binutls: Secuirty fix for CVE-2017-9756

Affects: <= 2.28

Signed-off-by: Armin Kuster <akuster808@gmail.com>

diff --git a/meta/recipes-devtools/binutils/binutils-2.28.inc b/meta/recipes-devtools/binutils/binutils-2.28.inc
index b4299c8897c4d1d5e39f0bbdfdc31eb7f5747155..a2b2901b637d95e0a8741aff73737a770d1891e4 100644 (file)
--- a/meta/recipes-devtools/binutils/binutils-2.28.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.28.inc
@@ -66,6 +66,7 @@ SRC_URI = "\
      file://CVE-2017-9752.patch \
      file://CVE-2017-9753.patch \
      file://CVE-2017-9755.patch \
+     file://CVE-2017-9756.patch \
 "
 S  = "${WORKDIR}/git"
 

diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch
new file mode 100644 (file)
index 0000000..191d0be
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-9756.patch
@@ -0,0 +1,50 @@
+From cd3ea7c69acc5045eb28f9bf80d923116e15e4f5 Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Thu, 15 Jun 2017 13:26:54 +0100
+Subject: [PATCH] Prevent address violation problem when disassembling corrupt
+ aarch64 binary.
+
+       PR binutils/21595
+       * aarch64-dis.c (aarch64_ext_ldst_reglist): Check for an out of
+       range value.
+
+Upstream-Status: Backport
+CVE: CVE-2017-9756
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ opcodes/ChangeLog     | 6 ++++++
+ opcodes/aarch64-dis.c | 3 +++
+ 2 files changed, 9 insertions(+)
+
+Index: git/opcodes/ChangeLog
+===================================================================
+--- git.orig/opcodes/ChangeLog
++++ git/opcodes/ChangeLog
+@@ -6,6 +6,12 @@
+ 
+ 2017-06-15  Nick Clifton  <nickc@redhat.com>
+ 
++      PR binutils/21595
++      * aarch64-dis.c (aarch64_ext_ldst_reglist): Check for an out of
++      range value.
++
++2017-06-15  Nick Clifton  <nickc@redhat.com>
++
+       PR binutils/21588
+       * rl78-decode.opc (OP_BUF_LEN): Define.
+       (GETBYTE): Check for the index exceeding OP_BUF_LEN.
+Index: git/opcodes/aarch64-dis.c
+===================================================================
+--- git.orig/opcodes/aarch64-dis.c
++++ git/opcodes/aarch64-dis.c
+@@ -409,6 +409,9 @@ aarch64_ext_ldst_reglist (const aarch64_
+   info->reglist.first_regno = extract_field (FLD_Rt, code, 0);
+   /* opcode */
+   value = extract_field (FLD_opcode, code, 0);
++  /* PR 21595: Check for a bogus value.  */
++  if (value >= ARRAY_SIZE (data))
++    return 0;
+   if (expected_num != data[value].num_elements || data[value].is_reserved)
+     return 0;
+   info->reglist.num_regs = data[value].num_regs;