[OE-core] [pyro][PATCH 05/26] binutls: Security fix CVE-2017-8395

Armin Kuster akuster808 at gmail.com
Mon Nov 27 02:34:51 UTC 2017


Affects: <= 2.28

Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 meta/recipes-devtools/binutils/binutils-2.28.inc   |  1 +
 .../binutils/binutils/CVE-2017-8395.patch          | 72 ++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2017-8395.patch

diff --git a/meta/recipes-devtools/binutils/binutils-2.28.inc b/meta/recipes-devtools/binutils/binutils-2.28.inc
index 8334a4c..8c91f4c 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 0000000..0a9bce3
--- /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 at 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 at 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 at 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 at gmail.com>
+        PR 21414
-- 
2.7.4




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