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binutils: several security fixes

Browse Source 
CVE-2014-8484
CVE-2014-8485
CVE-2014-8501
CVE-2014-8502
CVE-2014-8503
CVE-2014-8504
CVE-2014-8737

and one supporting patch.

[Yocto # 7084]

(From OE-Core rev: 859fb4d9ec6974be9ce755e4ffefd9b199f3604c)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Armin Kuster
2014-12-26 08:51:53 -08:00
committed by Richard Purdie
parent 508c95d989
commit 6dde745bf9
9 changed files with 1148 additions and 0 deletions
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89
meta/recipes-devtools/binutils/binutils/binutils_CVE-2014-8502.patch Normal file
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@@ -0,0 +1,89 @@
Upstream-Status: Backport
CVE-2014-8502 fix.
[YOCTO #7084]
Signed-off-by: Armin Kuster <akuster808@gmail.com>
From 5a4b0ccc20ba30caef53b01bee2c0aaa5b855339 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Tue, 28 Oct 2014 15:42:56 +0000
Subject: [PATCH] More fixes for corrupt binaries crashing the binutils.
PR binutils/17512
* elf.c (bfd_section_from_shdr): Allocate and free the recursion
detection table on a per-bfd basis.
* peXXigen.c (pe_print_edata): Handle binaries with a truncated
export table.
---
bfd/ChangeLog | 8 ++++++++
bfd/elf.c | 16 +++++++++++++---
bfd/peXXigen.c | 9 +++++++++
3 files changed, 30 insertions(+), 3 deletions(-)
Index: binutils-2.24/bfd/peXXigen.c
===================================================================
--- binutils-2.24.orig/bfd/peXXigen.c
+++ binutils-2.24/bfd/peXXigen.c
@@ -1438,6 +1438,15 @@ pe_print_edata (bfd * abfd, void * vfile
}
}
+ /* PR 17512: Handle corrupt PE binaries. */
+ if (datasize < 36)
+ {
+ fprintf (file,
+ _("\nThere is an export table in %s, but it is too small (%d)\n"),
+ section->name, (int) datasize);
+ return TRUE;
+ }
+
fprintf (file, _("\nThere is an export table in %s at 0x%lx\n"),
section->name, (unsigned long) addr);
Index: binutils-2.24/bfd/elf.c
===================================================================
--- binutils-2.24.orig/bfd/elf.c
+++ binutils-2.24/bfd/elf.c
@@ -1576,6 +1576,7 @@ bfd_section_from_shdr (bfd *abfd, unsign
const char *name;
bfd_boolean ret = TRUE;
static bfd_boolean * sections_being_created = NULL;
+ static bfd * sections_being_created_abfd = NULL;
static unsigned int nesting = 0;
if (shindex >= elf_numsections (abfd))
@@ -1588,13 +1589,20 @@ bfd_section_from_shdr (bfd *abfd, unsign
loop. Detect this here, by refusing to load a section that we are
already in the process of loading. We only trigger this test if
we have nested at least three sections deep as normal ELF binaries
- can expect to recurse at least once. */
+ can expect to recurse at least once.
+
+ FIXME: It would be better if this array was attached to the bfd,
+ rather than being held in a static pointer. */
+
+ if (sections_being_created_abfd != abfd)
+ sections_being_created = NULL;
if (sections_being_created == NULL)
{
/* FIXME: It would be more efficient to attach this array to the bfd somehow. */
sections_being_created = (bfd_boolean *)
bfd_zalloc (abfd, elf_numsections (abfd) * sizeof (bfd_boolean));
+ sections_being_created_abfd = abfd;
}
if (sections_being_created [shindex])
{
@@ -2098,7 +2106,10 @@ bfd_section_from_shdr (bfd *abfd, unsign
if (sections_being_created)
sections_being_created [shindex] = FALSE;
if (-- nesting == 0)
+ {
sections_being_created = NULL;
+ sections_being_created_abfd = abfd;
+ }
return ret;
}