[OE-core] [SUMO][PATCH 06/12] binutls: Security fix CVE-2018-7208
Armin Kuster
akuster808 at gmail.com
Mon Aug 6 14:29:12 UTC 2018
From: Armin Kuster <akuster at mvista.com>
Affects <= 2.30
Signed-off-by: Armin Kuster <akuster at mvista.com>
---
meta/recipes-devtools/binutils/binutils-2.30.inc | 1 +
.../binutils/binutils/CVE-2018-7208.patch | 47 ++++++++++++++++++++++
2 files changed, 48 insertions(+)
create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch
diff --git a/meta/recipes-devtools/binutils/binutils-2.30.inc b/meta/recipes-devtools/binutils/binutils-2.30.inc
index 6b915fa..3a39d5f 100644
--- a/meta/recipes-devtools/binutils/binutils-2.30.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.30.inc
@@ -40,6 +40,7 @@ SRC_URI = "\
file://CVE-2018-6872.patch \
file://CVE-2018-6759.patch \
file://CVE-2018-7642.patch \
+ file://CVE-2018-7208.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch
new file mode 100644
index 0000000..8efefeb
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-7208.patch
@@ -0,0 +1,47 @@
+From eb77f6a4621795367a39cdd30957903af9dbb815 Mon Sep 17 00:00:00 2001
+From: Alan Modra <amodra at gmail.com>
+Date: Sat, 27 Jan 2018 08:19:33 +1030
+Subject: [PATCH] PR22741, objcopy segfault on fuzzed COFF object
+
+ PR 22741
+ * coffgen.c (coff_pointerize_aux): Ensure auxent tagndx is in
+ range before converting to a symbol table pointer.
+
+Upstream-Status: Backport
+Affects: Binutils <= 2.30
+CVE: CVE-2018-7208
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ bfd/ChangeLog | 6 ++++++
+ bfd/coffgen.c | 3 ++-
+ 2 files changed, 8 insertions(+), 1 deletion(-)
+
+Index: git/bfd/coffgen.c
+===================================================================
+--- git.orig/bfd/coffgen.c
++++ git/bfd/coffgen.c
+@@ -1555,7 +1555,8 @@ coff_pointerize_aux (bfd *abfd,
+ }
+ /* A negative tagndx is meaningless, but the SCO 3.2v4 cc can
+ generate one, so we must be careful to ignore it. */
+- if (auxent->u.auxent.x_sym.x_tagndx.l > 0)
++ if ((unsigned long) auxent->u.auxent.x_sym.x_tagndx.l
++ < obj_raw_syment_count (abfd))
+ {
+ auxent->u.auxent.x_sym.x_tagndx.p =
+ table_base + auxent->u.auxent.x_sym.x_tagndx.l;
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,9 @@
++2018-01-29 Alan Modra <amodra at gmail.com>
++
++ PR 22741
++ * coffgen.c (coff_pointerize_aux): Ensure auxent tagndx is in
++ range before converting to a symbol table pointer.
++
+ 2018-02-28 Alan Modra <amodra at gmail.com>
+
+ PR 22887
--
2.7.4
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