Mercurial > hg > nginx
changeset 9283:bbdcab20d67e
QUIC: ignore CRYPTO frames after handshake completion.
Sending handshake-level CRYPTO frames after the client's Finished message could
lead to memory disclosure and a potential segfault, if those frames are sent in
one packet with the Finished frame.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Tue, 28 May 2024 17:19:08 +0400 |
| parents | acb8548c00e9 |
| children | 5c6649b4308f |
| files | src/event/quic/ngx_event_quic_ssl.c |
| diffstat | 1 files changed, 5 insertions(+), 0 deletions(-) [+] |
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--- a/src/event/quic/ngx_event_quic_ssl.c +++ b/src/event/quic/ngx_event_quic_ssl.c @@ -326,6 +326,11 @@ ngx_quic_handle_crypto_frame(ngx_connect ngx_quic_crypto_frame_t *f; qc = ngx_quic_get_connection(c); + + if (!ngx_quic_keys_available(qc->keys, pkt->level, 0)) { + return NGX_OK; + } + ctx = ngx_quic_get_send_ctx(qc, pkt->level); f = &frame->u.crypto;