[OE-core] [ROCKO][PATCH 17/27] binutls: Security fix for CVE-2017-16826
Armin Kuster
akuster808 at gmail.com
Wed Aug 8 15:35:12 UTC 2018
From: Armin Kuster <akuster at mvista.com>
Affects: <= 2.29.1
Signed-off-by: Armin Kuster <akuster at mvista.com>
---
meta/recipes-devtools/binutils/binutils-2.29.1.inc | 1 +
.../binutils/binutils/CVE-2017-16826.patch | 53 ++++++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2017-16826.patch
diff --git a/meta/recipes-devtools/binutils/binutils-2.29.1.inc b/meta/recipes-devtools/binutils/binutils-2.29.1.inc
index 7928de9..d75ec50 100644
--- a/meta/recipes-devtools/binutils/binutils-2.29.1.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.29.1.inc
@@ -52,6 +52,7 @@ SRC_URI = "\
file://CVE-2017-15225.patch \
file://CVE-2017-15939.patch \
file://CVE-2017-15996.patch \
+ file://CVE-2017-16826.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2017-16826.patch b/meta/recipes-devtools/binutils/binutils/CVE-2017-16826.patch
new file mode 100644
index 0000000..bb24ba8
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2017-16826.patch
@@ -0,0 +1,53 @@
+From a67d66eb97e7613a38ffe6622d837303b3ecd31d Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc at redhat.com>
+Date: Wed, 1 Nov 2017 15:21:46 +0000
+Subject: [PATCH] Prevent illegal memory accesses when attempting to read
+ excessively large COFF line number tables.
+
+ PR 22376
+ * coffcode.h (coff_slurp_line_table): Check for an excessively
+ large line number count.
+
+Upstream-Status: Backport
+Affects: <= 2.29.1
+CVE: CVE-2017-16826
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ bfd/ChangeLog | 6 ++++++
+ bfd/coffcode.h | 8 ++++++++
+ 2 files changed, 14 insertions(+)
+
+Index: git/bfd/coffcode.h
+===================================================================
+--- git.orig/bfd/coffcode.h
++++ git/bfd/coffcode.h
+@@ -4578,6 +4578,14 @@ coff_slurp_line_table (bfd *abfd, asecti
+
+ BFD_ASSERT (asect->lineno == NULL);
+
++ if (asect->lineno_count > asect->size)
++ {
++ _bfd_error_handler
++ (_("%B: warning: line number count (%#lx) exceeds section size (%#lx)"),
++ abfd, (unsigned long) asect->lineno_count, (unsigned long) asect->size);
++ return FALSE;
++ }
++
+ amt = ((bfd_size_type) asect->lineno_count + 1) * sizeof (alent);
+ lineno_cache = (alent *) bfd_alloc (abfd, amt);
+ if (lineno_cache == NULL)
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,9 @@
++2017-11-01 Nick Clifton <nickc at redhat.com>
++
++ PR 22376
++ * coffcode.h (coff_slurp_line_table): Check for an excessively
++ large line number count.
++
+ 2017-10-28 Alan Modra <amodra at gmail.com>
+
+ PR 22361
--
2.7.4
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