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| author |   Kang Kai <kai.kang@windriver.com> | 2015-06-15 10:48:43 +0800 |
|---|---|---|
| committer |   Martin Jansa <Martin.Jansa@gmail.com> | 2015-06-17 22:36:12 +0200 |
| commit | 6cb3b63559bf33946f1c5d43626413d9a651e83f (patch) | |
| tree | a70b9ecea7257a3554b12f9875dad07fc4c489da /meta-multimedia | |
| parent | ce4aa917f0ff0acc740e4493ca9a950880d37fc6 (diff) | |
| download | meta-openembedded-contrib-6cb3b63559bf33946f1c5d43626413d9a651e83f.tar.gz | |
gst-plugins-bad: fix CVE-2015-0797
Backport patch from debian to fix CVE-2015-0797.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784220
https://sources.debian.net/data/main/g/gst-plugins-bad0.10/0.10.23-7.1+deb7u2/debian/patches/buffer-overflow-mp4.patch
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Diffstat (limited to 'meta-multimedia')
| -rw-r--r-- | meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad/buffer-overflow-mp4.patch | 36 | ||||
| -rw-r--r-- | meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad_0.10.23.bb | 2 |
2 files changed, 38 insertions, 0 deletions
diff --git a/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad/buffer-overflow-mp4.patch b/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad/buffer-overflow-mp4.patch new file mode 100644 index 0000000000..235acda8bf --- /dev/null +++ b/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad/buffer-overflow-mp4.patch @@ -0,0 +1,36 @@ +Description: Fix buffer overflow in mp4 parsing +Author: Ralph Giles <giles@mozilla.com> +--- +Backport patch from debian to fix CVE-2015-0797. +https://sources.debian.net/data/main/g/gst-plugins-bad0.10/0.10.23-7.1+deb7u2/debian/patches/buffer-overflow-mp4.patch + +Upstream-Status: Backport + +Signed-off-by: Kai Kang <kai.kang@windriver.com> +--- +--- 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; diff --git a/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad_0.10.23.bb b/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad_0.10.23.bb index 0f64871497..4d94483462 100644 --- a/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad_0.10.23.bb +++ b/meta-multimedia/recipes-multimedia/gstreamer-0.10/gst-plugins-bad_0.10.23.bb @@ -10,6 +10,8 @@ DEPENDS += "gst-plugins-base" PR = "r4" +SRC_URI += "file://buffer-overflow-mp4.patch" + inherit gettext gsettings EXTRA_OECONF += "--disable-experimental \ |