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Reviewed-by: Matt Caswell <matt@openssl.org>
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Move EVP internals to evp_int.h, remove -Ievp hack from crypto/Makefile
Reviewed-by: Matt Caswell <matt@openssl.org>
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Move ASN.1 internals used across multiple directories into new internal
header file asn1_int.h remove crypto/Makefile hack which allowed other
directories to include "asn1_locl.h"
Reviewed-by: Matt Caswell <matt@openssl.org>
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Start ensuring all OpenSSL "free" routines allow NULL, and remove
any if check before calling them.
This gets ASN1_OBJECT_free and ASN1_STRING_free.
Reviewed-by: Matt Caswell <matt@openssl.org>
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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>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Thanks to a -I.., the path does work, at least on unix. However, this
doesn't work so well on VMS. Correcting the path to not rely on given
-I does work on both.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Remove old ASN.1 COMPAT type. This was meant as a temporary measure
so older ASN.1 code (from OpenSSL 0.9.6) still worked. It's a hack
which breaks constification and hopefully nothing uses it now, if
it ever did.
Reviewed-by: Matt Caswell <matt@openssl.org>
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It was saying that it was an illegal parameter / unsupported cipher
Reviewed-by: Matt Caswell <matt@openssl.org>
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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>
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Also removes for it being NULL
Reviewed-by: Matt Caswell <matt@openssl.org>
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Remove x_exten.c and x_exten.o from crypto/asn1/Makefile: they've moved now.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Fix missing return value check in dtls1_listen when calling SSL_clear().
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Change ssl_set_handshake_header from return void to returning int, and
handle error return code appropriately.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Ensure that all libssl functions called from within the apps have their
return values checked where appropriate.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Ensure that all functions have their return values checked where
appropriate. This covers all functions defined and called from within
libssl.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Mark most functions returning a result defined in any libssl header file
with __owur to warn if they are used without checking the return value.
Use -DUNUSED_RETURN compiler flag with gcc to activate these warnings.
Some functions returning a result are skipped if it is common and valid to
use these functions without checking the return value.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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In order to receive warnings on unused function return values the flag
-DDEBUG_UNUSED must be passed to the compiler. This change adds that for the
--strict-warnings Configure option.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Follow up on the earlier "Do not keep TABLE in version control".
Actually removing TABLE from version control was forgotten.
Reviewed-by: Matt Caswell <matt@openssl.org>
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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>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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Remove {i2d,d2i}_ASN1_BOOLEAN.
Rewrite single occurrence of d2i_ASN1_BOOLEAN in asn1_parse2
Reviewed-by: Rich Salz <rsalz@openssl.org>
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Remove old M_ASN1_ macros and replace any occurences with the corresponding
function.
Remove d2i_ASN1_bytes, d2i_ASN1_SET, i2d_ASN1_SET: no longer used internally.
Reviewed-by: Rich Salz <rsalz@openssl.org>
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In cooperation with Ard Biesheuvel (Linaro) and Sami Tolvanen (Google).
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Using $t is an artifact from the earlier changes in Configure and was
unfortunately forgotten as is.
Reviewed-by: Stephen Henson <steve@openssl.org>
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This tests the unwrap algorithm with an invalid key. The result should
be rejected without returning any plaintext.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
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crypto/modes/wrap128.c was heavily refactored to support AES Key Wrap
with Padding, and four bugs were introduced into CRYPTO_128_unwrap() at
that time:
- crypto_128_unwrap_raw()'s return value ('ret') is checked incorrectly,
and the function immediately returns 'ret' in (almost) all cases.
This makes the IV checking code later in the function unreachable, but
callers think the IV check succeeded since CRYPTO_128_unwrap()'s
return value is non-zero.
FIX: Return 0 (error) if crypto_128_unwrap_raw() returned 0 (error).
- crypto_128_unwrap_raw() writes the IV to the 'got_iv' buffer, not to
the first 8 bytes of the output buffer ('out') as the IV checking code
expects. This makes the IV check fail.
FIX: Compare 'iv' to 'got_iv', not 'out'.
- The data written to the output buffer ('out') is "cleansed" if the IV
check fails, but the code passes OPENSSL_cleanse() the input buffer
length ('inlen') instead of the number of bytes that
crypto_128_unwrap_raw() wrote to the output buffer ('ret'). This
means that OPENSSL_cleanse() could potentially write past the end of
'out'.
FIX: Change 'inlen' to 'ret' in the OPENSSL_cleanse() call.
- CRYPTO_128_unwrap() is returning the length of the input buffer
('inlen') instead of the number of bytes written to the output buffer
('ret'). This could cause the caller to read past the end of 'out'.
FIX: Return 'ret' instead of 'inlen' at the end of the function.
PR#3749
Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Updated test/testssl script to include the new DTLS capability in ssltest.
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
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[cl]flags
Reviewed-by: Stephen Henson <steve@openssl.org>
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Reported by the LibreSSL project as a follow on to CVE-2015-0209
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Resync NEWS with the latest version from 1.0.2
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Resync CHANGES with the latest version from 1.0.2.
Reviewed-by: Richard Levitte <levitte@openssl.org>
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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>
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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>
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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>
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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>
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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>
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CVE-2015-0287
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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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>
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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>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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./config would translate -d into having the target get a 'debug-'
prefix, and then run './Configure LIST' to find out if such a
debugging target exists or not.
With the recent changes, the separate 'debug-foo' targets are
disappearing, and we're giving the normal targets debugging
capabilities instead. Unfortunately, './config' wasn't changed to
match this new behavior.
This change introduces the arguments '--debug' and '--release' - the
latter just for orthogonality - to ./Configure, and ./config now
treats -d by adding '--debug' to the options for ./Configure.
Reviewed-by: Matt Caswell <matt@openssl.org>
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