media-libs/gst-plugins-bad: Fix CVE-2015-0797, bug #553742

Package-Manager: portage-2.2.26

media-libs/gst-plugins-bad/files/gst-plugins-bad-0.10.23-CVE-2015-0797.patch

@@ -0,0 +1,30 @@
+From: Ralph Giles <[email protected]>
+Subject: Fix buffer overflow in mp4 parsing
+
+--- gst-plugins-bad0.10-0.10.23.orig/gst/videoparsers/gsth264parse.c
++++ gst-plugins-bad0.10-0.10.23/gst/videoparsers/gsth264parse.c
+@@ -384,6 +384,11 @@ gst_h264_parse_wrap_nal (GstH264Parse *
+
+ GST_DEBUG_OBJECT (h264parse, "nal length %d", size);
+
++ if (size > G_MAXUINT32 - nl) {
++ GST_ELEMENT_ERROR (h264parse, STREAM, FAILED, (NULL),
++ ("overflow in nal size"));
++ return NULL;
++ }
+ buf = gst_buffer_new_and_alloc (size + nl + 4);
+ if (format == GST_H264_PARSE_FORMAT_AVC) {
+ GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf), size << (32 - 8 * nl));
+@@ -452,6 +457,11 @@ gst_h264_parse_process_nal (GstH264Parse
+ GST_DEBUG_OBJECT (h264parse, "not processing nal size %u", nalu->size);
+ return;
+ }
++ if (G_UNLIKELY (nalu->size > 20 * 1024 * 1024)) {
++ GST_DEBUG_OBJECT (h264parse, "not processing nal size %u (too big)",
++ nalu->size);
++ return;
++ }
+
+ /* we have a peek as well */
+ nal_type = nalu->type;
+

media-libs/gst-plugins-bad/gst-plugins-bad-0.10.23-r3.ebuild

@@ -0,0 +1,55 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI="5"
+
+GST_ORG_MODULE="gst-plugins-bad"
+inherit eutils flag-o-matic gstreamer
+
+DESCRIPTION="Less plugins for GStreamer"
+HOMEPAGE="http://gstreamer.freedesktop.org/"
+SRC_URI+=" https://dev.gentoo.org/~tetromino/distfiles/${PN}/${P}-h264-patches.tar.xz"
+
+LICENSE="LGPL-2"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+IUSE="+orc"
+
+RDEPEND="
+ >=dev-libs/glib-2.34.3:2[${MULTILIB_USEDEP}]
+ >=media-libs/gst-plugins-base-0.10.36:${SLOT}[${MULTILIB_USEDEP}]
+ >=media-libs/gstreamer-0.10.36:${SLOT}[${MULTILIB_USEDEP}]
+ orc? ( >=dev-lang/orc-0.4.17[${MULTILIB_USEDEP}] )
+"
+DEPEND="${RDEPEND}"
+RDEPEND="${RDEPEND}
+ !<media-plugins/gst-plugins-farsight-0.12.11:${SLOT}"
+
+src_prepare() {
+ # Patches from 0.10 branch fixing h264 baseline decoding; bug #446384
+ epatch "${WORKDIR}/${P}-h264-patches"/*.patch
+ # Fix CVE-2015-0797, bug #553742
+ epatch "${FILESDIR}"/${P}-CVE-2015-0797.patch
+}
+
+src_configure() {
+ strip-flags
+ replace-flags "-O3" "-O2"
+ filter-flags "-fprefetch-loop-arrays" # (Bug #22249)
+
+ multilib-minimal_src_configure
+}
+
+multilib_src_configure() {
+ gstreamer_multilib_src_configure \
+ $(use_enable orc) \
+ --disable-examples \
+ --disable-debug \
+ --disable-static
+}
+
+multilib_src_install_all() {
+ DOCS="AUTHORS ChangeLog NEWS README RELEASE"
+ einstalldocs
+ prune_libtool_files --modules
+}