binutls: Security fix CVE-2017-8395

Affects: <= 2.28

(From OE-Core rev: b6c2ce1cd3907f5c6f5dcff0afb971d000e7c9bc)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 73 insertions, 0 deletions

diff --git a/meta/recipes-devtools/binutils/binutils-2.28.inc b/meta/recipes-devtools/binutils/binutils-2.28.inc
index 8334a4c270..8c91f4c920 100644
--- a/meta/recipes-devtools/binutils/binutils-2.28.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.28.inc
@@ -47,6 +47,7 @@ SRC_URI = "\
      file://CVE-2017-7614.patch \
      file://CVE-2017-8393.patch \
      file://CVE-2017-8394.patch \
+     file://CVE-2017-8395.patch \
 "
 S  = "${WORKDIR}/git"
 
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-8395.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-8395.patch
new file mode 100644
index 0000000000..0a9bce3372
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-8395.patch
@@ -0,0 +1,72 @@
+From e63d123268f23a4cbc45ee55fb6dbc7d84729da3 Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Wed, 26 Apr 2017 13:07:49 +0100
+Subject: [PATCH] Fix seg-fault attempting to compress a debug section in a
+ corrupt binary.
+
+        PR binutils/21431
+        * compress.c (bfd_init_section_compress_status): Check the return
+        value from bfd_malloc.
+
+Upstream-Status: Backport
+CVE: CVE-2017-8395
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ bfd/ChangeLog  |  6 ++++++
+ bfd/compress.c | 19 +++++++++----------
+ 2 files changed, 15 insertions(+), 10 deletions(-)
+
+Index: git/bfd/compress.c
+===================================================================
+--- git.orig/bfd/compress.c
++++ git/bfd/compress.c
+@@ -542,7 +542,6 @@ bfd_init_section_compress_status (bfd *a
+ {
+   bfd_size_type uncompressed_size;
+   bfd_byte *uncompressed_buffer;
+-  bfd_boolean ret;
+ 
+   /* Error if not opened for read.  */
+   if (abfd->direction != read_direction
+@@ -558,18 +557,18 @@ bfd_init_section_compress_status (bfd *a
+   /* Read in the full section contents and compress it.  */
+   uncompressed_size = sec->size;
+   uncompressed_buffer = (bfd_byte *) bfd_malloc (uncompressed_size);
++  /* PR 21431 */
++  if (uncompressed_buffer == NULL)
++    return FALSE;
++
+   if (!bfd_get_section_contents (abfd, sec, uncompressed_buffer,
+                                 0, uncompressed_size))
+-    ret = FALSE;
+-  else
+-    {
+-      uncompressed_size = bfd_compress_section_contents (abfd, sec,
+-                                                        uncompressed_buffer,
+-                                                        uncompressed_size);
+-      ret = uncompressed_size != 0;
+-    }
++    return FALSE;
+ 
+-  return ret;
++  uncompressed_size = bfd_compress_section_contents (abfd, sec,
++                                                    uncompressed_buffer,
++                                                    uncompressed_size);
++  return uncompressed_size != 0;
+ }
+ 
+ /*
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,8 @@
++2017-04-26  Nick Clifton  <nickc@redhat.com>
++
++       PR binutils/21431
++       * compress.c (bfd_init_section_compress_status): Check the return
++       value from bfd_malloc.
+ 
+ 2017-04-23  Alan Modra  <amodra@gmail.com>
+        PR 21414