[oe-commits] [openembedded-core] 21/51: binutils: CVE-2017-8397

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commit 6dd9179c4208c8d13f7e9c784d9993606416ab97
Author: Thiruvadi Rajaraman <trajaraman at mvista.com>
AuthorDate: Mon Sep 4 18:35:19 2017 +0530

    binutils: CVE-2017-8397
    
    Source: git://sourceware.org/git/binutils-gdb.git
    MR: 74114
    Type: Security Fix
    Disposition: Backport from binutils-2_29
    ChangeID: d55e7590c08c4db483bba2fa35df8fbb6283686e
    Description:
    
     Fix a seg-fault when processing a corrupt binary containing reloc(s) with negative addresses.
    
            PR binutils/21434
            * reloc.c (bfd_perform_relocation): Check for a negative address
            in the reloc.
    
    Affects: <= 2.29
    
    Author: Nick Clifton <nickc at redhat.com>
    Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
    Reviewed-by: Armin Kuster <akuster at mvista.com>
    Signed-off-by: Armin Kuster <akuster at mvista.com>
    Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 meta/recipes-devtools/binutils/binutils-2.27.inc   |  1 +
 .../binutils/binutils/CVE-2017-8397.patch          | 50 ++++++++++++++++++++++
 2 files changed, 51 insertions(+)

diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index ecb0cdf..a5122c5 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -69,6 +69,7 @@ SRC_URI = "\
      file://CVE-2017-7304.patch \
      file://CVE-2017-8393.patch \
      file://CVE-2017-8395.patch \
+     file://CVE-2017-8397.patch \
 "
 S  = "${WORKDIR}/git"
 
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-8397.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-8397.patch
new file mode 100644
index 0000000..f966c80
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-8397.patch
@@ -0,0 +1,50 @@
+commit 04b31182bf3f8a1a76e995bdfaaaab4c009b9cb2
+Author: Nick Clifton <nickc at redhat.com>
+Date:   Wed Apr 26 16:30:22 2017 +0100
+
+    Fix a seg-fault when processing a corrupt binary containing reloc(s) with negative addresses.
+    
+    	PR binutils/21434
+    	* reloc.c (bfd_perform_relocation): Check for a negative address
+    	in the reloc.
+
+Upstream-Status: Backport
+
+CVE: CVE-2017-8397
+Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
+
+
+
+Index: git/bfd/reloc.c
+===================================================================
+--- git.orig/bfd/reloc.c	2017-09-04 18:06:00.651987605 +0530
++++ git/bfd/reloc.c	2017-09-04 18:06:10.740066291 +0530
+@@ -623,7 +623,10 @@
+      PR 17512: file: c146ab8b, 46dff27f, 38e53ebf.  */
+   octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+   if (octets + bfd_get_reloc_size (howto)
+-      > bfd_get_section_limit_octets (abfd, input_section))
++      > bfd_get_section_limit_octets (abfd, input_section)
++      /* Check for an overly large offset which
++	 masquerades as a negative value too.  */
++      || (octets + bfd_get_reloc_size (howto) < bfd_get_reloc_size (howto)))
+     return bfd_reloc_outofrange;
+ 
+   /* Work out which section the relocation is targeted at and the
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog	2017-09-04 18:06:10.684065855 +0530
++++ git/bfd/ChangeLog	2017-09-04 18:08:33.845183050 +0530
+@@ -75,6 +75,12 @@
+ 
+ 2017-04-26  Nick Clifton  <nickc at redhat.com>
+ 
++       PR binutils/21434
++       * reloc.c (bfd_perform_relocation): Check for a negative address
++       in the reloc.
++
++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.

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