openssl.git
4 years agoFix error checking and memory leaks in NISTZ256 precomputation.
Emilia Kasper [Fri, 24 Apr 2015 13:38:24 +0000 (15:38 +0200)]
Fix error checking and memory leaks in NISTZ256 precomputation.

Thanks to Brian Smith for reporting these issues.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 53dd4ddf71ad79a64be934ca19445b1cf560adab)

4 years agoCorrectly set Z_is_one on the return value in the NISTZ256 implementation.
Emilia Kasper [Fri, 24 Apr 2015 13:19:15 +0000 (15:19 +0200)]
Correctly set Z_is_one on the return value in the NISTZ256 implementation.

Also add a few comments about constant-timeness.

Thanks to Brian Smith for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoFix CRYPTO_strdup
Loganaden Velvindron [Wed, 22 Apr 2015 15:16:30 +0000 (16:16 +0100)]
Fix CRYPTO_strdup

The function CRYPTO_strdup (aka OPENSSL_strdup) fails to check the return
value from CRYPTO_malloc to see if it is NULL before attempting to use it.
This patch adds a NULL check.

RT3786

Signed-off-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 37b0cf936744d9edb99b5dd82cae78a7eac6ad60)

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 20d21389c8b6f5b754573ffb6a4dc4f3986f2ca4)

4 years agoRepair EAP-FAST session resumption
Emilia Kasper [Tue, 21 Apr 2015 16:12:58 +0000 (18:12 +0200)]
Repair EAP-FAST session resumption

EAP-FAST session resumption relies on handshake message lookahead
to determine server intentions. Commits
980bc1ec6114f5511b20c2e6ca741e61a39b99d6
and
7b3ba508af5c86afe43e28174aa3c53a0a24f4d9
removed the lookahead so broke session resumption.

This change partially reverts the commits and brings the lookahead back
in reduced capacity for TLS + EAP-FAST only. Since EAP-FAST does not
support regular session tickets, the lookahead now only checks for a
Finished message.

Regular handshakes are unaffected by this change.

Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 6e3d015363ed09c4eff5c02ad41153387ffdf5af)

4 years agoInitialize variable
Emilia Kasper [Tue, 14 Apr 2015 15:42:42 +0000 (17:42 +0200)]
Initialize variable

newsig may be used (freed) uninitialized on a malloc error.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 68249414405500660578b337f1c8dd5dd4bb5bcc)

4 years agomake update
Emilia Kasper [Thu, 16 Apr 2015 16:07:58 +0000 (18:07 +0200)]
make update

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoInitialised 'ok' and redo the logic.
Richard Levitte [Wed, 25 Mar 2015 13:41:58 +0000 (14:41 +0100)]
Initialised 'ok' and redo the logic.

The logic with how 'ok' was calculated didn't quite convey what's "ok",
so the logic is slightly redone to make it less confusing.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 06affe3dac65592a341547f5a47e52cedb7b71f8)

4 years agoFix return checks in GOST engine
Matt Caswell [Fri, 13 Mar 2015 16:48:01 +0000 (16:48 +0000)]
Fix return checks in GOST engine

Filled in lots of return value checks that were missing the GOST engine, and
added appropriate error handling.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 8817e2e0c998757d3bd036d7f45fe8d0a49fbe2d)

4 years agoFix misc NULL derefs in sureware engine
Matt Caswell [Fri, 13 Mar 2015 15:04:54 +0000 (15:04 +0000)]
Fix misc NULL derefs in sureware engine

Fix miscellaneous NULL pointer derefs in the sureware engine.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 7b611e5fe8eaac9512f72094c460f3ed6040076a)

4 years agoaes/asm/aesni-x86.pl: fix typo affecting Windows build.
Andy Polyakov [Mon, 20 Apr 2015 15:49:29 +0000 (17:49 +0200)]
aes/asm/aesni-x86.pl: fix typo affecting Windows build.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 7be6bc68c6baef87d4d730c2505a05810a5a1684)

4 years agoaes/asm/aesni-x86[_64].pl update.
Andy Polyakov [Fri, 23 Jan 2015 16:27:10 +0000 (17:27 +0100)]
aes/asm/aesni-x86[_64].pl update.

This addresses

- request for improvement for faster key setup in RT#3576;
- clearing registers and stack in RT#3554 (this is more of a gesture to
see if there will be some traction from compiler side);
- more commentary around input parameters handling and stack layout
(desired when RT#3553 was reviewed);
- minor size and single block performance optimization (was lying around);

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 23f6eec71dbd472044db7dc854599f1de14a1f48)

4 years agoFix verify algorithm.
Dr. Stephen Henson [Tue, 24 Mar 2015 16:21:21 +0000 (16:21 +0000)]
Fix verify algorithm.

Disable loop checking when we retry verification with an alternative path.
This fixes the case where an intermediate CA is explicitly trusted and part
of the untrusted certificate list. By disabling loop checking for this case
the untrusted CA can be replaced by the explicitly trusted case and
verification will succeed.

Signed-off-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit e5991ec528b1c339062440811e2641f5ea2b328b)

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoAdd documentation for the -no_alt_chains option for various apps, as well as
Matt Caswell [Tue, 27 Jan 2015 11:15:15 +0000 (11:15 +0000)]
Add documentation for the -no_alt_chains option for various apps, as well as
the X509_V_FLAG_NO_ALT_CHAINS flag.

Conflicts:
doc/apps/cms.pod
doc/apps/ocsp.pod
doc/apps/s_client.pod
doc/apps/s_server.pod
doc/apps/smime.pod
doc/apps/verify.pod

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoAdd -no_alt_chains option to apps to implement the new
Matt Caswell [Tue, 27 Jan 2015 10:50:38 +0000 (10:50 +0000)]
Add -no_alt_chains option to apps to implement the new
X509_V_FLAG_NO_ALT_CHAINS flag. Using this option means that when building
certificate chains, the first chain found will be the one used. Without this
flag, if the first chain found is not trusted then we will keep looking to
see if we can build an alternative chain instead.

Conflicts:
apps/cms.c
apps/ocsp.c
apps/s_client.c
apps/s_server.c
apps/smime.c
apps/verify.c

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoAdd flag to inhibit checking for alternate certificate chains. Setting this
Matt Caswell [Tue, 27 Jan 2015 10:35:27 +0000 (10:35 +0000)]
Add flag to inhibit checking for alternate certificate chains. Setting this
behaviour will force behaviour as per previous versions of OpenSSL

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoIn certain situations the server provided certificate chain may no longer be
Matt Caswell [Tue, 27 Jan 2015 10:03:29 +0000 (10:03 +0000)]
In certain situations the server provided certificate chain may no longer be
valid. However the issuer of the leaf, or some intermediate cert is in fact
in the trust store.

When building a trust chain if the first attempt fails, then try to see if
alternate chains could be constructed that are trusted.

RT3637
RT3621

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoFix encoding bug in i2c_ASN1_INTEGER
Dr. Stephen Henson [Thu, 16 Apr 2015 15:43:09 +0000 (16:43 +0100)]
Fix encoding bug in i2c_ASN1_INTEGER

Fix bug where i2c_ASN1_INTEGER mishandles zero if it is marked as
negative.

Thanks to Huzaifa Sidhpurwala <huzaifas@redhat.com> and
Hanno Böck <hanno@hboeck.de> for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit a0eed48d37a4b7beea0c966caf09ad46f4a92a44)

4 years agoError out immediately on empty ciphers list.
Emilia Kasper [Wed, 15 Apr 2015 12:18:55 +0000 (14:18 +0200)]
Error out immediately on empty ciphers list.

A 0-length ciphers list is never permitted. The old code only used to
reject an empty ciphers list for connections with a session ID. It
would later error out on a NULL structure, so this change just moves
the alert closer to the problem source.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 3ae91cfb327c9ed689b9aaf7bca01a3f5a0657cb)

4 years agoUse -Wall -Wextra with clang
Emilia Kasper [Thu, 16 Apr 2015 16:46:52 +0000 (18:46 +0200)]
Use -Wall -Wextra with clang

The disabled set of -Weverything is hard to maintain across versions.
Use -Wall -Wextra but also document other useful warnings that currently trigger.

Reviewed-by: Rich Salz <rsalz@openssl.org>
4 years agoCode style: space after 'if'
Viktor Dukhovni [Thu, 16 Apr 2015 05:50:03 +0000 (01:50 -0400)]
Code style: space after 'if'

Reviewed-by: Matt Caswell <gitlab@openssl.org>
4 years agoLimit depth of nested sequences when generating ASN.1
Dr. Stephen Henson [Wed, 15 Apr 2015 23:00:40 +0000 (00:00 +0100)]
Limit depth of nested sequences when generating ASN.1

Reported by Hanno Böck <hanno@hboeck.de>
PR#3800

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit c4137b5e828d8fab0b244defb79257619dad8fc7)

4 years agoReject empty generation strings.
Dr. Stephen Henson [Wed, 15 Apr 2015 23:21:05 +0000 (00:21 +0100)]
Reject empty generation strings.

Reported by Hanno Böck <hanno@hboeck.de>

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 111b60bea01d234b5873488c19ff2b9c5d4d58e9)

4 years agoFix ssl_get_prev_session overrun
Matt Caswell [Fri, 10 Apr 2015 15:49:33 +0000 (16:49 +0100)]
Fix ssl_get_prev_session overrun

If OpenSSL is configured with no-tlsext then ssl_get_prev_session can read
past the end of the ClientHello message if the session_id length in the
ClientHello is invalid. This should not cause any security issues since the
underlying buffer is 16k in size. It should never be possible to overrun by
that many bytes.

This is probably made redundant by the previous commit - but you can never be
too careful.

With thanks to Qinghao Tang for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 5e0a80c1c9b2b06c2d203ad89778ce1b98e0b5ad)

4 years agoCheck for ClientHello message overruns
Matt Caswell [Fri, 10 Apr 2015 16:25:27 +0000 (17:25 +0100)]
Check for ClientHello message overruns

The ClientHello processing is insufficiently rigorous in its checks to make
sure that we don't read past the end of the message. This does not have
security implications due to the size of the underlying buffer - but still
needs to be fixed.

With thanks to Qinghao Tang for reporting this issue.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit c9642eb1ff79a30e2c7632ef8267cc34cc2b0d79)

4 years agodo_dirname: Don't change gen on failures
Kurt Roeckx [Sat, 11 Apr 2015 14:39:13 +0000 (16:39 +0200)]
do_dirname: Don't change gen on failures

It would set gen->d.dirn to a freed pointer in case X509V3_NAME_from_section
failed.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 8ec5c5dd361343d9017eff8547b19e86e4944ebc)

4 years agoX509_VERIFY_PARAM_free: Check param for NULL
Kurt Roeckx [Sat, 11 Apr 2015 15:08:38 +0000 (17:08 +0200)]
X509_VERIFY_PARAM_free: Check param for NULL

Reviewed-by: Viktor Dukhovni <openssl-users@dukhovni.org>
(cherry picked from commit f49baeff50d0be9c8d86aed6fb4a08841aa3da41)

4 years agoDon't set *pval to NULL in ASN1_item_ex_new.
Dr. Stephen Henson [Thu, 2 Apr 2015 12:45:14 +0000 (13:45 +0100)]
Don't set *pval to NULL in ASN1_item_ex_new.

While *pval is usually a pointer in rare circumstances it can be a long
value. One some platforms (e.g. WIN64) where
sizeof(long) < sizeof(ASN1_VALUE *) this will write past the field.

*pval is initialised correctly in the rest of ASN1_item_ex_new so setting it
to NULL is unecessary anyway.

Thanks to Julien Kauffmann for reporting this issue.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit f617b4969a9261b9d7d381670aefbe2cf766a2cb)

Conflicts:
crypto/asn1/tasn_new.c

4 years agoFix ECDH key identifier support.
Dr. Stephen Henson [Fri, 10 Apr 2015 01:33:44 +0000 (02:33 +0100)]
Fix ECDH key identifier support.

PR#3789

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 7a317fa07cf3d9952c574e7d214d371798fee42a)

4 years agoFix ECDH detection, add ECDH keyid test.
Dr. Stephen Henson [Fri, 10 Apr 2015 01:31:16 +0000 (02:31 +0100)]
Fix ECDH detection, add ECDH keyid test.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 9fdbc9df76a68a30df349c53f1ceeb915f82948c)

4 years agoHave mkerr.pl treat already existing multiline string defs properly
Richard Levitte [Wed, 8 Apr 2015 17:26:11 +0000 (19:26 +0200)]
Have mkerr.pl treat already existing multiline string defs properly

Since source reformat, we ended up with some error reason string
definitions that spanned two lines.  That in itself is fine, but we
sometimes edited them to provide better strings than what could be
automatically determined from the reason macro, for example:

    {ERR_REASON(SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER),
     "Peer haven't sent GOST certificate, required for selected ciphersuite"},

However, mkerr.pl didn't treat those two-line definitions right, and
they ended up being retranslated to whatever the macro name would
indicate, for example:

    {ERR_REASON(SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER),
     "No gost certificate sent by peer"},

Clearly not what we wanted.  This change fixes this problem.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 2cfdfe0918f03f8323c9523a2beb2b363ae86ca7)

4 years agoIgnore the non-dll windows specific build directories
Richard Levitte [Wed, 1 Apr 2015 09:36:18 +0000 (11:36 +0200)]
Ignore the non-dll windows specific build directories

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 37d92b1b2bb6e6e04d62d6f7774a2d8190a99174)

4 years agoAppease clang -Wshadow
Richard Levitte [Sat, 4 Apr 2015 14:53:44 +0000 (16:53 +0200)]
Appease clang -Wshadow

The macros BSWAP4 and BSWAP8 have statetemnt expressions
implementations that use local variable names that shadow variables
outside the macro call, generating warnings like this

e_aes_cbc_hmac_sha1.c:263:14: warning: declaration shadows a local variable
      [-Wshadow]
    seqnum = BSWAP8(blocks[0].q[0]);
             ^
../modes/modes_lcl.h:41:29: note: expanded from macro 'BSWAP8'
                            ^
e_aes_cbc_hmac_sha1.c:223:12: note: previous declaration is here
    size_t ret = 0;
           ^

Have clang be quiet by modifying the macro variable names slightly
(suffixing them with an underscore).

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 2da2a4349c1598ad0648405fe175e7846d893c45)

4 years agoAppease clang -Wgnu-statement-expression
Richard Levitte [Sat, 4 Apr 2015 14:33:20 +0000 (16:33 +0200)]
Appease clang -Wgnu-statement-expression

We use GNU statement expressions in crypto/md32_common.h, surrounded
by checks that GNU C is indeed used to compile.  It seems that clang,
at least on Linux, pretends to be GNU C, therefore finds the statement
expressions and then warns about them.

The solution is to have clang be quiet about it.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 04958e84d8079fa57a782db70f003c38b5b156fd)

4 years agoAppease clang -Wempty-translation-unit
Richard Levitte [Sat, 4 Apr 2015 14:22:26 +0000 (16:22 +0200)]
Appease clang -Wempty-translation-unit

ebcdic.c:284:7: warning: ISO C requires a translation unit to contain at least one
      declaration [-Wempty-translation-unit]
      ^
1 warning generated.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit c25dea53e9db2b4956c315f85dae3f1c2854fd2b)

4 years agoHarden SSLv2-supporting servers against Bleichenbacher's attack.
Emilia Kasper [Wed, 1 Apr 2015 15:08:45 +0000 (17:08 +0200)]
Harden SSLv2-supporting servers against Bleichenbacher's attack.

There is no indication that the timing differences are exploitable in
OpenSSL, and indeed there is some indication (Usenix '14) that they
are too small to be exploitable. Nevertheless, be careful and apply
the same countermeasures as in s3_srvr.c

Thanks to Nimrod Aviram, Sebastian Schinzel and Yuval Shavitt for
reporting this issue.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agomodes/asm/ghashv8-armx.pl: up to 90% performance improvement.
Andy Polyakov [Fri, 23 Jan 2015 16:04:19 +0000 (17:04 +0100)]
modes/asm/ghashv8-armx.pl: up to 90% performance improvement.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 7eeeb49e1103533bc81c234eb19613353866e474)

4 years agosha/asm/sha*-armv8.pl: add Denver and X-Gene esults.
Andy Polyakov [Sat, 28 Mar 2015 21:01:59 +0000 (22:01 +0100)]
sha/asm/sha*-armv8.pl: add Denver and X-Gene esults.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit be5a87a1b00aceba5484a7ec198ac622c9283def)

4 years agoaes/asm/aesv8-armx.pl: optimize for Cortex-A5x.
Andy Polyakov [Tue, 3 Mar 2015 21:05:25 +0000 (22:05 +0100)]
aes/asm/aesv8-armx.pl: optimize for Cortex-A5x.

ARM has optimized Cortex-A5x pipeline to favour pairs of complementary
AES instructions. While modified code improves performance of post-r0p0
Cortex-A53 performance by >40% (for CBC decrypt and CTR), it hurts
original r0p0. We favour later revisions, because one can't prevent
future from coming. Improvement on post-r0p0 Cortex-A57 exceeds 50%,
while new code is not slower on r0p0, or Apple A7 for that matter.

[Update even SHA results for latest Cortex-A53.]

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 94376cccb4ed5b376220bffe0739140ea9dad8c8)

4 years agoEnsure EC private keys retain leading zeros
Douglas E Engert [Wed, 25 Mar 2015 23:52:28 +0000 (23:52 +0000)]
Ensure EC private keys retain leading zeros

RFC5915 requires the use of the I2OSP primitive as defined in RFC3447
for storing an EC Private Key. This converts the private key into an
OCTETSTRING and retains any leading zeros. This commit ensures that those
leading zeros are present if required.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 30cd4ff294252c4b6a4b69cbef6a5b4117705d22)

Conflicts:
crypto/ec/ec_asn1.c

4 years agoec/asm/ecp_nistz256-x86_64.pl: update commentary with before-after performance data.
Andy Polyakov [Fri, 13 Mar 2015 10:12:19 +0000 (11:12 +0100)]
ec/asm/ecp_nistz256-x86_64.pl: update commentary with before-after performance data.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit b06a6f7cc44baa0c17207a8f72c4ac360be7b555)

4 years agoFix bug in s_client. Previously default verify locations would only be loaded
Matt Caswell [Wed, 25 Feb 2015 11:30:43 +0000 (11:30 +0000)]
Fix bug in s_client. Previously default verify locations would only be loaded
if CAfile or CApath were also supplied and successfully loaded first.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix HMAC to pass invalid key len test
Matt Caswell [Tue, 10 Feb 2015 13:15:25 +0000 (13:15 +0000)]
Fix HMAC to pass invalid key len test

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoAdd HMAC test for invalid key len
Matt Caswell [Tue, 10 Feb 2015 13:15:05 +0000 (13:15 +0000)]
Add HMAC test for invalid key len

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoEnsure that both the MD and key have been initialised before attempting to
Matt Caswell [Tue, 10 Feb 2015 11:39:52 +0000 (11:39 +0000)]
Ensure that both the MD and key have been initialised before attempting to
create an HMAC

Inspired by BoringSSL commit 2fe7f2d0d9a6fcc75b4e594eeec306cc55acd594

Reviewed-by: Richard Levitte <levitte@openssl.org>
Conflicts:
crypto/hmac/hmac.c

4 years agoAdd more HMAC tests
Matt Caswell [Tue, 10 Feb 2015 12:38:04 +0000 (12:38 +0000)]
Add more HMAC tests

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix RAND_(pseudo_)?_bytes returns
Matt Caswell [Thu, 26 Feb 2015 16:28:59 +0000 (16:28 +0000)]
Fix RAND_(pseudo_)?_bytes returns

Ensure all calls to RAND_bytes and RAND_pseudo_bytes have their return
value checked correctly

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoAdd ticket length before buffering DTLS message
Matt Caswell [Thu, 5 Feb 2015 13:59:16 +0000 (13:59 +0000)]
Add ticket length before buffering DTLS message

In ssl3_send_new_session_ticket the message to be sent is constructed. We
skip adding the length of the session ticket initially, then call
ssl_set_handshake_header, and finally go back and add in the length of the
ticket. Unfortunately, in DTLS, ssl_set_handshake_header also has the side
effect of buffering the message for subsequent retransmission if required.
By adding the ticket length after the call to ssl_set_handshake_header the
message that is buffered is incomplete, causing an invalid message to be
sent on retransmission.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 4f9fab6bd0253416eeace5a45142c7c4a83bc511)

Conflicts:
ssl/s3_srvr.c

4 years agoEnsure last_write_sequence is saved in DTLS1.2
Matt Caswell [Thu, 5 Feb 2015 13:54:37 +0000 (13:54 +0000)]
Ensure last_write_sequence is saved in DTLS1.2

In DTLS, immediately prior to epoch change, the write_sequence is supposed
to be stored in s->d1->last_write_sequence. The write_sequence is then reset
back to 00000000. In the event of retransmits of records from the previous
epoch, the last_write_sequence is restored. This commit fixes a bug in
DTLS1.2 where the write_sequence was being reset before last_write_sequence
was saved, and therefore retransmits are sent with incorrect sequence
numbers.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit d5d0a1cb1347d4a8547e78aec56c50c528186e50)

4 years agoDon't send a for ServerKeyExchange for kDHr and kDHd
Kurt Roeckx [Sat, 14 Mar 2015 22:23:26 +0000 (23:23 +0100)]
Don't send a for ServerKeyExchange for kDHr and kDHd

The certificate already contains the DH parameters in that case.
ssl3_send_server_key_exchange() would fail in that case anyway.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 93f1c13619c5b41f2dcfdbf6ae666f867922a87a)

4 years agoFix OCSP tests.
Dr. Stephen Henson [Tue, 24 Mar 2015 13:15:33 +0000 (13:15 +0000)]
Fix OCSP tests.

OCSP verification changes mean the OCSP tests now need -trusted_first

Reviewed-by: Matt Caswell <matt@openssl.org>
4 years agoConfiguration file examples.
Dr. Stephen Henson [Fri, 13 Mar 2015 14:16:32 +0000 (14:16 +0000)]
Configuration file examples.

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 7b68c30da01b4eedcd546f81844156646387cacb)

4 years agoMake OCSP response verification more flexible.
Dr. Stephen Henson [Sun, 22 Mar 2015 17:34:56 +0000 (17:34 +0000)]
Make OCSP response verification more flexible.

If a set of certificates is supplied to OCSP_basic_verify use those in
addition to any present in the OCSP response as untrusted CAs when
verifying a certificate chain.

PR#3668

Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 4ca5efc2874e094d6382b30416824eda6dde52fe)

4 years agoFix malloc define typo
Mike Frysinger [Sat, 21 Mar 2015 09:08:41 +0000 (05:08 -0400)]
Fix malloc define typo

Fix compilation failure when SCTP is compiled due to incorrect define.

Reported-by: Conrad Kostecki <ck+gentoobugzilla@bl4ckb0x.de>
URL: https://bugs.gentoo.org/543828

RT#3758
Signed-off-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 7c82e339a677f8546e1456c7a8f6788598a9de43)

4 years agoDon't check curves that haven't been sent
Matt Caswell [Fri, 20 Mar 2015 15:10:16 +0000 (15:10 +0000)]
Don't check curves that haven't been sent

Don't check that the curve appears in the list of acceptable curves for the
peer, if they didn't send us such a list (RFC 4492 does not require that the
extension be sent).

Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit b79d24101e3b5904b3770d60e32bdd6edc558337)

4 years agosha/asm/sha256-armv4.pl: adapt for use in Linux kernel context.
Andy Polyakov [Mon, 23 Mar 2015 12:34:03 +0000 (13:34 +0100)]
sha/asm/sha256-armv4.pl: adapt for use in Linux kernel context.

In cooperation with Ard Biesheuvel (Linaro) and Sami Tolvanen (Google).

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 2ecd32a1f8f0643ae7b38f59bbaf9f0d6ef326fe)

4 years agoFix no-ec with no-ec2m
Matt Caswell [Sun, 22 Mar 2015 15:58:00 +0000 (15:58 +0000)]
Fix no-ec with no-ec2m

Fix builds config'd with no-ec and no-ec2m. Technically this combination is
redundant - but the fix is straight forward. Fix from OpenWrt.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
4 years agoAdd DTLS tests to make test
Matt Caswell [Tue, 3 Mar 2015 16:08:58 +0000 (16:08 +0000)]
Add DTLS tests to make test

Updated test/testssl script to include the new DTLS capability in ssltest.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 3c381e54233be3d0dcbce7cc853c4767d979fe90)

4 years agoAdd DTLS support to ssltest
David Woodhouse [Tue, 3 Mar 2015 15:47:08 +0000 (15:47 +0000)]
Add DTLS support to ssltest

Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 98b8cdd32277cea829c31034a53f2487f750615d)

Conflicts:
ssl/ssltest.c

4 years agoAdd DTLS to SSL_get_version
David Woodhouse [Tue, 3 Mar 2015 15:39:26 +0000 (15:39 +0000)]
Add DTLS to SSL_get_version

Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 504e643e0996fb842ac183023c3a6b9049af50ea)

Conflicts:
ssl/ssl_lib.c

4 years agoPrepare for 1.0.2b-dev
Matt Caswell [Thu, 19 Mar 2015 13:34:56 +0000 (13:34 +0000)]
Prepare for 1.0.2b-dev

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoPrepare for 1.0.2a release OpenSSL_1_0_2a
Matt Caswell [Thu, 19 Mar 2015 13:31:16 +0000 (13:31 +0000)]
Prepare for 1.0.2a release

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agomake update
Matt Caswell [Thu, 19 Mar 2015 13:31:16 +0000 (13:31 +0000)]
make update

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix unsigned/signed warnings
Matt Caswell [Thu, 19 Mar 2015 11:35:33 +0000 (11:35 +0000)]
Fix unsigned/signed warnings

Fix some unsigned/signed warnings introduced as part of the fix
for CVE-2015-0293

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix a failure to NULL a pointer freed on error.
Matt Caswell [Thu, 19 Mar 2015 10:16:32 +0000 (10:16 +0000)]
Fix a failure to NULL a pointer freed on error.

Reported by the LibreSSL project as a follow on to CVE-2015-0209

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoUpdate NEWS file
Matt Caswell [Tue, 17 Mar 2015 16:50:16 +0000 (16:50 +0000)]
Update NEWS file

Update the NEWS file with the latest entries from CHANGES ready for the
release.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoUpdate CHANGES for release
Matt Caswell [Tue, 17 Mar 2015 16:36:37 +0000 (16:36 +0000)]
Update CHANGES for release

Update CHANGES file with all the latest fixes ready for the release.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix discrepancy in NEWS file
Matt Caswell [Tue, 17 Mar 2015 16:44:44 +0000 (16:44 +0000)]
Fix discrepancy in NEWS file

There was a discrepancy between the 1.0.2 version of NEWS and the 1.0.1
version. This fixes it.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix CHANGES discrepancies
Matt Caswell [Tue, 17 Mar 2015 15:58:40 +0000 (15:58 +0000)]
Fix CHANGES discrepancies

There were some discrepancies in the CHANGES file between the 1.0.1 version
and 1.0.2. This corrects it.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoRemove overlapping CHANGES/NEWS entries
Matt Caswell [Wed, 18 Mar 2015 09:48:03 +0000 (09:48 +0000)]
Remove overlapping CHANGES/NEWS entries

Remove entries from CHANGES and NEWS from letter releases that occur *after*
the next point release. Without this we get duplicate entries for the same
issue appearing multiple times.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix reachable assert in SSLv2 servers.
Emilia Kasper [Wed, 4 Mar 2015 17:05:02 +0000 (09:05 -0800)]
Fix reachable assert in SSLv2 servers.

This assert is reachable for servers that support SSLv2 and export ciphers.
Therefore, such servers can be DoSed by sending a specially crafted
SSLv2 CLIENT-MASTER-KEY.

Also fix s2_srvr.c to error out early if the key lengths are malformed.
These lengths are sent unencrypted, so this does not introduce an oracle.

CVE-2015-0293

This issue was discovered by Sean Burford (Google) and Emilia Käsper of
the OpenSSL development team.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
4 years agoPKCS#7: avoid NULL pointer dereferences with missing content
Emilia Kasper [Fri, 27 Feb 2015 15:52:23 +0000 (16:52 +0100)]
PKCS#7: avoid NULL pointer dereferences with missing content

In PKCS#7, the ASN.1 content component is optional.
This typically applies to inner content (detached signatures),
however we must also handle unexpected missing outer content
correctly.

This patch only addresses functions reachable from parsing,
decryption and verification, and functions otherwise associated
with reading potentially untrusted data.

Correcting all low-level API calls requires further work.

CVE-2015-0289

Thanks to Michal Zalewski (Google) for reporting this issue.

Reviewed-by: Steve Henson <steve@openssl.org>
4 years agoFix ASN1_TYPE_cmp
Dr. Stephen Henson [Mon, 9 Mar 2015 23:11:45 +0000 (23:11 +0000)]
Fix ASN1_TYPE_cmp

Fix segmentation violation when ASN1_TYPE_cmp is passed a boolean type. This
can be triggered during certificate verification so could be a DoS attack
against a client or a server enabling client authentication.

CVE-2015-0286

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix DHE Null CKE vulnerability
Matt Caswell [Tue, 10 Mar 2015 16:38:32 +0000 (16:38 +0000)]
Fix DHE Null CKE vulnerability

If client auth is used then a server can seg fault in the event of a DHE
cipher being used and a zero length ClientKeyExchange message being sent
by the client. This could be exploited in a DoS attack.

CVE-2015-1787

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoFix for CVE-2015-0291
Dr. Stephen Henson [Tue, 3 Mar 2015 13:20:57 +0000 (13:20 +0000)]
Fix for CVE-2015-0291

If a client renegotiates using an invalid signature algorithms extension
it will crash a server with a NULL pointer dereference.

Thanks to David Ramos of Stanford University for reporting this bug.

CVE-2015-0291

Reviewed-by: Tim Hudson <tjh@openssl.org>
Conflicts:
ssl/t1_lib.c

4 years agoReject invalid PSS parameters.
Dr. Stephen Henson [Mon, 9 Mar 2015 23:16:33 +0000 (23:16 +0000)]
Reject invalid PSS parameters.

Fix a bug where invalid PSS parameters are not rejected resulting in a
NULL pointer exception. This can be triggered during certificate
verification so could be a DoS attack against a client or a server
enabling client authentication.

Thanks to Brian Carpenter for reporting this issues.

CVE-2015-0208

Reviewed-by: Tim Hudson <tjh@openssl.org>
4 years agoFree up ADB and CHOICE if already initialised.
Dr. Stephen Henson [Mon, 23 Feb 2015 02:32:44 +0000 (02:32 +0000)]
Free up ADB and CHOICE if already initialised.

CVE-2015-0287

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
4 years agoFix Seg fault in DTLSv1_listen
Matt Caswell [Mon, 9 Mar 2015 16:09:04 +0000 (16:09 +0000)]
Fix Seg fault in DTLSv1_listen

The DTLSv1_listen function is intended to be stateless and processes
the initial ClientHello from many peers. It is common for user code to
loop over the call to DTLSv1_listen until a valid ClientHello is received
with an associated cookie. A defect in the implementation of DTLSv1_listen
means that state is preserved in the SSL object from one invokation to the
next that can lead to a segmentation fault. Erorrs processing the initial
ClientHello can trigger this scenario. An example of such an error could
be that a DTLS1.0 only client is attempting to connect to a DTLS1.2 only
server.

CVE-2015-0207

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoMultiblock corrupted pointer fix
Matt Caswell [Mon, 2 Mar 2015 09:27:10 +0000 (09:27 +0000)]
Multiblock corrupted pointer fix

OpenSSL 1.0.2 introduced the "multiblock" performance improvement. This
feature only applies on 64 bit x86 architecture platforms that support AES
NI instructions. A defect in the implementation of "multiblock" can cause
OpenSSL's internal write buffer to become incorrectly set to NULL when
using non-blocking IO. Typically, when the user application is using a
socket BIO for writing, this will only result in a failed connection.
However if some other BIO is used then it is likely that a segmentation
fault will be triggered, thus enabling a potential DoS attack.

CVE-2015-0290

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
4 years agoAdd support for ServerInfo SSL_CONF option.
Dr. Stephen Henson [Tue, 17 Mar 2015 15:55:11 +0000 (15:55 +0000)]
Add support for ServerInfo SSL_CONF option.

Add support for ServerInfo SSL_CONF option and update documentation. This
was wrongly omitted from the 1.0.2 release.

Reviewed-by: Richard Levitte <levitte@openssl.org>
4 years agoDead code removal from apps
Matt Caswell [Thu, 12 Mar 2015 14:09:00 +0000 (14:09 +0000)]
Dead code removal from apps

Some miscellaneous removal of dead code from apps. Also fix an issue with
error handling with pkcs7.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 11abf92259e899f4f7da4a3e80781e84b0fb1a64)

4 years agoRemove dead code from crypto
Matt Caswell [Thu, 12 Mar 2015 14:08:21 +0000 (14:08 +0000)]
Remove dead code from crypto

Some miscellaneous removal of dead code from lib crypto.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit b7573c597c1932ef709b2455ffab47348b5c54e5)

4 years agoFix seg fault in s_time
Matt Caswell [Thu, 12 Mar 2015 16:42:55 +0000 (16:42 +0000)]
Fix seg fault in s_time

Passing a negative value for the "-time" option to s_time results in a seg
fault. This commit fixes it so that time has to be greater than 0.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit dfef52f6f277327e118fdd0fe34486852c2789b6)

4 years agoAdd sanity check to PRF
Matt Caswell [Thu, 12 Mar 2015 14:37:26 +0000 (14:37 +0000)]
Add sanity check to PRF

The function tls1_PRF counts the number of digests in use and partitions
security evenly between them. There always needs to be at least one digest
in use, otherwise this is an internal error. Add a sanity check for this.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 668f6f08c62177ab5893fc26ebb67053aafdffc8)

4 years agoFix memset call in stack.c
Matt Caswell [Thu, 12 Mar 2015 12:54:44 +0000 (12:54 +0000)]
Fix memset call in stack.c

The function sk_zero is supposed to zero the elements held within a stack.
It uses memset to do this. However it calculates the size of each element
as being sizeof(char **) instead of sizeof(char *). This probably doesn't
make much practical difference in most cases, but isn't a portable
assumption.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 7132ac830fa08d9a936e011d7c541b0c52115b33)

4 years agoMove malloc fail checks closer to malloc
Matt Caswell [Thu, 12 Mar 2015 11:25:03 +0000 (11:25 +0000)]
Move malloc fail checks closer to malloc

Move memory allocation failure checks closer to the site of the malloc in
dgst app. Only a problem if the debug flag is set...but still should be
fixed.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit be1477adc97e76f4b83ed8075589f529069bd5d1)

4 years agoAdd malloc failure checks
Matt Caswell [Thu, 12 Mar 2015 11:10:47 +0000 (11:10 +0000)]
Add malloc failure checks

Add some missing checks for memory allocation failures in ca app.

Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit a561bfe944c0beba73551731cb98af70dfee3549)

4 years agoFix regression in ASN1_UTCTIME_cmp_time_t
Carl Jackson [Sat, 31 Jan 2015 10:22:47 +0000 (02:22 -0800)]
Fix regression in ASN1_UTCTIME_cmp_time_t

Previously, ASN1_UTCTIME_cmp_time_t would return 1 if s > t, -1 if
s < t, and 0 if s == t.

This behavior was broken in a refactor [0], resulting in the opposite
time comparison behavior.

[0]: 904348a4922333106b613754136305db229475ea

PR#3706

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit da27006df06853a33b132133699a7aa9d4277920)

4 years agoAvoid reading an unused byte after the buffer
Andy Polyakov [Sat, 21 Feb 2015 12:51:56 +0000 (13:51 +0100)]
Avoid reading an unused byte after the buffer

Other curves don't have this problem.

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 9fbbdd73c58c29dc46cc314f7165e45e6d43fd60)

4 years agoFix undefined behaviour in shifts.
Emilia Kasper [Sat, 14 Mar 2015 04:10:13 +0000 (21:10 -0700)]
Fix undefined behaviour in shifts.

Td4 and Te4 are arrays of u8. A u8 << int promotes the u8 to an int first then shifts.
If the mathematical result of a shift (as modelled by lhs * 2^{rhs}) is not representable
in an integer, behaviour is undefined. In other words, you can't shift into the sign bit
of a signed integer. Fix this by casting to u32 whenever we're shifting left by 24.

(For consistency, cast other shifts, too.)

Caught by -fsanitize=shift

Submitted by Nick Lewycky (Google)

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 8b37e5c14f0eddb10c7f91ef91004622d90ef361)

4 years agoadditional configuration documentation
Dr. Stephen Henson [Sun, 1 Mar 2015 15:25:39 +0000 (15:25 +0000)]
additional configuration documentation

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 3d764db7a24e3dca1a3ee57202ce3c818d592141)

4 years agoASN.1 print fix.
Dr. Stephen Henson [Wed, 11 Mar 2015 23:30:52 +0000 (23:30 +0000)]
ASN.1 print fix.

When printing out an ASN.1 structure if the type is an item template don't
fall thru and attempt to interpret as a primitive type.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 5dc1247a7494f50c88ce7492518bbe0ce6f124fa)

4 years agoSSL_check_chain fix
Matt Caswell [Wed, 11 Mar 2015 17:01:38 +0000 (17:01 +0000)]
SSL_check_chain fix

If SSL_check_chain is called with a NULL X509 object or a NULL EVP_PKEY
or the type of the public key is unrecognised then the local variable
|cpk| in tls1_check_chain does not get initialised. Subsequently an
attempt is made to deref it (after the "end" label), and a seg fault will
result.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
(cherry picked from commit d813f9eb383a93e472e69750cd1edbb170205ad2)

4 years agoFix missing return checks in v3_cpols.c
Matt Caswell [Wed, 11 Mar 2015 20:50:20 +0000 (20:50 +0000)]
Fix missing return checks in v3_cpols.c

Fixed assorted missing return value checks in c3_cpols.c

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit c5f2b5336ab72e40ab91e2ca85639f51fa3178c6)

4 years agoFix dsa_pub_encode
Matt Caswell [Wed, 11 Mar 2015 20:19:08 +0000 (20:19 +0000)]
Fix dsa_pub_encode

The return value from ASN1_STRING_new() was not being checked which could
lead to a NULL deref in the event of a malloc failure. Also fixed a mem
leak in the error path.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 0c7ca4033dcf5398334d4b78a7dfb941c8167a40)

4 years agoFix dh_pub_encode
Matt Caswell [Wed, 11 Mar 2015 20:08:16 +0000 (20:08 +0000)]
Fix dh_pub_encode

The return value from ASN1_STRING_new() was not being checked which could
lead to a NULL deref in the event of a malloc failure. Also fixed a mem
leak in the error path.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 6aa8dab2bbfd5ad3cfc0d07fe5d7243635d5b2a2)

4 years agoFix asn1_item_print_ctx
Matt Caswell [Wed, 11 Mar 2015 19:41:01 +0000 (19:41 +0000)]
Fix asn1_item_print_ctx

The call to asn1_do_adb can return NULL on error, so we should check the
return value before attempting to use it.

Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 34a7ed0c39aa3ab67eea1e106577525eaf0d7a00)

4 years agoASN1_primitive_new NULL param handling
Matt Caswell [Wed, 11 Mar 2015 16:00:01 +0000 (16:00 +0000)]
ASN1_primitive_new NULL param handling

ASN1_primitive_new takes an ASN1_ITEM * param |it|. There are a couple
of conditional code paths that check whether |it| is NULL or not - but
later |it| is deref'd unconditionally. If |it| was ever really NULL then
this would seg fault. In practice ASN1_primitive_new is marked as an
internal function in the public header file. The only places it is ever
used internally always pass a non NULL parameter for |it|. Therefore, change
the code to sanity check that |it| is not NULL, and remove the conditional
checking.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 9e488fd6ab2c295941e91a47ab7bcd346b7540c7)

4 years agoFix EVP_DigestInit_ex with NULL digest
Matt Caswell [Wed, 11 Mar 2015 15:41:52 +0000 (15:41 +0000)]
Fix EVP_DigestInit_ex with NULL digest

Calling EVP_DigestInit_ex which has already had the digest set up for it
should be possible. You are supposed to be able to pass NULL for the type.
However currently this seg faults.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit a01087027bd0c5ec053d4eabd972bd942bfcd92f)

4 years agoFix error handling in bn_exp
Matt Caswell [Wed, 11 Mar 2015 15:31:16 +0000 (15:31 +0000)]
Fix error handling in bn_exp

In the event of an error |rr| could be NULL. Therefore don't assume you can
use |rr| in the error handling code.

Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 8c5a7b33c6269c3bd6bc0df6b4c22e4fba03b485)

4 years agoevp/e_aes.c: fix SPARC T4-specific problem:
Andy Polyakov [Mon, 9 Feb 2015 10:46:19 +0000 (11:46 +0100)]
evp/e_aes.c: fix SPARC T4-specific problem:

- SIGSEGV/ILL in CCM (RT#3688);

Reviewed-by: Matt Caswell <matt@openssl.org>