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binutils: Security fix for CVE-2017-9954 

Affects: <= 2.28
(From OE-Core rev: 85ad166e6487abcd6395569e71fa81e273d47a9d)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Armin Kuster 2017-11-26 16:34:10 -08:00 committed by Richard Purdie
parent 4aff74cf1e
commit f52aa25197
2 changed files with 59 additions and 0 deletions
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1
meta/recipes-devtools/binutils/binutils-2.28.inc
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@ -67,6 +67,7 @@ SRC_URI = "\
file://CVE-2017-9753.patch \
file://CVE-2017-9755.patch \
file://CVE-2017-9756.patch \
file://CVE-2017-9954.patch \
"
S = "${WORKDIR}/git"

58
meta/recipes-devtools/binutils/binutils/CVE-2017-9954.patch Normal file
View File

@ -0,0 +1,58 @@
From 04e15b4a9462cb1ae819e878a6009829aab8020b Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Mon, 26 Jun 2017 15:46:34 +0100
Subject: [PATCH] Fix address violation parsing a corrupt texhex format file.
PR binutils/21670
* tekhex.c (getvalue): Check for the source pointer exceeding the
end pointer before the first byte is read.
Upstream-Status: Backport
CVE: CVE_2017-9954
Signed-off-by: Armin Kuster <akuster@mvista.com>
---
bfd/ChangeLog | 6 ++++++
bfd/tekhex.c | 6 +++++-
2 files changed, 11 insertions(+), 1 deletion(-)
Index: git/bfd/tekhex.c
===================================================================
--- git.orig/bfd/tekhex.c
+++ git/bfd/tekhex.c
@@ -273,6 +273,9 @@ getvalue (char **srcp, bfd_vma *valuep,
bfd_vma value = 0;
unsigned int len;
+ if (src >= endp)
+ return FALSE;
+
if (!ISHEX (*src))
return FALSE;
@@ -514,9 +517,10 @@ pass_over (bfd *abfd, bfd_boolean (*func
/* To the front of the file. */
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return FALSE;
+
while (! is_eof)
{
- char src[MAXCHUNK];
+ static char src[MAXCHUNK];
char type;
/* Find first '%'. */
Index: git/bfd/ChangeLog
===================================================================
--- git.orig/bfd/ChangeLog
+++ git/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-26 Nick Clifton <nickc@redhat.com>
+
+ PR binutils/21670
+ * tekhex.c (getvalue): Check for the source pointer exceeding the
+ end pointer before the first byte is read.
+
2017-06-15 Nick Clifton <nickc@redhat.com>
PR binutils/21582