diff options
Diffstat (limited to 'test/security_SUITE.erl')
-rw-r--r-- | test/security_SUITE.erl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/security_SUITE.erl b/test/security_SUITE.erl index f06cec5..6e217d5 100644 --- a/test/security_SUITE.erl +++ b/test/security_SUITE.erl @@ -39,6 +39,7 @@ groups() -> http2_empty_frame_flooding_push_promise, http2_ping_flood, http2_reset_flood, + http2_cancel_flood, http2_settings_flood, http2_zero_length_header_leak ], @@ -72,12 +73,51 @@ init_dispatch(_) -> cowboy_router:compile([{"localhost", [ {"/", hello_h, []}, {"/echo/:key", echo_h, []}, + {"/delay_hello", delay_hello_h, 1000}, {"/long_polling", long_polling_h, []}, {"/resp/:key[/:arg]", resp_h, []} ]}]). %% Tests. +http2_cancel_flood(Config) -> + doc("Confirm that Cowboy detects the rapid reset attack. (CVE-2023-44487)"), + do_http2_cancel_flood(Config, 1, 500), + do_http2_cancel_flood(Config, 10, 50), + do_http2_cancel_flood(Config, 500, 1), + ok. + +do_http2_cancel_flood(Config, NumStreamsPerBatch, NumBatches) -> + {ok, Socket} = rfc7540_SUITE:do_handshake(Config), + {HeadersBlock, _} = cow_hpack:encode([ + {<<":method">>, <<"GET">>}, + {<<":scheme">>, <<"http">>}, + {<<":authority">>, <<"localhost">>}, %% @todo Correct port number. + {<<":path">>, <<"/delay_hello">>} + ]), + AllStreamIDs = lists:seq(1, NumBatches * NumStreamsPerBatch * 2, 2), + _ = lists:foldl( + fun (_BatchNumber, AvailableStreamIDs) -> + %% Take a bunch of IDs from the available stream IDs. + %% Send HEADERS for all these and then cancel them. + {IDs, RemainingStreamIDs} = lists:split(NumStreamsPerBatch, AvailableStreamIDs), + _ = gen_tcp:send(Socket, [cow_http2:headers(ID, fin, HeadersBlock) || ID <- IDs]), + _ = gen_tcp:send(Socket, [<<4:24, 3:8, 0:8, ID:32, 8:32>> || ID <- IDs]), + RemainingStreamIDs + end, + AllStreamIDs, + lists:seq(1, NumBatches, 1)), + %% When Cowboy detects a flood it must close the connection. + case gen_tcp:recv(Socket, 17, 6000) of + {ok, <<_:24, 7:8, 0:8, 0:32, _LastStreamId:32, 11:32>>} -> + %% GOAWAY with error code 11 = ENHANCE_YOUR_CALM. + ok; + %% We also accept the connection being closed immediately, + %% which may happen because we send the GOAWAY right before closing. + {error, closed} -> + ok + end. + http2_data_dribble(Config) -> doc("Request a very large response then update the window 1 byte at a time. (CVE-2019-9511)"), {ok, Socket} = rfc7540_SUITE:do_handshake(Config), |