From: Armin Kuster <akuster808@gmail.com>
To: openembedded-core@lists.openembedded.org
Subject: [PATCH 19/20] grub2: Fix CVE-2015-8370
Date: Sat, 9 Jan 2016 16:30:45 -0800 [thread overview]
Message-ID: <bbb6db9b5f8a64411a6ba58ba1ab3d240c75ef6d.1452385572.git.akuster808@gmail.com> (raw)
In-Reply-To: <cover.1452385571.git.akuster808@gmail.com>
In-Reply-To: <cover.1452385571.git.akuster808@gmail.com>
From: "Belal, Awais" <Awais_Belal@mentor.com>
http://git.savannah.gnu.org/cgit/grub.git/commit/?id=451d80e52d851432e109771bb8febafca7a5f1f2
Signed-off-by: Awais Belal <awais_belal@mentor.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
---
...E-2015-8370-Grub2-user-pass-vulnerability.patch | 50 ++++++++++++++++++++++
meta/recipes-bsp/grub/grub-efi_2.00.bb | 1 +
meta/recipes-bsp/grub/grub_2.00.bb | 1 +
3 files changed, 52 insertions(+)
create mode 100644 meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch
diff --git a/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch
new file mode 100644
index 0000000..9ddd7a6
--- /dev/null
+++ b/meta/recipes-bsp/grub/files/0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch
@@ -0,0 +1,50 @@
+Upstream-Status: Accepted
+Signed-off-by: Awais Belal <awais_belal@mentor.com>
+
+From 451d80e52d851432e109771bb8febafca7a5f1f2 Mon Sep 17 00:00:00 2001
+From: Hector Marco-Gisbert <hecmargi@upv.es>
+Date: Wed, 16 Dec 2015 04:57:18 +0000
+Subject: Fix security issue when reading username and password
+
+This patch fixes two integer underflows at:
+ * grub-core/lib/crypto.c
+ * grub-core/normal/auth.c
+
+CVE-2015-8370
+
+Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es>
+Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es>
+Also-By: Andrey Borzenkov <arvidjaar@gmail.com>
+---
+Index: grub-2.00/grub-core/lib/crypto.c
+===================================================================
+--- grub-2.00.orig/grub-core/lib/crypto.c
++++ grub-2.00/grub-core/lib/crypto.c
+@@ -458,7 +458,8 @@ grub_password_get (char buf[], unsigned
+
+ if (key == '\b')
+ {
+- cur_len--;
++ if (cur_len)
++ cur_len--;
+ continue;
+ }
+
+Index: grub-2.00/grub-core/normal/auth.c
+===================================================================
+--- grub-2.00.orig/grub-core/normal/auth.c
++++ grub-2.00/grub-core/normal/auth.c
+@@ -174,8 +174,11 @@ grub_username_get (char buf[], unsigned
+
+ if (key == '\b')
+ {
+- cur_len--;
+- grub_printf ("\b");
++ if (cur_len)
++ {
++ cur_len--;
++ grub_printf ("\b");
++ }
+ continue;
+ }
+
diff --git a/meta/recipes-bsp/grub/grub-efi_2.00.bb b/meta/recipes-bsp/grub/grub-efi_2.00.bb
index 7674255..6822e7a 100644
--- a/meta/recipes-bsp/grub/grub-efi_2.00.bb
+++ b/meta/recipes-bsp/grub/grub-efi_2.00.bb
@@ -30,6 +30,7 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
file://grub-2.00-add-oe-kernel.patch \
file://grub-efi-fix-with-glibc-2.20.patch \
file://0001-parse_dhcp_vendor-Add-missing-const-qualifiers.patch \
+ file://0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch \
"
SRC_URI[md5sum] = "e927540b6eda8b024fb0391eeaa4091c"
SRC_URI[sha256sum] = "65b39a0558f8c802209c574f4d02ca263a804e8a564bc6caf1cd0fd3b3cc11e3"
diff --git a/meta/recipes-bsp/grub/grub_2.00.bb b/meta/recipes-bsp/grub/grub_2.00.bb
index d4df676..94b6da9 100644
--- a/meta/recipes-bsp/grub/grub_2.00.bb
+++ b/meta/recipes-bsp/grub/grub_2.00.bb
@@ -25,6 +25,7 @@ SRC_URI = "ftp://ftp.gnu.org/gnu/grub/grub-${PV}.tar.gz \
file://fix-endianness-problem.patch \
file://grub2-remove-sparc64-setup-from-x86-builds.patch \
file://0001-parse_dhcp_vendor-Add-missing-const-qualifiers.patch \
+ file://0001-Fix-CVE-2015-8370-Grub2-user-pass-vulnerability.patch \
"
SRC_URI[md5sum] = "e927540b6eda8b024fb0391eeaa4091c"
--
1.9.1
next prev parent reply other threads:[~2016-01-10 0:31 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-10 0:30 [PATCH 00/20] Dizzy-next pull request 2016-1 Armin Kuster
2016-01-10 0:30 ` [PATCH 01/20] libtasn1: CVE-2015-3622 Armin Kuster
2016-01-10 0:30 ` [PATCH 02/20] grep2.19: CVE-2015-1345 Armin Kuster
2016-01-10 0:30 ` [PATCH 03/20] rsync: backport libattr checking patch Armin Kuster
2016-01-10 0:30 ` [PATCH 04/20] openssh: CVE-2015-6563 CVE-2015-6564 CVE-2015-6565 Armin Kuster
2016-01-10 0:30 ` [PATCH 05/20] fontcache: allow to pass extra parameters and environment to fc-cache Armin Kuster
2016-01-10 0:30 ` [PATCH 06/20] image.bbclass: don't let do_rootfs depend on BUILDNAME Armin Kuster
2016-01-10 0:30 ` [PATCH 07/20] layer.conf: Add several allarch dependency exclusions Armin Kuster
2016-01-10 0:30 ` [PATCH 08/20] layer.conf: Add missing dependency for allarch package initramfs-framework Armin Kuster
2016-01-10 0:30 ` [PATCH 09/20] allarch: Force TARGET_*FLAGS variable values Armin Kuster
2016-01-10 0:30 ` [PATCH 10/20] texinfo: don't create dependency on INHERIT variable Armin Kuster
2016-01-10 0:30 ` [PATCH 11/20] linux-dtb.inc: drop unused DTB_NAME variable from do_install Armin Kuster
2016-01-10 0:30 ` [PATCH 12/20] glibc: use patch for CVE-2015-1781 Armin Kuster
2016-01-10 0:30 ` [PATCH 13/20] libxml2: CVE-2015-7942 Armin Kuster
2016-01-10 0:30 ` [PATCH 14/20] unzip: CVE-2015-7696, CVE-2015-7697 Armin Kuster
2016-01-10 0:30 ` [PATCH 15/20] libxml2: CVE-2015-8035 Armin Kuster
2016-01-10 0:30 ` [PATCH 16/20] openssl: CVE-2015-3194, CVE-2015-3195 Armin Kuster
2016-01-10 0:30 ` [PATCH 17/20] libxml2: CVE-2015-8241 Armin Kuster
2016-01-10 0:30 ` [PATCH 18/20] Fixes a heap buffer overflow in glibc wscanf Armin Kuster
2016-01-10 0:30 ` Armin Kuster [this message]
2016-01-10 0:30 ` [PATCH 20/20] bind: CVE-2015-8000 Armin Kuster
2016-01-21 11:57 ` [PATCH 00/20] Dizzy-next pull request 2016-1 Martin Jansa
2016-01-27 11:33 ` Martin Jansa
2016-01-30 2:44 ` akuster808
2016-01-30 9:08 ` Martin Jansa
2016-01-30 12:06 ` Richard Purdie
2016-01-30 12:37 ` Martin Jansa
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