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diff src/event/quic/ngx_event_quic_transport.c @ 9281:081d4beeb591

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QUIC: client transport parameter data length checking.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 28 May 2024 17:17:19 +0400
parents 7ec761f0365f
children
line wrap: on
line diff
--- a/src/event/quic/ngx_event_quic_transport.c
+++ b/src/event/quic/ngx_event_quic_transport.c
@@ -1750,6 +1750,14 @@ ngx_quic_parse_transport_params(u_char *
             return NGX_ERROR;
         }
 
+        if ((size_t) (end - p) < len) {
+            ngx_log_error(NGX_LOG_INFO, log, 0,
+                          "quic failed to parse"
+                          " transport param id:0x%xL, data length %uL too long",
+                          id, len);
+            return NGX_ERROR;
+        }
+
         rc = ngx_quic_parse_transport_param(p, p + len, id, tp);
 
         if (rc == NGX_ERROR) {