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binutls: Security fix for CVE-2017-16832

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Affects: <= 2.29.1

(From OE-Core rev: ec8861a2f280a3210f9423fd1b687bca6340b8ca)

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Armin Kuster
2018-08-07 16:22:27 -07:00
committed by Richard Purdie
parent d40d4bf86f
commit 1abb9cc58e
2 changed files with 62 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/binutils/binutils-2.29.1.inc
View File

@@ -59,6 +59,7 @@ SRC_URI = "\
file://CVE-2017-16829.patch \ file://CVE-2017-16829.patch \
file://CVE-2017-16830.patch \ file://CVE-2017-16830.patch \
file://CVE-2017-16831.patch \ file://CVE-2017-16831.patch \
file://CVE-2017-16832.patch \
" "
S = "${WORKDIR}/git" S = "${WORKDIR}/git"

61
meta/recipes-devtools/binutils/binutils/CVE-2017-16832.patch Normal file
View File

@@ -0,0 +1,61 @@
From 0bb6961f18b8e832d88b490d421ca56cea16c45b Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Tue, 31 Oct 2017 14:29:40 +0000
Subject: [PATCH] Fix illegal memory access triggered when parsing a PE binary
with a corrupt data dictionary.
PR 22373
* peicode.h (pe_bfd_read_buildid): Check for invalid size and data
offset values.
Upstrem-Status: Backport
Affects: <= 2.29.1
CVE: CVE-2017-16832
Signed-off-by: Armin Kuster <akuster@mvista.com>
---
bfd/ChangeLog | 6 ++++++
bfd/peicode.h | 9 ++++++---
2 files changed, 12 insertions(+), 3 deletions(-)
Index: git/bfd/peicode.h
===================================================================
--- git.orig/bfd/peicode.h
+++ git/bfd/peicode.h
@@ -1303,7 +1303,6 @@ pe_bfd_read_buildid (bfd *abfd)
bfd_byte *data = 0;
bfd_size_type dataoff;
unsigned int i;
-
bfd_vma addr = extra->DataDirectory[PE_DEBUG_DATA].VirtualAddress;
bfd_size_type size = extra->DataDirectory[PE_DEBUG_DATA].Size;
@@ -1327,8 +1326,12 @@ pe_bfd_read_buildid (bfd *abfd)
dataoff = addr - section->vma;
- /* PR 20605: Make sure that the data is really there. */
- if (dataoff + size > section->size)
+ /* PR 20605 and 22373: Make sure that the data is really there.
+ Note - since we are dealing with unsigned quantities we have
+ to be careful to check for potential overflows. */
+ if (dataoff > section->size
+ || size > section->size
+ || dataoff + size > section->size)
{
_bfd_error_handler (_("%B: Error: Debug Data ends beyond end of debug directory."),
abfd);
Index: git/bfd/ChangeLog
===================================================================
--- git.orig/bfd/ChangeLog
+++ git/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-10-31 Nick Clifton <nickc@redhat.com>
+
+ PR 22373
+ * peicode.h (pe_bfd_read_buildid): Check for invalid size and data
+ offset values.
+
2017-11-03 Mingi Cho <mgcho.minic@gmail.com>
Nick Clifton <nickc@redhat.com>