Mercurial > hg > nginx
diff src/event/quic/ngx_event_quic_transport.c @ 8757:dcc57827098d quic
QUIC: fixed parsing of unknown frame types.
The ngx_quic_frame_allowed() function only expects known frame types.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Mon, 19 Apr 2021 11:36:41 +0300 |
parents | b4e6b7049984 |
children | 17492dfd4744 |
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--- a/src/event/quic/ngx_event_quic_transport.c Thu Apr 15 12:17:19 2021 +0300 +++ b/src/event/quic/ngx_event_quic_transport.c Mon Apr 19 11:36:41 2021 +0300 @@ -742,6 +742,13 @@ return NGX_ERROR; } + if (varint > NGX_QUIC_FT_LAST) { + pkt->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR; + ngx_log_error(NGX_LOG_INFO, pkt->log, 0, + "quic unknown frame type 0x%xL", varint); + return NGX_ERROR; + } + f->type = varint; if (ngx_quic_frame_allowed(pkt, f->type) != NGX_OK) {