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4435ab4a3b
Backport patches to fix the following CVEs. CVE-2017-14054 CVE-2017-14055 CVE-2017-14056 CVE-2017-14057 CVE-2017-14058 CVE-2017-14059 CVE-2017-14169 CVE-2017-14170 CVE-2017-14171 CVE-2017-14222 CVE-2017-14223 CVE-2017-14225 (From OE-Core rev: 13862938a6a7a938f8d781655ceaf78a81b57549) Signed-off-by: Chen Qi <Qi.Chen@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From 4f05e2e2dc1a89f38cd9f0960a6561083d714f1e Mon Sep 17 00:00:00 2001
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From: Michael Niedermayer <michael@niedermayer.cc>
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Date: Fri, 25 Aug 2017 01:15:30 +0200
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Subject: [PATCH] avformat/mvdec: Fix DoS due to lack of eof check
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Fixes: loop.mv
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Found-by: Xiaohei and Wangchu from Alibaba Security Team
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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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CVE: CVE-2017-14055
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Upstream-Status: Backport
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Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
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---
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libavformat/mvdec.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c
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index 0e12c8c..f7aa4cb 100644
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--- a/libavformat/mvdec.c
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+++ b/libavformat/mvdec.c
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@@ -342,6 +342,8 @@ static int mv_read_header(AVFormatContext *avctx)
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uint32_t pos = avio_rb32(pb);
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uint32_t asize = avio_rb32(pb);
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uint32_t vsize = avio_rb32(pb);
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+ if (avio_feof(pb))
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+ return AVERROR_INVALIDDATA;
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avio_skip(pb, 8);
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av_add_index_entry(ast, pos, timestamp, asize, 0, AVINDEX_KEYFRAME);
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av_add_index_entry(vst, pos + asize, i, vsize, 0, AVINDEX_KEYFRAME);
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--
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2.1.0
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