binutils: Security fix for CVE-2019-14444

Source: git://sourceware.org / binutils-gdb.git
MR: 99255
Type: Security Fix
Disposition: Backport from https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e17869db99195849826eaaf5d2d0eb2cfdd7a2a7
ChangeID: 67ad4ab1ec34b941bdcfbb4f55d16176bbbd3d72
Description:

Affects: <= 2.32.0

Fixes CVE-2019-14444

Signed-off-by: Armin Kuster <akuster808@gmail.com>

diff --git a/meta/recipes-devtools/binutils/binutils-2.31.inc b/meta/recipes-devtools/binutils/binutils-2.31.inc
index 62acec500e6644c0b7b46a4595f50a70133e63e0..247f779a79a9a108ebe1a1b1e29a018a570fed01 100644 (file)
--- a/meta/recipes-devtools/binutils/binutils-2.31.inc
+++ b/meta/recipes-devtools/binutils/binutils-2.31.inc
@@ -46,6 +46,7 @@ SRC_URI = "\
      file://CVE-2018-18605.patch \
      file://CVE-2018-18606.patch \
      file://CVE-2018-18607.patch \
+     file://CVE-2019-14444.patch \
 "
 S  = "${WORKDIR}/git"
 

diff --git a/meta/recipes-devtools/binutils/binutils/CVE-2019-14444.patch b/meta/recipes-devtools/binutils/binutils/CVE-2019-14444.patch
new file mode 100644 (file)
index 0000000..499cf0e
--- /dev/null
+++ b/meta/recipes-devtools/binutils/binutils/CVE-2019-14444.patch
@@ -0,0 +1,33 @@
+From e17869db99195849826eaaf5d2d0eb2cfdd7a2a7 Mon Sep 17 00:00:00 2001
+From: Nick Clifton <nickc@redhat.com>
+Date: Mon, 5 Aug 2019 10:40:35 +0100
+Subject: [PATCH] Catch potential integer overflow in readelf when processing
+ corrupt binaries.
+
+       PR 24829
+       * readelf.c (apply_relocations): Catch potential integer overflow
+       whilst checking reloc location against section size.
+
+Upstream-Status: Backport
+https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=e17869db99195849826eaaf5d2d0eb2cfdd7a2a7
+CVE: CVE-2019-14444
+Dropped changelog
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ binutils/readelf.c | 2 +-
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+Index: git/binutils/readelf.c
+===================================================================
+--- git.orig/binutils/readelf.c
++++ git/binutils/readelf.c
+@@ -13113,7 +13113,7 @@ apply_relocations (Filedata *
+           }
+ 
+         rloc = start + rp->r_offset;
+-        if ((rloc + reloc_size) > end || (rloc < start))
++        if (rloc >= end || (rloc + reloc_size) > end || (rloc < start))
+           {
+             warn (_("skipping invalid relocation offset 0x%lx in section %s\n"),
+                   (unsigned long) rp->r_offset,