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Fixed TSMF tsmf_ffmpeg_set_format length checks

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ExtraDataSize of format was not checked for expected minimum length
This commit is contained in:
akallabeth 2022-10-06 09:56:17 +02:00
parent 4182bfbf38
commit b7c0b43a37
1 changed files with 6 additions and 0 deletions
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6
channels/tsmf/client/ffmpeg/tsmf_ffmpeg.c
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@ -257,6 +257,9 @@ static BOOL tsmf_ffmpeg_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* medi
{ {
TSMFFFmpegDecoder* mdecoder = (TSMFFFmpegDecoder*)decoder; TSMFFFmpegDecoder* mdecoder = (TSMFFFmpegDecoder*)decoder;
WINPR_ASSERT(mdecoder);
WINPR_ASSERT(media_type);
switch (media_type->MajorType) switch (media_type->MajorType)
{ {
case TSMF_MAJOR_TYPE_VIDEO: case TSMF_MAJOR_TYPE_VIDEO:
@ -309,6 +312,9 @@ static BOOL tsmf_ffmpeg_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* medi
http://msdn.microsoft.com/en-us/library/dd757806.aspx */ http://msdn.microsoft.com/en-us/library/dd757806.aspx */
if (media_type->ExtraData) if (media_type->ExtraData)
{ {
if (media_type->ExtraDataSize < 12)
return FALSE;
media_type->ExtraData += 12; media_type->ExtraData += 12;
media_type->ExtraDataSize -= 12; media_type->ExtraDataSize -= 12;
} }