OpenSSL CHANGES
_______________
- Changes between 1.0.2 and 1.1.0 [xx XXX xxxx]
+ Changes between 1.0.2e and 1.1.0 [xx XXX xxxx]
+
+ *) Remove support for all 40 and 56 bit ciphers. This includes all the export
+ ciphers who are no longer supported and drops support the ephemeral RSA key
+ exchange. The LOW ciphers currently doesn't have any ciphers in it.
+ [Kurt Roeckx]
+
+ *) Added ASYNC support. Libcrypto now includes the async sub-library to enable
+ cryptographic operations to be performed asynchronously as long as an
+ asynchronous capable engine is used. See the ASYNC_start_job() man page for
+ further details. Libssl has also had this capability integrated with the
+ introduction of the new mode SSL_MODE_ASYNC and associated error
+ SSL_ERROR_WANT_ASYNC. See the SSL_CTX_set_mode() and SSL_get_error() man
+ pages. This work was developed in partnership with Intel Corp.
+ [Matt Caswell]
+
+ *) SSL_{CTX_}set_ecdh_auto() has been removed and ECDH is support is
+ always enabled now. If you want to disable the support you should
+ exclude it using the list of supported ciphers.
+ [Kurt Roeckx]
+
+ *) SSL_{CTX}_set_tmp_ecdh() which can set 1 EC curve now internally calls
+ SSL_{CTX_}set1_curves() which can set a list.
+ [Kurt Roeckx]
+
+ *) Remove support for SSL_{CTX_}set_tmp_ecdh_callback(). You should set the
+ curve you want to support using SSL_{CTX_}set1_curves().
+ [Kurt Roeckx]
+
+ *) State machine rewrite. The state machine code has been significantly
+ refactored in order to remove much duplication of code and solve issues
+ with the old code (see ssl/statem/README for further details). This change
+ does have some associated API changes. Notably the SSL_state() function
+ has been removed and replaced by SSL_get_state which now returns an
+ "OSSL_HANDSHAKE_STATE" instead of an int. SSL_set_state() has been removed
+ altogether. The previous handshake states defined in ssl.h and ssl3.h have
+ also been removed.
+ [Matt Caswell]
+
+ *) All instances of the string "ssleay" in the public API were replaced
+ with OpenSSL (case-matching; e.g., OPENSSL_VERSION for #define's)
+ Some error codes related to internal RSA_eay API's were renamed.
+ [Rich Salz]
+
+ *) The demo files in crypto/threads were moved to demo/threads.
+ [Rich Salz]
+
+ *) Removed obsolete engines: 4758cca, aep, atalla, cswift, nuron and sureware.
+ [Matt Caswell]
+
+ *) New ASN.1 embed macro.
+
+ New ASN.1 macro ASN1_EMBED. This is the same as ASN1_SIMPLE except the
+ structure is not allocated: it is part of the parent. That is instead of
+
+ FOO *x;
+
+ it must be:
+
+ FOO x;
+
+ This reduces memory fragmentation and make it impossible to accidentally
+ set a mandatory field to NULL.
+
+ This currently only works for some fields specifically a SEQUENCE, CHOICE,
+ or ASN1_STRING type which is part of a parent SEQUENCE. Since it is
+ equivalent to ASN1_SIMPLE it cannot be tagged, OPTIONAL, SET OF or
+ SEQUENCE OF.
+ [Steve Henson]
+
+ *) Remove EVP_CHECK_DES_KEY, a compile-time option that never compiled.
+ [Emilia Käsper]
+
+ *) Removed DES and RC4 ciphersuites from DEFAULT. Also removed RC2 although
+ in 1.0.2 EXPORT was already removed and the only RC2 ciphersuite is also
+ an EXPORT one. COMPLEMENTOFDEFAULT has been updated accordingly to add
+ DES and RC4 ciphersuites.
+ [Matt Caswell]
+
+ *) Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs.
+ This changes the decoding behaviour for some invalid messages,
+ though the change is mostly in the more lenient direction, and
+ legacy behaviour is preserved as much as possible.
+ [Emilia Käsper]
+
+ *) Fix no-stdio build.
+ [ David Woodhouse <David.Woodhouse@intel.com> and also
+ Ivan Nestlerode <ivan.nestlerode@sonos.com> ]
+
+ *) New testing framework
+ The testing framework has been largely rewritten and is now using
+ perl and the perl modules Test::Harness and an extended variant of
+ Test::More called OpenSSL::Test to do its work. All test scripts in
+ test/ have been rewritten into test recipes, and all direct calls to
+ executables in test/Makefile have become individual recipes using the
+ simplified testing OpenSSL::Test::Simple.
+
+ For documentation on our testing modules, do:
+
+ perldoc test/testlib/OpenSSL/Test/Simple.pm
+ perldoc test/testlib/OpenSSL/Test.pm
+
+ [Richard Levitte]
+
+ *) In DSA_generate_parameters_ex, if the provided seed is too short,
+ return an error
+ [Rich Salz and Ismo Puustinen <ismo.puustinen@intel.com>]
+
+ *) Rewrite PSK to support ECDHE_PSK, DHE_PSK and RSA_PSK. Add ciphersuites
+ from RFC4279, RFC4785, RFC5487, RFC5489.
+
+ Thanks to Christian J. Dietrich and Giuseppe D'Angelo for the
+ original RSA_PSK patch.
+ [Steve Henson]
+
*) Dropped support for the SSL3_FLAGS_DELAY_CLIENT_FINISHED flag. This SSLeay
era flag was never set throughout the codebase (only read). Also removed
SSL3_FLAGS_POP_BUFFER which was only used if
output file readable only by the owner. This behavior change might
be noticeable when interacting with other software.
+ *) Documented all exdata functions. Added CRYPTO_free_ex_index.
+ Added a test.
+ [Rich Salz]
+
*) Added HTTP GET support to the ocsp command.
[Rich Salz]
[mancha <mancha1@zoho.com>]
*) Fix eckey_priv_encode so it immediately returns an error upon a failure
- in i2d_ECPrivateKey.
+ in i2d_ECPrivateKey. Thanks to Ted Unangst for feedback on this issue.
[mancha <mancha1@zoho.com>]
*) Fix some double frees. These are not thought to be exploitable.
whose return value is often ignored.
[Steve Henson]
- Changes between 1.0.2c and 1.0.2d [xx XXX xxxx]
+ Changes between 1.0.2d and 1.0.2e [3 Dec 2015]
+
+ *) BN_mod_exp may produce incorrect results on x86_64
+
+ There is a carry propagating bug in the x86_64 Montgomery squaring
+ procedure. No EC algorithms are affected. Analysis suggests that attacks
+ against RSA and DSA as a result of this defect would be very difficult to
+ perform and are not believed likely. Attacks against DH are considered just
+ feasible (although very difficult) because most of the work necessary to
+ deduce information about a private key may be performed offline. The amount
+ of resources required for such an attack would be very significant and
+ likely only accessible to a limited number of attackers. An attacker would
+ additionally need online access to an unpatched system using the target
+ private key in a scenario with persistent DH parameters and a private
+ key that is shared between multiple clients. For example this can occur by
+ default in OpenSSL DHE based SSL/TLS ciphersuites.
+
+ This issue was reported to OpenSSL by Hanno Böck.
+ (CVE-2015-3193)
+ [Andy Polyakov]
+
+ *) Certificate verify crash with missing PSS parameter
+
+ The signature verification routines will crash with a NULL pointer
+ dereference if presented with an ASN.1 signature using the RSA PSS
+ algorithm and absent mask generation function parameter. Since these
+ routines are used to verify certificate signature algorithms this can be
+ used to crash any certificate verification operation and exploited in a
+ DoS attack. Any application which performs certificate verification is
+ vulnerable including OpenSSL clients and servers which enable client
+ authentication.
+
+ This issue was reported to OpenSSL by Loïc Jonas Etienne (Qnective AG).
+ (CVE-2015-3194)
+ [Stephen Henson]
+
+ *) X509_ATTRIBUTE memory leak
+
+ When presented with a malformed X509_ATTRIBUTE structure OpenSSL will leak
+ memory. This structure is used by the PKCS#7 and CMS routines so any
+ application which reads PKCS#7 or CMS data from untrusted sources is
+ affected. SSL/TLS is not affected.
+
+ This issue was reported to OpenSSL by Adam Langley (Google/BoringSSL) using
+ libFuzzer.
+ (CVE-2015-3195)
+ [Stephen Henson]
+
+ *) Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs.
+ This changes the decoding behaviour for some invalid messages,
+ though the change is mostly in the more lenient direction, and
+ legacy behaviour is preserved as much as possible.
+ [Emilia Käsper]
+
+ *) In DSA_generate_parameters_ex, if the provided seed is too short,
+ return an error
+ [Rich Salz and Ismo Puustinen <ismo.puustinen@intel.com>]
+
+ Changes between 1.0.2c and 1.0.2d [9 Jul 2015]
*) Alternate chains certificate forgery