[OE-core] [SUMO][PATCH 03/12] binutls: Security fix CVE-2018-6872
Armin Kuster
akuster808 at gmail.com
Mon Aug 6 14:29:09 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-2018-6872.patch | 50 ++++++++++++++++++++++
2 files changed, 51 insertions(+)
create mode 100644 meta/recipes-devtools/binutils/binutils/CVE-2018-6872.patch
diff --git a/meta/recipes-devtools/binutils/binutils-2.30.inc b/meta/recipes-devtools/binutils/binutils-2.30.inc
index 1952d46..23625d1 100644
--- a/meta/recipes-devtools/binutils/binutils-2.30.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.30.inc
@@ -37,6 +37,7 @@ SRC_URI = "\
file://0015-sync-with-OE-libtool-changes.patch \
file://CVE-2018-8945.patch \
file://CVE-2018-7643.patch \
+ file://CVE-2018-6872.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-6872.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-6872.patch
new file mode 100644
index 0000000..2ef36c2
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-6872.patch
@@ -0,0 +1,50 @@
+From d895ef77ffc94e02e748856c2ab54f5bb8cc867e Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc at redhat.com>
+Date: Fri, 9 Feb 2018 09:28:45 +0000
+Subject: [PATCH] Import patch from mainline to fix possible seg-fault whilst
+ parsing corrupt ELF notes with extravagent alignments.
+
+ PR 22788
+ * elf.c (elf_parse_notes): Reject notes with excessuively large
+ alignments.
+
+Upstream-Status: Backport
+Affects: Binutils <= 2.30
+CVE: CVE-2018-6872
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ bfd/ChangeLog | 9 +++++++++
+ bfd/elf.c | 2 ++
+ 2 files changed, 11 insertions(+)
+
+Index: git/bfd/elf.c
+===================================================================
+--- git.orig/bfd/elf.c
++++ git/bfd/elf.c
+@@ -11020,6 +11020,8 @@ elf_parse_notes (bfd *abfd, char *buf, s
+ align is less than 4, we use 4 byte alignment. */
+ if (align < 4)
+ align = 4;
++ if (align != 4 && align != 8)
++ return FALSE;
+
+ p = buf;
+ while (p < buf + size)
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,12 @@
++2018-02-09 Nick Clifton <nickc at redhat.com>
++
++ Import patch from mainline:
++ 2018-02-08 Nick Clifton <nickc at redhat.com>
++
++ PR 22788
++ * elf.c (elf_parse_notes): Reject notes with excessuively large
++ alignments.
++
+ 2018-03-01 Nick Clifton <nickc at redhat.com>
+
+ PR 22905
--
2.7.4
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