[oe-commits] [openembedded-core] 18/51: binutils: CVE-2017-7304

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commit fcadfc35ebe90d3f0f3aa0db8caeddb5c07c3120
Author: Thiruvadi Rajaraman <trajaraman at mvista.com>
AuthorDate: Mon Sep 4 16:47:25 2017 +0530

    binutils: CVE-2017-7304
    
    Source: git://sourceware.org/git/binutils-gdb.git
    MR: 74192
    Type: Security Fix
    Disposition: Backport from binutils-2_28-branch
    ChangeID: 9a4c249becded1b479c0b9e9f175aebb80294317
    Description:
    
      Fix seg-fault in strip when copying a corrupt binary.
    
            PR binutils/20931
            * elf.c (copy_special_section_fields): Check for an invalid
            sh_link field before attempting to follow it.
    
    Affects: <= 2.28
    
    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-2017-7304.patch          | 53 ++++++++++++++++++++++
 2 files changed, 54 insertions(+)

diff --git a/meta/recipes-devtools/binutils/binutils-2.27.inc b/meta/recipes-devtools/binutils/binutils-2.27.inc
index b60aa8a..d1ad198 100644
--- a/meta/recipes-devtools/binutils/binutils-2.27.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.27.inc
@@ -66,6 +66,7 @@ SRC_URI = "\
      file://CVE-2017-7301.patch \
      file://CVE-2017-7302.patch \
      file://CVE-2017-7303.patch \
+     file://CVE-2017-7304.patch \
 "
 S  = "${WORKDIR}/git"
 
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch
new file mode 100644
index 0000000..817a3f0
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-7304.patch
@@ -0,0 +1,53 @@
+commit 4f3ca05b487e9755018b4c9a053a2e6c35d8a7df
+Author: Nick Clifton <nickc at redhat.com>
+Date:   Tue Dec 6 16:53:57 2016 +0000
+
+    Fix seg-fault in strip when copying a corrupt binary.
+    
+        PR binutils/20931
+        * elf.c (copy_special_section_fields): Check for an invalid
+        sh_link field before attempting to follow it.
+
+Upstream-Status: Backport
+
+CVE: CVE-2017-7304
+Signed-off-by: Thiruvadi Rajaraman <trajaraman at mvista.com>
+
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog	2017-09-04 16:13:03.512095249 +0530
++++ git/bfd/ChangeLog	2017-09-04 16:16:25.173745111 +0530
+@@ -114,6 +114,12 @@
+        (bfd_elf_final_link): Only initialize the extended symbol index
+        section if there are extended symbol tables to list.
+ 
++ 2016-12-06  Nick Clifton  <nickc at redhat.com>
++ 
++       PR binutils/20931
++       * elf.c (copy_special_section_fields): Check for an invalid
++       sh_link field before attempting to follow it.
++
+ 2016-12-05  Nick Clifton  <nickc at redhat.com>
+  
+        PR binutils/20905
+Index: git/bfd/elf.c
+===================================================================
+--- git.orig/bfd/elf.c	2017-09-04 16:13:03.512095249 +0530
++++ git/bfd/elf.c	2017-09-04 16:15:38.257359045 +0530
+@@ -1324,6 +1324,16 @@
+      in the input bfd.  */
+   if (iheader->sh_link != SHN_UNDEF)
+     {
++      /* See PR 20931 for a reproducer.  */
++      if (iheader->sh_link >= elf_numsections (ibfd))
++	{
++	  (* _bfd_error_handler)
++	    /* xgettext:c-format */
++	    (_("%B: Invalid sh_link field (%d) in section number %d"),
++	     ibfd, iheader->sh_link, secnum);
++	  return FALSE;
++	}
++
+       sh_link = find_link (obfd, iheaders[iheader->sh_link], iheader->sh_link);
+       if (sh_link != SHN_UNDEF)
+ 	{

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