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openSUSE:Step:15-SP2
erlang.30244
fix-upstream-CVE-2022-37026.patch
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File fix-upstream-CVE-2022-37026.patch of Package erlang.30244
Index: otp-OTP-22.2.7/lib/ssl/src/ssl_connection.erl =================================================================== --- otp-OTP-22.2.7.orig/lib/ssl/src/ssl_connection.erl +++ otp-OTP-22.2.7/lib/ssl/src/ssl_connection.erl @@ -64,7 +64,7 @@ %% General gen_statem state functions with extra callback argument %% to determine if it is an SSL/TLS or DTLS gen_statem machine --export([init/4, error/4, hello/4, user_hello/4, abbreviated/4, certify/4, cipher/4, +-export([init/4, error/4, hello/4, user_hello/4, abbreviated/4, certify/4, wait_cert_verify/4, cipher/4, connection/4, downgrade/4]). %% gen_statem callbacks @@ -976,7 +976,7 @@ certify(internal, #certificate{asn1_cert ssl_options = #{verify := verify_peer, fail_if_no_peer_cert := false}} = State0, Connection) -> - Connection:next_event(?FUNCTION_NAME, no_record, State0#state{client_certificate_requested = false}); + Connection:next_event(?FUNCTION_NAME, no_record, State0#state{client_certificate_status = empty}); certify(internal, #certificate{}, #state{static_env = #static_env{role = server}, connection_env = #connection_env{negotiated_version = Version}, @@ -992,14 +992,19 @@ certify(internal, #certificate{} = Cert, cert_db_ref = CertDbRef, crl_db = CRLDbInfo}, connection_env = #connection_env{negotiated_version = Version}, - ssl_options = Opts} = State, Connection) -> + ssl_options = Opts} = State0, Connection) -> case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef, Opts, CRLDbInfo, Role, Host) of {PeerCert, PublicKeyInfo} -> - handle_peer_cert(Role, PeerCert, PublicKeyInfo, - State#state{client_certificate_requested = false}, Connection); + State = case Role of + server -> + State0#state{client_certificate_status = needs_verifying}; + client -> + State0 + end, + handle_peer_cert(Role, PeerCert, PublicKeyInfo, State, Connection); #alert{} = Alert -> - handle_own_alert(Alert, Version, ?FUNCTION_NAME, State) + handle_own_alert(Alert, Version, ?FUNCTION_NAME, State0) end; certify(internal, #server_key_exchange{exchange_keys = Keys}, #state{static_env = #static_env{role = client}, @@ -1065,7 +1070,7 @@ certify(internal, #certificate_request{} %% The client does not have a certificate and will send an empty reply, the server may fail %% or accept the connection by its own preference. No signature algorihms needed as there is %% no certificate to verify. - Connection:next_event(?FUNCTION_NAME, no_record, State#state{client_certificate_requested = true}); + Connection:next_event(?FUNCTION_NAME, no_record, State#state{client_certificate_status = requested}); certify(internal, #certificate_request{} = CertRequest, #state{static_env = #static_env{role = client}, handshake_env = HsEnv, @@ -1078,7 +1083,7 @@ certify(internal, #certificate_request{} handle_own_alert(Alert, Version, ?FUNCTION_NAME, State); NegotiatedHashSign -> Connection:next_event(?FUNCTION_NAME, no_record, - State#state{client_certificate_requested = true, + State#state{client_certificate_status = requested, handshake_env = HsEnv#handshake_env{cert_hashsign_algorithm = NegotiatedHashSign}}) end; %% PSK and RSA_PSK might bypass the Server-Key-Exchange @@ -1153,13 +1158,6 @@ certify(internal, #server_hello_done{}, #alert{} = Alert -> handle_own_alert(Alert, Version, ?FUNCTION_NAME, State0) end; -certify(internal = Type, #client_key_exchange{} = Msg, - #state{static_env = #static_env{role = server}, - client_certificate_requested = true, - ssl_options = #{fail_if_no_peer_cert := true}} = State, - Connection) -> - %% We expect a certificate here - handle_common_event(Type, Msg, ?FUNCTION_NAME, State, Connection); certify(internal, #client_key_exchange{exchange_keys = Keys}, State = #state{handshake_env = #handshake_env{kex_algorithm = KeyAlg}, connection_env = #connection_env{negotiated_version = Version}}, Connection) -> @@ -1203,24 +1201,22 @@ certify(Type, Msg, State, Connection) -> handle_common_event(Type, Msg, ?FUNCTION_NAME, State, Connection). %%-------------------------------------------------------------------- --spec cipher(gen_statem:event_type(), - #hello_request{} | #certificate_verify{} | #finished{} | term(), +-spec wait_cert_verify(gen_statem:event_type(), + #hello_request{} | #certificate_verify{} | term(), #state{}, tls_connection | dtls_connection) -> gen_statem:state_function_result(). %%-------------------------------------------------------------------- -cipher({call, From}, Msg, State, Connection) -> - handle_call(Msg, From, ?FUNCTION_NAME, State, Connection); -cipher(info, Msg, State, _) -> - handle_info(Msg, ?FUNCTION_NAME, State); -cipher(internal, #certificate_verify{signature = Signature, - hashsign_algorithm = CertHashSign}, - #state{static_env = #static_env{role = server}, - handshake_env = #handshake_env{tls_handshake_history = Hist, - kex_algorithm = KexAlg, - public_key_info = PubKeyInfo} = HsEnv, - connection_env = #connection_env{negotiated_version = Version}, - session = #session{master_secret = MasterSecret} - } = State, Connection) -> +wait_cert_verify(internal, #certificate_verify{signature = Signature, + hashsign_algorithm = CertHashSign}, + #state{static_env = #static_env{role = server, + protocol_cb = Connection}, + client_certificate_status = needs_verifying, + handshake_env = #handshake_env{tls_handshake_history = Hist, + kex_algorithm = KexAlg, + public_key_info = PubKeyInfo}, + connection_env = #connection_env{negotiated_version = Version}, + session = #session{master_secret = MasterSecret} = Session0 + } = State, Connection) -> TLSVersion = ssl:tls_version(Version), %% Use negotiated value if TLS-1.2 otherwhise return default @@ -1228,11 +1224,28 @@ cipher(internal, #certificate_verify{sig case ssl_handshake:certificate_verify(Signature, PubKeyInfo, TLSVersion, HashSign, MasterSecret, Hist) of valid -> - Connection:next_event(?FUNCTION_NAME, no_record, - State#state{handshake_env = HsEnv#handshake_env{cert_hashsign_algorithm = HashSign}}); + Connection:next_event(cipher, no_record, + State#state{client_certificate_status = verified, + session = Session0#session{sign_alg = HashSign}}); #alert{} = Alert -> - handle_own_alert(Alert, Version, ?FUNCTION_NAME, State) + throw(Alert) end; +wait_cert_verify(internal, #hello_request{}, _, _) -> + keep_state_and_data; +wait_cert_verify(Type, Event, State, _) -> + ssl_gen_statem:handle_common_event(Type, Event, ?FUNCTION_NAME, State). + +%%-------------------------------------------------------------------- +-spec cipher(gen_statem:event_type(), + #hello_request{} | #finished{} | term(), + #state{}, tls_connection | dtls_connection) -> + gen_statem:state_function_result(). +%%-------------------------------------------------------------------- +cipher({call, From}, Msg, State, Connection) -> + handle_call(Msg, From, ?FUNCTION_NAME, State, Connection); +cipher(info, Msg, State, _) -> + handle_info(Msg, ?FUNCTION_NAME, State); + %% client must send a next protocol message if we are expecting it cipher(internal, #finished{}, #state{static_env = #static_env{role = server}, @@ -1387,10 +1400,6 @@ handle_common_event(internal, {protocol_ Connection:handle_protocol_record(TLSorDTLSRecord, StateName, State); handle_common_event(timeout, hibernate, _, _, _) -> {keep_state_and_data, [hibernate]}; -handle_common_event(internal, #change_cipher_spec{type = <<1>>}, StateName, - #state{connection_env = #connection_env{negotiated_version = Version}} = State, _) -> - handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE), Version, - StateName, State); handle_common_event({timeout, handshake}, close, _StateName, #state{start_or_recv_from = StartFrom} = State, _) -> {stop_and_reply, {shutdown, user_timeout}, @@ -1839,12 +1848,12 @@ handle_peer_cert_key(_, _, _, _, State) certify_client(#state{static_env = #static_env{role = client, cert_db = CertDbHandle, cert_db_ref = CertDbRef}, - client_certificate_requested = true, + client_certificate_status = requested, session = #session{own_certificate = OwnCert}} = State, Connection) -> Certificate = ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, client), Connection:queue_handshake(Certificate, State); -certify_client(#state{client_certificate_requested = false} = State, _) -> +certify_client(#state{client_certificate_status = not_requested} = State, _) -> State. verify_client_cert(#state{static_env = #static_env{role = client}, @@ -1852,7 +1861,7 @@ verify_client_cert(#state{static_env = # cert_hashsign_algorithm = HashSign}, connection_env = #connection_env{negotiated_version = Version, private_key = PrivateKey}, - client_certificate_requested = true, + client_certificate_status = requested, session = #session{master_secret = MasterSecret, own_certificate = OwnCert}} = State, Connection) -> @@ -1865,7 +1874,7 @@ verify_client_cert(#state{static_env = # #alert{} = Alert -> throw(Alert) end; -verify_client_cert(#state{client_certificate_requested = false} = State, _) -> +verify_client_cert(#state{client_certificate_status = not_requested} = State, _) -> State. client_certify_and_key_exchange(#state{connection_env = #connection_env{negotiated_version = Version}} = @@ -1875,7 +1884,7 @@ client_certify_and_key_exchange(#state{c {State2, Actions} = finalize_handshake(State1, certify, Connection), State = State2#state{ %% Reinitialize - client_certificate_requested = false}, + client_certificate_status = not_requested}, Connection:next_event(cipher, no_record, State, Actions) catch throw:#alert{} = Alert -> @@ -1894,7 +1903,8 @@ server_certify_and_key_exchange(State0, certify_client_key_exchange(#encrypted_premaster_secret{premaster_secret= EncPMS}, #state{connection_env = #connection_env{private_key = Key}, - handshake_env = #handshake_env{client_hello_version = {Major, Minor} = Version}} + handshake_env = #handshake_env{client_hello_version = {Major, Minor} = Version}, + client_certificate_status = CCStatus} = State, Connection) -> FakeSecret = make_premaster_secret(Version, rsa), %% Countermeasure for Bleichenbacher attack always provide some kind of premaster secret @@ -1914,55 +1924,63 @@ certify_client_key_exchange(#encrypted_p #alert{description = ?DECRYPT_ERROR} -> FakeSecret end, - calculate_master_secret(PremasterSecret, State, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPublicDhKey}, #state{handshake_env = #handshake_env{diffie_hellman_params = #'DHParameter'{} = Params, - kex_keys = {_, ServerDhPrivateKey}} - } = State, + kex_keys = {_, ServerDhPrivateKey}}, + client_certificate_status = CCStatus} = State, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientPublicDhKey, ServerDhPrivateKey, Params), - calculate_master_secret(PremasterSecret, State, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_ec_diffie_hellman_public{dh_public = ClientPublicEcDhPoint}, - #state{handshake_env = #handshake_env{kex_keys = ECDHKey}} = State, Connection) -> + #state{handshake_env = #handshake_env{kex_keys = ECDHKey}, client_certificate_status = CCStatus} = State, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(#'ECPoint'{point = ClientPublicEcDhPoint}, ECDHKey), - calculate_master_secret(PremasterSecret, State, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_psk_identity{} = ClientKey, #state{ssl_options = - #{user_lookup_fun := PSKLookup}} = State0, + #{user_lookup_fun := PSKLookup}, client_certificate_status = CCStatus} = State0, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientKey, PSKLookup), - calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State0, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_dhe_psk_identity{} = ClientKey, #state{handshake_env = #handshake_env{diffie_hellman_params = #'DHParameter'{} = Params, kex_keys = {_, ServerDhPrivateKey}}, ssl_options = - #{user_lookup_fun := PSKLookup}} = State0, + #{user_lookup_fun := PSKLookup}, client_certificate_status = CCStatus} = State0, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientKey, ServerDhPrivateKey, Params, PSKLookup), - calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State0, Connection, certify, client_certificate_status = CCStatus); certify_client_key_exchange(#client_ecdhe_psk_identity{} = ClientKey, #state{handshake_env = #handshake_env{kex_keys = ServerEcDhPrivateKey}, ssl_options = - #{user_lookup_fun := PSKLookup}} = State, + #{user_lookup_fun := PSKLookup}, client_certificate_status = CCStatus} = State, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientKey, ServerEcDhPrivateKey, PSKLookup), - calculate_master_secret(PremasterSecret, State, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_rsa_psk_identity{} = ClientKey, #state{connection_env = #connection_env{private_key = Key}, ssl_options = - #{user_lookup_fun := PSKLookup}} = State0, + #{user_lookup_fun := PSKLookup}, client_certificate_status = CCStatus} = State0, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientKey, Key, PSKLookup), - calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher); + calculate_master_secret(PremasterSecret, State0, Connection, certify, client_kex_next_state(CCStatus)); certify_client_key_exchange(#client_srp_public{} = ClientKey, #state{handshake_env = #handshake_env{srp_params = Params, - kex_keys = Key} + kex_keys = Key}, + client_certificate_status = CCStatus } = State0, Connection) -> PremasterSecret = ssl_handshake:premaster_secret(ClientKey, Key, Params), - calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher). + calculate_master_secret(PremasterSecret, State0, Connection, certify, client_kex_next_state(CCStatus)). + +client_kex_next_state(needs_verifying) -> + wait_cert_verify; +client_kex_next_state(empty) -> + cipher; +client_kex_next_state(not_requested) -> + cipher. certify_server(#state{handshake_env = #handshake_env{kex_algorithm = KexAlg}} = State, _) when KexAlg == dh_anon; @@ -2295,7 +2313,7 @@ request_client_cert(#state{static_env = Msg = ssl_handshake:certificate_request(CipherSuite, CertDbHandle, CertDbRef, HashSigns, TLSVersion), State = Connection:queue_handshake(Msg, State0), - State#state{client_certificate_requested = true}; + State#state{client_certificate_status = requested}; request_client_cert(#state{ssl_options = #{verify := verify_none}} = State, _) -> Index: otp-OTP-22.2.7/lib/ssl/src/ssl_connection.hrl =================================================================== --- otp-OTP-22.2.7.orig/lib/ssl/src/ssl_connection.hrl +++ otp-OTP-22.2.7/lib/ssl/src/ssl_connection.hrl @@ -109,7 +109,7 @@ %% need to worry about packet loss in TLS. In DTLS we %% need to track DTLS handshake seqnr flight_buffer = [] :: list() | map(), - client_certificate_requested = false :: boolean(), + client_certificate_status = not_requested :: not_requested | requested | empty | needs_verifying | verified, protocol_specific = #{} :: map(), session :: #session{} | secret_printout(), key_share, @@ -141,8 +141,8 @@ %% session_cache_cb - not implemented %% crl_db - not implemented %% client_hello_version - Bleichenbacher mitigation in TLS 1.2 -%% client_certificate_requested - Built into TLS 1.3 state machine -%% key_algorithm - not used +%% client_certificate_status - Built into TLS 1.3 state machine +%% key_algorithm - only uses not_requested and requested %% diffie_hellman_params - used in TLS 1.2 ECDH key exchange %% diffie_hellman_keys - used in TLS 1.2 ECDH key exchange %% psk_identity - not used Index: otp-OTP-22.2.7/lib/ssl/src/tls_handshake_1_3.erl =================================================================== --- otp-OTP-22.2.7.orig/lib/ssl/src/tls_handshake_1_3.erl +++ otp-OTP-22.2.7/lib/ssl/src/tls_handshake_1_3.erl @@ -1045,7 +1045,7 @@ handle_resumption(#state{handshake_env = State#state{handshake_env = HSEnv}. -maybe_queue_cert_cert_cv(#state{client_certificate_requested = false} = State) -> +maybe_queue_cert_cert_cv(#state{client_certificate_status = not_requested} = State) -> {ok, State}; maybe_queue_cert_cert_cv(#state{connection_states = _ConnectionStates0, session = #session{session_id = _SessionId, @@ -1204,7 +1204,7 @@ maybe_send_session_ticket(#state{connect process_certificate_request(#certificate_request_1_3{}, #state{session = #session{own_certificate = undefined}} = State) -> - {ok, {State#state{client_certificate_requested = true}, wait_cert}}; + {ok, {State#state{client_certificate_status = requested}, wait_cert}}; process_certificate_request(#certificate_request_1_3{ extensions = Extensions}, @@ -1219,10 +1219,10 @@ process_certificate_request(#certificate %% Check if server supports signature algorithm of client certificate case check_cert_sign_algo(SignAlgo, SignHash, ServerSignAlgs, ServerSignAlgsCert) of ok -> - {ok, {State#state{client_certificate_requested = true}, wait_cert}}; + {ok, {State#state{client_certificate_status = requested}, wait_cert}}; {error, _} -> %% Certificate not supported: send empty certificate in state 'wait_finished' - {ok, {State#state{client_certificate_requested = true, + {ok, {State#state{client_certificate_status = requested, session = Session#session{own_certificate = undefined}}, wait_cert}} end. Index: otp-OTP-22.2.7/lib/ssl/src/tls_connection.erl =================================================================== --- otp-OTP-22.2.7.orig/lib/ssl/src/tls_connection.erl +++ otp-OTP-22.2.7/lib/ssl/src/tls_connection.erl @@ -67,7 +67,7 @@ %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states - hello/3, user_hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states + hello/3, user_hello/3, certify/3, wait_cert_verify/3, cipher/3, abbreviated/3, %% Handshake states connection/3]). %% TLS 1.3 state functions (server) -export([start/3, %% common state with client @@ -304,7 +304,28 @@ next_event(StateName, #alert{} = Alert, {next_state, StateName, State, [{next_event, internal, Alert} | Actions]}. %%% TLS record protocol level application data messages -handle_protocol_record(#ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, StateName, +handle_protocol_record(#ssl_tls{type = ?APPLICATION_DATA}, StateName, + #state{static_env = #static_env{role = server}, + connection_env = #connection_env{negotiated_version = Version}, + handshake_env = #handshake_env{renegotiation = {false, first}} + } = State) when StateName == initial_hello; + StateName == hello; + StateName == certify; + StateName == wait_cert_verify; + StateName == wait_ocsp_stapling; + StateName == abbreviated; + StateName == cipher + -> + %% Application data can not be sent before initial handshake pre TLS-1.3. + Alert = ?ALERT_REC(?FATAL, ?UNEXPECTED_MESSAGE, application_data_before_initial_handshake), + ssl_gen_statem:handle_own_alert(Alert, Version, StateName, State); +handle_protocol_record(#ssl_tls{type = ?APPLICATION_DATA}, start = StateName, + #state{static_env = #static_env{role = server}, + connection_env = #connection_env{negotiated_version = Version} + } = State) -> + Alert = ?ALERT_REC(?FATAL, ?DECODE_ERROR, invalid_tls_13_message), + ssl_gen_statem:handle_own_alert(Alert, Version, StateName, State); +handle_protocol_record(#ssl_tls{type = ?APPLICATION_DATA, fragment = Data}, StateName, #state{start_or_recv_from = From, socket_options = #socket_options{active = false}} = State0) when From =/= undefined -> case ssl_connection:read_application_data(Data, State0) of @@ -793,6 +814,18 @@ certify(Type, Event, State) -> gen_handshake(?FUNCTION_NAME, Type, Event, State). %%-------------------------------------------------------------------- +-spec wait_cert_verify(gen_statem:event_type(), term(), #state{}) -> + gen_statem:state_function_result(). +%%-------------------------------------------------------------------- +wait_cert_verify(info, Event, State) -> + gen_info(Event, ?FUNCTION_NAME, State); +wait_cert_verify(Type, Event, #state{connection_env = #connection_env{negotiated_version = Version}} = State) -> + try gen_handshake(?FUNCTION_NAME, Type, Event, State) + catch throw:#alert{} = Alert -> + ssl_gen_statem:handle_own_alert(Alert, Version, ?FUNCTION_NAME, State) + end. + +%%-------------------------------------------------------------------- -spec cipher(gen_statem:event_type(), term(), #state{}) -> gen_statem:state_function_result(). %%-------------------------------------------------------------------- Index: otp-OTP-22.2.7/lib/ssl/src/dtls_connection.erl =================================================================== --- otp-OTP-22.2.7.orig/lib/ssl/src/dtls_connection.erl +++ otp-OTP-22.2.7/lib/ssl/src/dtls_connection.erl @@ -55,7 +55,7 @@ %% gen_statem state functions -export([init/3, error/3, downgrade/3, %% Initiation and take down states - hello/3, user_hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states + hello/3, user_hello/3, certify/3, wait_cert_verify/3, cipher/3, abbreviated/3, %% Handshake states connection/3]). %% gen_statem callbacks -export([callback_mode/0, terminate/3, code_change/4, format_status/2]). @@ -658,6 +658,23 @@ certify(Type, Event, State) -> gen_handshake(?FUNCTION_NAME, Type, Event, State). %%-------------------------------------------------------------------- +-spec wait_cert_verify(gen_statem:event_type(), term(), #state{}) -> + gen_statem:state_function_result(). +%%-------------------------------------------------------------------- +wait_cert_verify(enter, _Event, State0) -> + {State, Actions} = handle_flight_timer(State0), + {keep_state, State, Actions}; +wait_cert_verify(info, Event, State) -> + gen_info(Event, ?FUNCTION_NAME, State); +wait_cert_verify(state_timeout, Event, State) -> + handle_state_timeout(Event, ?FUNCTION_NAME, State); +wait_cert_verify(Type, Event, #state{connection_env = #connection_env{negotiated_version = Version}} = State) -> + try gen_handshake(?FUNCTION_NAME, Type, Event, State) + catch throw:#alert{} = Alert -> + ssl_gen_statem:handle_own_alert(Alert, Version, ?FUNCTION_NAME, State) + end. + +%%-------------------------------------------------------------------- -spec cipher(gen_statem:event_type(), term(), #state{}) -> gen_statem:state_function_result(). %%--------------------------------------------------------------------
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