[oe-commits] [openembedded-core] 11/13: binutls: Security fix CVE-2018-10535
git at git.openembedded.org
git at git.openembedded.org
Mon Aug 6 15:33:16 UTC 2018
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rpurdie pushed a commit to branch sumo
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commit 1ff22881249591d64fe61353a4d97ab91dc8efa0
Author: Armin Kuster <akuster at mvista.com>
AuthorDate: Sun Aug 5 22:06:33 2018 -0700
binutls: Security fix CVE-2018-10535
Affects <= 2.30
Signed-off-by: Armin Kuster <akuster at mvista.com>
---
meta/recipes-devtools/binutils/binutils-2.30.inc | 1 +
.../binutils/binutils/CVE-2018-10535.patch | 61 ++++++++++++++++++++++
2 files changed, 62 insertions(+)
diff --git a/meta/recipes-devtools/binutils/binutils-2.30.inc b/meta/recipes-devtools/binutils/binutils-2.30.inc
index 8693757..f8ac1ca 100644
--- a/meta/recipes-devtools/binutils/binutils-2.30.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.30.inc
@@ -45,6 +45,7 @@ SRC_URI = "\
file://CVE-2018-7568.patch \
file://CVE-2018-10373.patch \
file://CVE-2018-10372.patch \
+ file://CVE-2018-10535.patch \
"
S = "${WORKDIR}/git"
diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch b/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch
new file mode 100644
index 0000000..fa8fbd2
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2018-10535.patch
@@ -0,0 +1,61 @@
+From db0c309f4011ca94a4abc8458e27f3734dab92ac Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc at redhat.com>
+Date: Tue, 24 Apr 2018 16:57:04 +0100
+Subject: [PATCH] Fix an illegal memory access when trying to copy an ELF
+ binary with corrupt section symbols.
+
+ PR 23113
+ * elf.c (ignore_section_sym): Check for the output_section pointer
+ being NULL before dereferencing it.
+
+Upstream-Status: Backport
+CVE: CVE-2018-10535
+Signed-off-by: Armin Kuster <akuster at mvista.com>
+
+---
+ bfd/ChangeLog | 4 ++++
+ bfd/elf.c | 9 ++++++++-
+ 2 files changed, 12 insertions(+), 1 deletion(-)
+
+Index: git/bfd/elf.c
+===================================================================
+--- git.orig/bfd/elf.c
++++ git/bfd/elf.c
+@@ -4021,15 +4021,22 @@ ignore_section_sym (bfd *abfd, asymbol *
+ {
+ elf_symbol_type *type_ptr;
+
++ if (sym == NULL)
++ return FALSE;
++
+ if ((sym->flags & BSF_SECTION_SYM) == 0)
+ return FALSE;
+
++ if (sym->section == NULL)
++ return TRUE;
++
+ type_ptr = elf_symbol_from (abfd, sym);
+ return ((type_ptr != NULL
+ && type_ptr->internal_elf_sym.st_shndx != 0
+ && bfd_is_abs_section (sym->section))
+ || !(sym->section->owner == abfd
+- || (sym->section->output_section->owner == abfd
++ || (sym->section->output_section != NULL
++ && sym->section->output_section->owner == abfd
+ && sym->section->output_offset == 0)
+ || bfd_is_abs_section (sym->section)));
+ }
+Index: git/bfd/ChangeLog
+===================================================================
+--- git.orig/bfd/ChangeLog
++++ git/bfd/ChangeLog
+@@ -1,3 +1,9 @@
++2018-04-24 Nick Clifton <nickc at redhat.com>
++
++ PR 23113
++ * elf.c (ignore_section_sym): Check for the output_section pointer
++ being NULL before dereferencing it.
++
+ 2018-04-17 Nick Clifton <nickc at redhat.com>
+
+ PR 23065
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