f139d3c3e09170db52bd8df7dafae13f

commit a961cdd5f139d3c3e09170db52bd8df7dafae13f
Author: Alan Modra 
Date:   Thu Dec 15 21:29:44 2016 +1030

Linking non-ELF file broken by PR20908 fix

PR ld/20968
PR ld/20908
* elflink.c (bfd_elf_final_link): Revert 2016-12-02 change.  Move
reloc counting code later after ELF flavour test.

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[Bug ld/20908] LD crashes when writing linked file

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=20908

Nick Clifton  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||nickc at redhat dot com
 Resolution|--- |FIXED

--- Comment #2 from Nick Clifton  ---
Hi Marcel,

  Thanks for reporting this bug.  The problem was that the code to emit relocs
was not checking the format of the input file before trying to read the ELF
reloc section header...  Patch applied, bug fixed.

Cheers
  Nick

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[Bug ld/20908] LD crashes when writing linked file

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20908

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

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d7f399a8de4c55eb841db6493597a587fac002de

commit d7f399a8de4c55eb841db6493597a587fac002de
Author: Nick Clifton 
Date:   Fri Dec 2 17:46:26 2016 +

Fix seg-fault in linker when passed a corrupt binary input file.

PR lf/20908
* elflink.c (bfd_elf_final_link): Check for ELF flavour binaries
when following indirect links.

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