darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Closes another memory corruption, this time due to heap overrun.

Browse source 
PR binutils/17512
	* coffgen.c (coff_get_normalized_symtab): Prevent buffer overrun.
This commit is contained in:
Nick Clifton 2014-10-30 15:52:10 +00:00
parent 3bdff46b67
commit 7e760b06b2
2 changed files with 11 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
bfd/ChangeLog
View file

@ -1,3 +1,8 @@
2014-10-30 Nick Clifton <nickc@redhat.com>
PR binutils/17512
* coffgen.c (coff_get_normalized_symtab): Prevent buffer overrun.
2014-10-29 Nick Clifton <nickc@redhat.com>
* elf.c (bfd_section_from_shdr): Fix heap use after free memory

6
bfd/coffgen.c
View file

@ -1766,8 +1766,8 @@ coff_get_normalized_symtab (bfd *abfd)
raw_src < raw_end;
raw_src += symesz, internal_ptr++)
{
unsigned int i;
bfd_coff_swap_sym_in (abfd, (void *) raw_src,
(void *) & internal_ptr->u.syment);
symbol_ptr = internal_ptr;
@ -1777,6 +1777,10 @@ coff_get_normalized_symtab (bfd *abfd)
i++)
{
internal_ptr++;
/* PR 17512: Prevent buffer overrun. */
if (internal_ptr >= internal_end)
return NULL;
raw_src += symesz;
bfd_coff_swap_aux_in (abfd, (void *) raw_src,
symbol_ptr->u.syment.n_type,