details: https://hg.nginx.org/nginx/rev/04bc350b2919
branches: stable-1.26
changeset: 9261:04bc350b2919
user: Sergey Kandaurov <pluk...@nginx.com>
date: Tue May 28 17:17:19 2024 +0400
description:
QUIC: client transport parameter data length checking.
diffstat:
src/event/quic/ngx_event_quic_transport.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diffs (18 lines):
diff -r b317a71f75ae -r 04bc350b2919 src/event/quic/ngx_event_quic_transport.c
--- a/src/event/quic/ngx_event_quic_transport.c Thu May 23 19:15:38 2024 +0400
+++ b/src/event/quic/ngx_event_quic_transport.c Tue May 28 17:17:19 2024 +0400
@@ -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) {
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