sys-boot/grub: Security bump for CVE-2015-8370

Bug: https://bugs.gentoo.org/568326

Package-Manager: portage-2.2.26_p32

2 files changed, 358 insertions, 0 deletions

diff --git a/sys-boot/grub/files/CVE-2015-8370.patch b/sys-boot/grub/files/CVE-2015-8370.patch
new file mode 100644
index 000000000000..5701b54759fd
--- /dev/null
+++ b/sys-boot/grub/files/CVE-2015-8370.patch
@@ -0,0 +1,45 @@
+From 88c9657960a6c5d3673a25c266781e876c181add Mon Sep 17 00:00:00 2001
+From: Hector Marco-Gisbert <hecmargi@upv.es>
+Date: Fri, 13 Nov 2015 16:21:09 +0100
+Subject: [PATCH] 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
+
+Signed-off-by: Hector Marco-Gisbert <hecmargi@upv.es>
+Signed-off-by: Ismael Ripoll-Ripoll <iripoll@disca.upv.es>
+---
+ grub-core/lib/crypto.c  | 2 +-
+ grub-core/normal/auth.c | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/grub-core/lib/crypto.c b/grub-core/lib/crypto.c
+index 010e550..524a3d8 100644
+--- a/grub-core/lib/crypto.c
++++ b/grub-core/lib/crypto.c
+@@ -468,7 +468,7 @@ grub_password_get (char buf[], unsigned buf_size)
+ 	  break;
+ 	}
+ 
+-      if (key == '\b')
++      if (key == '\b' && cur_len)
+ 	{
+ 	  cur_len--;
+ 	  continue;
+diff --git a/grub-core/normal/auth.c b/grub-core/normal/auth.c
+index c6bd96e..5782ec5 100644
+--- a/grub-core/normal/auth.c
++++ b/grub-core/normal/auth.c
+@@ -172,7 +172,7 @@ grub_username_get (char buf[], unsigned buf_size)
+ 	  break;
+ 	}
+ 
+-      if (key == '\b')
++      if (key == '\b' && cur_len)
+ 	{
+ 	  cur_len--;
+ 	  grub_printf ("\b");
+-- 
+1.9.1
+
diff --git a/sys-boot/grub/grub-2.02_beta2-r8.ebuild b/sys-boot/grub/grub-2.02_beta2-r8.ebuild
new file mode 100644
index 000000000000..c617cab82b73
--- /dev/null
+++ b/sys-boot/grub/grub-2.02_beta2-r8.ebuild
@@ -0,0 +1,313 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+AUTOTOOLS_AUTORECONF=1
+GRUB_AUTOGEN=1
+
+if [[ -n ${GRUB_AUTOGEN} ]]; then
+	PYTHON_COMPAT=( python{2_7,3_3,3_4} )
+	inherit python-any-r1
+fi
+
+inherit autotools-utils bash-completion-r1 eutils flag-o-matic mount-boot multibuild pax-utils toolchain-funcs versionator
+
+if [[ ${PV} != 9999 ]]; then
+	if [[ ${PV} == *_alpha* || ${PV} == *_beta* || ${PV} == *_rc* ]]; then
+		# The quote style is to work with <=bash-4.2 and >=bash-4.3 #503860
+		MY_P=${P/_/'~'}
+		SRC_URI="mirror://gnu-alpha/${PN}/${MY_P}.tar.xz
+			https://dev.gentoo.org/~floppym/dist/${P}-gentoo-r3.tar.xz"
+		S=${WORKDIR}/${MY_P}
+	else
+		SRC_URI="mirror://gnu/${PN}/${P}.tar.xz
+			https://dev.gentoo.org/~floppym/dist/${P}.tar.xz"
+		S=${WORKDIR}/${P%_*}
+	fi
+	KEYWORDS="~amd64 ~x86"
+else
+	inherit git-r3
+	EGIT_REPO_URI="git://git.sv.gnu.org/grub.git
+		http://git.savannah.gnu.org/r/grub.git"
+fi
+
+DEJAVU=dejavu-sans-ttf-2.34
+UNIFONT=unifont-7.0.06
+SRC_URI+=" fonts? ( mirror://gnu/unifont/${UNIFONT}/${UNIFONT}.pcf.gz )
+	themes? ( mirror://sourceforge/dejavu/${DEJAVU}.zip )"
+
+DESCRIPTION="GNU GRUB boot loader"
+HOMEPAGE="https://www.gnu.org/software/grub/"
+
+# Includes licenses for dejavu and unifont
+LICENSE="GPL-3 fonts? ( GPL-2-with-font-exception ) themes? ( BitstreamVera )"
+SLOT="2"
+IUSE="debug device-mapper doc efiemu +fonts mount +multislot nls static sdl test +themes truetype libzfs"
+
+GRUB_ALL_PLATFORMS=( coreboot efi-32 efi-64 emu ieee1275 loongson multiboot qemu qemu-mips pc uboot xen )
+IUSE+=" ${GRUB_ALL_PLATFORMS[@]/#/grub_platforms_}"
+
+REQUIRED_USE="
+	grub_platforms_coreboot? ( fonts )
+	grub_platforms_qemu? ( fonts )
+	grub_platforms_ieee1275? ( fonts )
+	grub_platforms_loongson? ( fonts )
+"
+
+# os-prober: Used on runtime to detect other OSes
+# xorriso (dev-libs/libisoburn): Used on runtime for mkrescue
+RDEPEND="
+	app-arch/xz-utils
+	>=sys-libs/ncurses-5.2-r5:0=
+	debug? (
+		sdl? ( media-libs/libsdl )
+	)
+	device-mapper? ( >=sys-fs/lvm2-2.02.45 )
+	libzfs? ( sys-fs/zfs )
+	mount? ( sys-fs/fuse )
+	truetype? ( media-libs/freetype:2= )
+	ppc? ( sys-apps/ibm-powerpc-utils sys-apps/powerpc-utils )
+	ppc64? ( sys-apps/ibm-powerpc-utils sys-apps/powerpc-utils )
+"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	app-misc/pax-utils
+	sys-devel/flex
+	sys-devel/bison
+	sys-apps/help2man
+	sys-apps/texinfo
+	fonts? ( media-libs/freetype:2 )
+	grub_platforms_xen? ( app-emulation/xen-tools:= )
+	static? (
+		app-arch/xz-utils[static-libs(+)]
+		truetype? (
+			app-arch/bzip2[static-libs(+)]
+			media-libs/freetype[static-libs(+)]
+			sys-libs/zlib[static-libs(+)]
+		)
+	)
+	test? (
+		dev-libs/libisoburn
+		app-emulation/qemu
+	)
+	themes? (
+		app-arch/unzip
+		media-libs/freetype:2
+	)
+"
+RDEPEND+="
+	kernel_linux? (
+		grub_platforms_efi-32? ( sys-boot/efibootmgr )
+		grub_platforms_efi-64? ( sys-boot/efibootmgr )
+	)
+	!multislot? ( !sys-boot/grub:0 )
+	nls? ( sys-devel/gettext )
+"
+
+DEPEND+=" !!=media-libs/freetype-2.5.4"
+
+STRIP_MASK="*/grub/*/*.{mod,img}"
+RESTRICT="test"
+
+QA_EXECSTACK="
+	usr/bin/grub*-emu*
+	usr/lib*/grub/*/*.mod
+	usr/lib*/grub/*/*.module
+	usr/lib*/grub/*/kernel.exec
+	usr/lib*/grub/*/kernel.img
+"
+
+QA_WX_LOAD="
+	usr/lib*/grub/*/kernel.exec
+	usr/lib*/grub/*/kernel.img
+	usr/lib*/grub/*/*.image
+"
+
+QA_PRESTRIPPED="
+	usr/lib.*/grub/.*/kernel.img
+"
+
+src_unpack() {
+	if [[ ${PV} == 9999 ]]; then
+		git-r3_src_unpack
+	fi
+	default_src_unpack
+}
+
+src_prepare() {
+	EPATCH_SUFFIX="patch" EPATCH_FORCE="yes" epatch
+
+	epatch "${FILESDIR}"/CVE-2015-8370.patch
+
+	sed -i -e /autoreconf/d autogen.sh || die
+
+	if use multislot; then
+		# fix texinfo file name, bug 416035
+		sed -i -e 's/^\* GRUB:/* GRUB2:/' -e 's/(grub)/(grub2)/' docs/grub.texi || die
+	fi
+
+	epatch_user
+
+	if [[ -n ${GRUB_AUTOGEN} ]]; then
+		python_setup
+		bash autogen.sh || die
+	fi
+
+	if [[ -n ${AUTOTOOLS_AUTORECONF} ]]; then
+		autopoint() { return 0; }
+		eautoreconf
+	fi
+}
+
+setup_fonts() {
+	ln -s "${WORKDIR}/${UNIFONT}.pcf" unifont.pcf || die
+	if use themes; then
+		ln -s "${WORKDIR}/${DEJAVU}/ttf/DejaVuSans.ttf" DejaVuSans.ttf || die
+	fi
+}
+
+grub_configure() {
+	local platform
+
+	case ${MULTIBUILD_VARIANT} in
+		efi-32)
+			platform=efi
+			if [[ ${CTARGET:-${CHOST}} == x86_64* ]]; then
+				local CTARGET=${CTARGET:-i386}
+			fi ;;
+		efi-64)
+			platform=efi
+			if [[ ${CTARGET:-${CHOST}} == i?86* ]]; then
+				local CTARGET=${CTARGET:-x86_64}
+				local TARGET_CFLAGS="-Os -march=x86-64 ${TARGET_CFLAGS}"
+				local TARGET_CPPFLAGS="-march=x86-64 ${TARGET_CPPFLAGS}"
+				export TARGET_CFLAGS TARGET_CPPFLAGS
+			fi ;;
+		guessed) ;;
+		*)	platform=${MULTIBUILD_VARIANT} ;;
+	esac
+
+	local myeconfargs=(
+		--disable-werror
+		--program-prefix=
+		--libdir="${EPREFIX}"/usr/lib
+		--htmldir="${EPREFIX}"/usr/share/doc/${PF}/html
+		$(use_enable debug mm-debug)
+		$(use_enable debug grub-emu-usb)
+		$(use_enable device-mapper)
+		$(use_enable mount grub-mount)
+		$(use_enable nls)
+		$(use_enable themes grub-themes)
+		$(use_enable truetype grub-mkfont)
+		$(use_enable libzfs)
+		$(use sdl && use_enable debug grub-emu-sdl)
+		${platform:+--with-platform=}${platform}
+
+		# Let configure detect this where supported
+		$(usex efiemu '' '--disable-efiemu')
+	)
+
+	if use multislot; then
+		myeconfargs+=( --program-transform-name="s,grub,grub2," )
+	fi
+
+	mkdir -p "${BUILD_DIR}" || die
+	run_in_build_dir setup_fonts
+
+	autotools-utils_src_configure
+}
+
+src_configure() {
+	# Bug 508758.
+	replace-flags -O3 -O2
+
+	# We don't want to leak flags onto boot code.
+	export HOST_CCASFLAGS=${CCASFLAGS}
+	export HOST_CFLAGS=${CFLAGS}
+	export HOST_CPPFLAGS=${CPPFLAGS}
+	export HOST_LDFLAGS=${LDFLAGS}
+	unset CCASFLAGS CFLAGS CPPFLAGS LDFLAGS
+
+	use static && HOST_LDFLAGS+=" -static"
+
+	tc-ld-disable-gold #439082 #466536 #526348
+	export TARGET_LDFLAGS="${TARGET_LDFLAGS} ${LDFLAGS}"
+	unset LDFLAGS
+
+	tc-export CC NM OBJCOPY RANLIB STRIP
+	tc-export BUILD_CC # Bug 485592
+
+	# Portage will take care of cleaning up GRUB_PLATFORMS
+	MULTIBUILD_VARIANTS=( ${GRUB_PLATFORMS:-guessed} )
+	multibuild_parallel_foreach_variant grub_configure
+}
+
+src_compile() {
+	# Sandbox bug 404013.
+	use libzfs && addpredict /etc/dfs:/dev/zfs
+
+	multibuild_foreach_variant autotools-utils_src_compile
+
+	use doc && multibuild_for_best_variant \
+		autotools-utils_src_compile -C docs html
+}
+
+src_test() {
+	# The qemu dependency is a bit complex.
+	# You will need to adjust QEMU_SOFTMMU_TARGETS to match the cpu/platform.
+	multibuild_foreach_variant autotools-utils_src_test
+}
+
+src_install() {
+	multibuild_foreach_variant autotools-utils_src_install \
+		bashcompletiondir="$(get_bashcompdir)"
+
+	local grub=grub
+	if use multislot; then
+		grub=grub2
+		mv "${ED%/}"/usr/share/info/grub{,2}.info || die
+		mv "${ED%/}"/$(get_bashcompdir)/grub{,2} || die
+	fi
+
+	bashcomp_alias ${grub} ${grub}-{install,set-default,mkrescue,reboot,script-check,editenv,sparc64-setup,mkfont,mkpasswd-pbkdf2,mkimage,bios-setup,mkconfig,probe}
+
+	use doc && multibuild_for_best_variant run_in_build_dir \
+		emake -C docs DESTDIR="${D}" install-html
+
+	insinto /etc/default
+	newins "${FILESDIR}"/grub.default-3 grub
+}
+
+pkg_postinst() {
+	mount-boot_mount_boot_partition
+
+	if [[ -e "${ROOT%/}/boot/grub2/grub.cfg"  ]]; then
+		ewarn "The grub directory has changed from /boot/grub2 to /boot/grub."
+		ewarn "Please run grub2-install and grub2-mkconfig -o /boot/grub/grub.cfg."
+
+		if [[ ! -e "${ROOT%/}/boot/grub/grub.cfg" ]]; then
+			mkdir -p "${ROOT%/}/boot/grub"
+			ln -s ../grub2/grub.cfg "${ROOT%/}/boot/grub/grub.cfg"
+		fi
+	fi
+
+	mount-boot_pkg_postinst
+
+	elog "For information on how to configure GRUB2 please refer to the guide:"
+	elog "    https://wiki.gentoo.org/wiki/GRUB2_Quick_Start"
+
+	if has_version 'sys-boot/grub:0'; then
+		elog "A migration guide for GRUB Legacy users is available:"
+		elog "    https://wiki.gentoo.org/wiki/GRUB2_Migration"
+	fi
+
+	if [[ -z ${REPLACING_VERSIONS} ]]; then
+		elog
+		elog "You may consider installing the following optional packages:"
+		optfeature "Detect other operating systems (grub-mkconfig)" sys-boot/os-prober
+		optfeature "Create rescue media (grub-mkrescue)" dev-libs/libisoburn
+		optfeature "Enable RAID device detection" sys-fs/mdadm
+	fi
+}