ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Sat Oct 4 22:15:07 2014 +0200| [cee4490b521fd0d02476d46aa2598af24fb8d686] | committer: Anton Khirnov
on2avc: check number of channels Fixes invalid memory access. CC: libav-sta...@libav.org Bug-ID: CVE-2014-8549 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Anton Khirnov <an...@khirnov.net> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=cee4490b521fd0d02476d46aa2598af24fb8d686 --- libavcodec/on2avc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/on2avc.c b/libavcodec/on2avc.c index deaa2b4..c00339f 100644 --- a/libavcodec/on2avc.c +++ b/libavcodec/on2avc.c @@ -918,6 +918,10 @@ static av_cold int on2avc_decode_init(AVCodecContext *avctx) av_log(avctx, AV_LOG_ERROR, "0x500 version should be mono\n"); return AVERROR_INVALIDDATA; } + if (avctx->channels > 2) { + av_log(avctx, AV_LOG_ERROR, "Only 1 or 2 channels are supported.\n"); + return AVERROR(EINVAL); + } if (avctx->channels == 2) av_log(avctx, AV_LOG_WARNING, "Stereo mode support is not good, patch is welcome\n"); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
