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Reviewed-by: Stephen Henson <steve@openssl.org>
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Reviewed-by: Stephen Henson <steve@openssl.org>
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CVE-2015-1788
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 4924b37ee01f71ae19c94a8934b80eeb2f677932)
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Updates to CHANGES and NEWS to take account of the latest security fixes.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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CVE-2015-1790
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Also tighten X509_cmp_time to reject more than three fractional
seconds in the time; and to reject trailing garbage after the offset.
CVE-2015-1789
Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Fix loop in do_free_upto if cmsbio is NULL: this will happen when attempting
to verify and a digest is not recognised. Reported by Johannes Bauer.
CVE-2015-1792
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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$(PROGS) was mistakenly removed, adding it back.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Fix error handling in ssl_session_dup, as well as incorrect setting up of
the session ticket. Follow on from CVE-2015-1791.
Thanks to LibreSSL project for reporting these issues.
Conflicts:
ssl/ssl_sess.c
Reviewed-by: Tim Hudson <tjh@openssl.org>
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mismatch.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit f0fa5c8306236ce742168d664d53b1551649a47b)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
MR #838
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Reviewed-by: Rich Salz <rsalz@openssl.org>
MR #838
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Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 75c4827dfe6f52ccd687a283e6108a88ba3b8ec4)
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It should not be possible for DTLS message fragments to span multiple
packets. However previously if the message header fitted exactly into one
packet, and the fragment body was in the next packet then this would work.
Obviously this would fail if packets get re-ordered mid-flight.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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In the event of an error in the HMAC function, leaks can occur because the
HMAC_CTX does not get cleaned up.
Thanks to the BoringSSL project for reporting this issue.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit e43a13c807e42688c72c4f3d001112bf0a110464)
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The function EC_POINT_is_on_curve does not return a boolean value.
It returns 1 if the point is on the curve, 0 if it is not, and -1
on error. Many usages within OpenSSL were incorrectly using this
function and therefore not correctly handling error conditions.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Kurt Roeckx <kurt@openssl.org>
(cherry picked from commit 68886be7e2cd395a759fcd41d2cede461b68843d)
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This adds additional checks to the processing of extensions in a ClientHello
to ensure that either no extensions are present, or if they are then they
take up the exact amount of space expected.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Stephen Henson <steve@openssl.org>
Conflicts:
ssl/t1_lib.c
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This fixes a memory leak that can occur whilst duplicating a BIO chain if
the call to CRYPTO_dup_ex_data() fails. It also fixes a second memory leak
where if a failure occurs after successfully creating the first BIO in the
chain, then the beginning of the new chain was not freed.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Stephen Henson <steve@openssl.org>
Conflicts:
crypto/bio/bio_lib.c
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BUF_MEM_free() attempts to cleanse memory using memset immediately prior
to a free. This is at risk of being optimised away by the compiler, so
replace with a call to OPENSSL_cleanse() instead.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Stephen Henson <steve@openssl.org>
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The fix for CVE-2015-1791 introduced an error in ssl_session_dup for
Kerberos.
Reviewed-by: Tim Hudson <tjh@openssl.org>
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For librypto to be complete, the stuff in both crypto/ and engines/
have to be built. Doing 'make test' or 'make apps' from a clean
source tree failed to do so.
Corrected by using the new 'build_libcrypto' in the top Makefile.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit acaff3b797f50a0a0e17a0be45b7fafad962004e)
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There's a need for a target that will build all of libcrypto, so let's
add 'build_libcrypto' that does this. For ortogonality, let's also
add 'build_libssl'. Have both also depend on 'libcrypto.pc' and
'libssl.pc' so those get built together with the libraries.
This makes 'all' depend on fewer things directly.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 177b5f9c82e1152d6ce20a83556db629697fff65)
Conflicts:
Makefile.org
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Signed-off-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 82c4d793181058de9fde5c9088fd400fdb7e01e3)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 0fb9990480919163cc375a2b6c0df1d8d901a77b)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Pointed out by Victor Vasiliev (vasilvv@mit.edu) via Adam Langley
(Google).
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 1e4a355dcabe2f75df5bb8b41b394d37037169d2)
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flags needed to keep it happy.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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extension
At least in the case of SSLv3 we can't send an extention.
Reviewed-by: Matt Caswell <matt@openssl.org>
MR #811
(cherry picked from commit 3c06513f3833d4692f620e2c03d7a840871c08a7)
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Remove a comment that suggested further clean up was required.
DH_free() performs the necessary cleanup.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit f3d889523ee84f1e87e4da0d59e2702a4bee7907)
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Ensure OPENSSL_cleanse() is called on the premaster secret value calculated for GOST.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit b7ee4815f2452c854cc859e8dda88f2673cdddea)
Conflicts:
ssl/s3_srvr.c
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Ensure the Kerberos pre-master secret has OPENSSL_cleanse called on it.
With thanks to the Open Crypto Audit Project for reporting this issue.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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A BIGNUM can have the value of -0. The function BN_bn2hex fails to account
for this and can allocate a buffer one byte too short in the event of -0
being used, leading to a one byte buffer overrun. All usage within the
OpenSSL library is considered safe. Any security risk is considered
negligible.
With thanks to Mateusz Kocielski (LogicalTrust), Marek Kroemeke and
Filip Palian for discovering and reporting this issue.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit c56353071d9849220714d8a556806703771b9269)
Conflicts:
crypto/bn/bn_print.c
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The session object on the client side is initially created during
construction of the ClientHello. If the client is DTLS1.2 capable then it
will store 1.2 as the version for the session. However if the server is only
DTLS1.0 capable then when the ServerHello comes back the client switches to
using DTLS1.0 from then on. However the session version does not get
updated. Therefore when the client attempts to resume that session the
server throws an alert because of an incorrect protocol version.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 7322abf5cefdeb47c7d61f3b916c428bf2cd69b6)
Conflicts:
ssl/s3_clnt.c
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Reviewed-by: Matt Caswell <matt@openssl.org>
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PR#3872
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Stephen Henson <steve@openssl.org>
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Some tool chains (e.g. android) do not define IP_PMTUDISC_PROBE, and so
this build breaks.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 133dce447b259e0bb93076bf5fd0ce475d16910a)
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objects.pl only looked for a space to see if the name could be
used as a C identifier. Improve the test to match the real C
rules.
Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 591b7aef05b22cba09b179e5787a9bf40dfc9508)
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This is for consistency.
Additionally, have its presence define OPENSSL_SYS_WINDOWS as well.
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 3f131556d6678bc3754f1e6d98a9a5bfc24e368c)
Conflicts:
e_os2.h
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Signed-off-by: Rich Salz <rsalz@akamai.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 8846adbd36c1de2b0d38a73ca32e28fde50083b8)
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The code in bss_dgram.c checks if IP_MTUDISCOVER is defined, where it
should test for IP_MTU_DISCOVER
RT#3888
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 0baaff1a76d4c91b9c1121059be63175454d7b03)
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If a NewSessionTicket is received by a multi-threaded client when
attempting to reuse a previous ticket then a race condition can occur
potentially leading to a double free of the ticket data.
CVE-2015-1791
This also fixes RT#3808 where a session ID is changed for a session already
in the client session cache. Since the session ID is the key to the cache
this breaks the cache access.
Parts of this patch were inspired by this Akamai change:
https://github.com/akamai/openssl/commit/c0bf69a791239ceec64509f9f19fcafb2461b0d3
Reviewed-by: Rich Salz <rsalz@openssl.org>
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dtls1_get_message has an |mt| variable which is the type of the message that
is being requested. If it is negative then any message type is allowed.
However the value of |mt| is not checked in one of the main code paths, so a
peer can send a message of a completely different type and it will be
processed as if it was the message type that we were expecting. This has
very little practical consequences because the current behaviour will still
fail when the format of the message isn't as expected.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 8c2b1d872b25f3ec78e04f5cd2de8f21e853c4a6)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 2849707fa65d2803e6d1c1603fdd3fd1fdc4c6cc)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit f097f81c891bb1f479426d8ac9c9541390334983)
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Also add more ciphersuite test coverage, and a negative test for
512-bit DHE.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 1ee85aab75d7c9f20058f781bfe9222323df08eb)
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The size of the SRP extension can never be negative (the variable
|size| is unsigned). Therefore don't check if it is less than zero.
RT#3862
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 9c89d290834f3ed9146eeb8b64fe5de817679a0b)
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The return value of i2d functions can be negative if an error occurs.
Therefore don't assign the return value to an unsigned type and *then*
check if it is negative.
RT#3862
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 90e7cdff3aa66779486914f88333f6601f0c1cf4)
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The members of struct timeval on OpenVMS are unsigned. The logic for
calculating timeouts needs adjusting to deal with this.
RT#3862
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit fc52ac9028b9492fb086ba35a3352ea46e03ecfc)
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Reviewed-by: Matt Caswell <matt@openssl.org>
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