diff options
author | Mingli Yu <Mingli.Yu@windriver.com> | 2018-09-06 17:33:28 +0800 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2018-09-06 23:43:34 +0100 |
commit | 23393330a599403085437cb62169bb3a2375c07a (patch) | |
tree | 70fef7288a88e304acb0b1f648a25ce54fd9d1ce /meta/recipes-multimedia/ffmpeg/ffmpeg | |
parent | f017715120b67ff02f56ed5db131436ee62aeffb (diff) | |
download | openembedded-core-contrib-23393330a599403085437cb62169bb3a2375c07a.tar.gz |
ffmpeg: Fix CVE-2018-15822
Fixes: Assertion failure
Fixes: assert_flvenc.c:941_1.swf
Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-multimedia/ffmpeg/ffmpeg')
-rw-r--r-- | meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch new file mode 100644 index 0000000000..7d5868a72a --- /dev/null +++ b/meta/recipes-multimedia/ffmpeg/ffmpeg/CVE-2018-15822.patch @@ -0,0 +1,37 @@ +From 6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michael@niedermayer.cc> +Date: Sat, 28 Jul 2018 15:03:50 +0200 +Subject: [PATCH] avformat/flvenc: Check audio packet size + +Fixes: Assertion failure +Fixes: assert_flvenc.c:941_1.swf + +Upstream-Status: Backport [https://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10] +CVE: CVE-2018-15822 + +Found-by: #CHEN HONGXU# <HCHEN017@e.ntu.edu.sg> +Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> +Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com> +--- + libavformat/flvenc.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c +index 1c552a3e6b..e4863f1fc7 100644 +--- a/libavformat/flvenc.c ++++ b/libavformat/flvenc.c +@@ -883,6 +883,11 @@ static int flv_write_packet(AVFormatContext *s, AVPacket *pkt) + int flags = -1, flags_size, ret; + int64_t cur_offset = avio_tell(pb); + ++ if (par->codec_type == AVMEDIA_TYPE_AUDIO && !pkt->size) { ++ av_log(s, AV_LOG_WARNING, "Empty audio Packet\n"); ++ return AVERROR(EINVAL); ++ } ++ + if (par->codec_id == AV_CODEC_ID_VP6F || par->codec_id == AV_CODEC_ID_VP6A || + par->codec_id == AV_CODEC_ID_VP6 || par->codec_id == AV_CODEC_ID_AAC) + flags_size = 2; +-- +2.17.1 + |