binutils: fix CVE-2019-9074 CVE-2019-9075 CVE-2019-9076 CVE-2019-9077

(From OE-Core rev: 0e366eda53f6f440708531ed8cb2ac4941ca428f)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 37 insertions, 0 deletions

diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2019-9077.patch b/meta/recipes-devtools/binutils/binutils/CVE-2019-9077.patch
new file mode 100644
index 0000000000..11ecb71b2e
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2019-9077.patch
@@ -0,0 +1,37 @@
+From f7bbc8890de45df6eda0ddef5dd04f835f54eecf Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Wed, 20 Feb 2019 17:03:47 +0000
+Subject: [PATCH] Fix a illegal memory access fault when parsing a corrupt MIPS
+ option section using readelf.
+
+        PR 24243
+        * readelf.c (process_mips_specific): Check for an options section
+        that is too small to even contain a single option.
+
+Upstream-Status: Backport [https://github.com/bminor/binutils-gdb/commit/7fc0c668f2aceb8582d74db1ad2528e2bba8a921]
+CVE: CVE-2019-9077
+Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
+---
+ binutils/readelf.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/binutils/readelf.c b/binutils/readelf.c
+index 9df3742..18ab806 100644
+--- a/binutils/readelf.c
++++ b/binutils/readelf.c
+@@ -16179,6 +16179,12 @@ process_mips_specific (Filedata * filedata)
+          error (_("No MIPS_OPTIONS header found\n"));
+          return FALSE;
+        }
++      /* PR 24243  */
++      if (sect->sh_size < sizeof (* eopt))
++       {
++         error (_("The MIPS options section is too small.\n"));
++         return FALSE;
++       }
+ 
+       eopt = (Elf_External_Options *) get_data (NULL, filedata, options_offset, 1,
+                                                 sect->sh_size, _("options"));
+-- 
+2.7.4
+