[oe-commits] [openembedded-core] 13/34: binutils: Security fix CVE-2017-8421
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git at git.openembedded.org
Mon Dec 11 22:03:32 UTC 2017
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commit 7442e97d451047e5f8ed2e23f5898837a7d572a7
Author: Armin Kuster <akuster808 at gmail.com>
AuthorDate: Sun Nov 26 13:27:38 2017 -0800
binutils: Security fix CVE-2017-8421
Affects: <= 2.28
Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
meta/recipes-devtools/binutils/binutils-2.28.inc | 1 +
.../binutils/binutils/CVE-2017-8421.patch | 52 ++++++++++++++++++++++
2 files changed, 53 insertions(+)
diff --git a/meta/recipes-devtools/binutils/binutils-2.28.inc b/meta/recipes-devtools/binutils/binutils-2.28.inc
index d58d7b8..5b6270a 100644
--- a/meta/recipes-devtools/binutils/binutils-2.28.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.28.inc
@@ -50,6 +50,7 @@ SRC_URI = "\
file://CVE-2017-8395.patch \
file://CVE-2017-8396_8397.patch \
file://CVE-2017-8398.patch \
+ file://CVE-2017-8421.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch
new file mode 100644
index 0000000..7969c66
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-8421.patch
@@ -0,0 +1,52 @@
+From 39ff1b79f687b65f4144ddb379f22587003443fb Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc at redhat.com>
+Date: Tue, 2 May 2017 11:54:53 +0100
+Subject: [PATCH] Prevent memory exhaustion from a corrupt PE binary with an
+ overlarge number of relocs.
+
+ PR 21440
+ * objdump.c (dump_relocs_in_section): Check for an excessive
+ number of relocs before attempting to dump them.
+
+Upstream-Status: Backport
+CVE: CVE-2017-8421
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ binutils/ChangeLog | 6 ++++++
+ binutils/objdump.c | 8 ++++++++
+ 2 files changed, 14 insertions(+)
+
+Index: git/binutils/objdump.c
+===================================================================
+--- git.orig/binutils/objdump.c
++++ git/binutils/objdump.c
+@@ -3311,6 +3311,14 @@ dump_relocs_in_section (bfd *abfd,
+ return;
+ }
+
++ if ((bfd_get_file_flags (abfd) & (BFD_IN_MEMORY | BFD_LINKER_CREATED)) == 0
++ && relsize > get_file_size (bfd_get_filename (abfd)))
++ {
++ printf (" (too many: 0x%x)\n", section->reloc_count);
++ bfd_set_error (bfd_error_file_truncated);
++ bfd_fatal (bfd_get_filename (abfd));
++ }
++
+ relpp = (arelent **) xmalloc (relsize);
+ relcount = bfd_canonicalize_reloc (abfd, section, relpp, syms);
+
+Index: git/binutils/ChangeLog
+===================================================================
+--- git.orig/binutils/ChangeLog
++++ git/binutils/ChangeLog
+@@ -1,3 +1,9 @@
++2017-05-02 Nick Clifton <nickc at redhat.com>
++
++ PR 21440
++ * objdump.c (dump_relocs_in_section): Check for an excessive
++ number of relocs before attempting to dump them.
++
+ 2017-04-28 Nick Clifton <nickc at redhat.com>
+
+ PR binutils/21438
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