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authorErlang/OTP <[email protected]>2015-06-01 12:06:32 +0200
committerErlang/OTP <[email protected]>2015-06-01 12:06:32 +0200
commit27e0d318073323dc39f234607e02a56a54b2f80f (patch)
tree89aeb0c21e34ef7abe5f84d8d2b740b9b552a416 /lib/ssl/src
parent6ba8e4dcff857ef6933a7c91c7d85c165977a970 (diff)
parente672dc646520c7d8e4227c401fa3a60f6cbaf67b (diff)
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Merge branch 'ia/ssl/crypto-bad-input/OTP-12783' into maint-17
* ia/ssl/crypto-bad-input/OTP-12783: ssl: Prepare for release ssl: Correct handling of bad input to premaster_secret calculation
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl.appup.src2
-rw-r--r--lib/ssl/src/ssl_handshake.erl34
2 files changed, 20 insertions, 16 deletions
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index 7986722094..d100e41930 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,12 +1,14 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {<<"6.0">>, [{load_module, ssl_handshake, soft_purge, soft_purge, []}]},
{<<"5\\.3\\.[1-7]($|\\..*)">>, [{restart_application, ssl}]},
{<<"5\\.[0-2]($|\\..*)">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
{<<"3\\..*">>, [{restart_application, ssl}]}
],
[
+ {<<"6.0">>, [{load_module, ssl_handshake, soft_purge, soft_purge, []}]},
{<<"5\\.3\\.[1-7]($|\\..*)">>, [{restart_application, ssl}]},
{<<"5\\.[0-2]($|\\..*)">>, [{restart_application, ssl}]},
{<<"4\\..*">>, [{restart_application, ssl}]},
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 88ccb94e0b..29b64f7a81 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013-2014. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -500,19 +500,27 @@ update_handshake_history({Handshake0, _Prev}, Data) ->
%% end.
premaster_secret(OtherPublicDhKey, MyPrivateKey, #'DHParameter'{} = Params) ->
- public_key:compute_key(OtherPublicDhKey, MyPrivateKey, Params);
-
+ try
+ public_key:compute_key(OtherPublicDhKey, MyPrivateKey, Params)
+ catch
+ error:computation_failed ->
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
+ end;
premaster_secret(PublicDhKey, PrivateDhKey, #server_dh_params{dh_p = Prime, dh_g = Base}) ->
- crypto:compute_key(dh, PublicDhKey, PrivateDhKey, [Prime, Base]);
+ try
+ crypto:compute_key(dh, PublicDhKey, PrivateDhKey, [Prime, Base])
+ catch
+ error:computation_failed ->
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
+ end;
premaster_secret(#client_srp_public{srp_a = ClientPublicKey}, ServerKey, #srp_user{prime = Prime,
verifier = Verifier}) ->
case crypto:compute_key(srp, ClientPublicKey, ServerKey, {host, [Verifier, Prime, '6a']}) of
error ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER));
PremasterSecret ->
PremasterSecret
end;
-
premaster_secret(#server_srp_params{srp_n = Prime, srp_g = Generator, srp_s = Salt, srp_b = Public},
ClientKeys, {Username, Password}) ->
case ssl_srp_primes:check_srp_params(Generator, Prime) of
@@ -520,21 +528,19 @@ premaster_secret(#server_srp_params{srp_n = Prime, srp_g = Generator, srp_s = Sa
DerivedKey = crypto:hash(sha, [Salt, crypto:hash(sha, [Username, <<$:>>, Password])]),
case crypto:compute_key(srp, Public, ClientKeys, {user, [DerivedKey, Prime, Generator, '6a']}) of
error ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER));
PremasterSecret ->
PremasterSecret
end;
_ ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER)
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
end;
-
premaster_secret(#client_rsa_psk_identity{
identity = PSKIdentity,
exchange_keys = #encrypted_premaster_secret{premaster_secret = EncPMS}
}, #'RSAPrivateKey'{} = Key, PSKLookup) ->
PremasterSecret = premaster_secret(EncPMS, Key),
psk_secret(PSKIdentity, PSKLookup, PremasterSecret);
-
premaster_secret(#server_dhe_psk_params{
hint = IdentityHint,
dh_params = #server_dh_params{dh_y = PublicDhKey} = Params},
@@ -542,7 +548,6 @@ premaster_secret(#server_dhe_psk_params{
LookupFun) ->
PremasterSecret = premaster_secret(PublicDhKey, PrivateDhKey, Params),
psk_secret(IdentityHint, LookupFun, PremasterSecret);
-
premaster_secret({rsa_psk, PSKIdentity}, PSKLookup, RSAPremasterSecret) ->
psk_secret(PSKIdentity, PSKLookup, RSAPremasterSecret).
@@ -551,13 +556,10 @@ premaster_secret(#client_dhe_psk_identity{
dh_public = PublicDhKey}, PrivateKey, #'DHParameter'{} = Params, PSKLookup) ->
PremasterSecret = premaster_secret(PublicDhKey, PrivateKey, Params),
psk_secret(PSKIdentity, PSKLookup, PremasterSecret).
-
premaster_secret(#client_psk_identity{identity = PSKIdentity}, PSKLookup) ->
psk_secret(PSKIdentity, PSKLookup);
-
premaster_secret({psk, PSKIdentity}, PSKLookup) ->
psk_secret(PSKIdentity, PSKLookup);
-
premaster_secret(#'ECPoint'{} = ECPoint, #'ECPrivateKey'{} = ECDHKeys) ->
public_key:compute_key(ECPoint, ECDHKeys);
premaster_secret(EncSecret, #'RSAPrivateKey'{} = RSAPrivateKey) ->
@@ -1933,7 +1935,7 @@ psk_secret(PSKIdentity, PSKLookup) ->
#alert{} = Alert ->
Alert;
_ ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER)
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
end.
psk_secret(PSKIdentity, PSKLookup, PremasterSecret) ->
@@ -1945,7 +1947,7 @@ psk_secret(PSKIdentity, PSKLookup, PremasterSecret) ->
#alert{} = Alert ->
Alert;
_ ->
- ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER)
+ throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
end.
handle_psk_identity(_PSKIdentity, LookupFun)