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libreSSL/ChangeLog
Brent Cook 1f6f1a3527 Update changelog
2016-05-30 11:11:37 -05:00

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Because this project is maintained both in the OpenBSD tree using CVS and in
Git, it can be confusing following all of the changes.
Most of the libssl and libcrypto source code is is here in OpenBSD CVS:
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libssl/
Some of the libcrypto and OS-compatibility files for entropy and random number
generation are here:
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libcrypto/
A simplified TLS wrapper library is here:
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libtls/
The LibreSSL Portable project copies these portions of the OpenBSD tree, along
with relevant portions of the C library, to a Git repository. This makes it
easier to follow all of the relevant changes to the upstream project in a
single place:
https://github.com/libressl-portable/openbsd
The portable bits of the project are largely maintained out-of-tree, and their
history is also available from Git.
https://github.com/libressl-portable/portable
LibreSSL Portable Release Notes:
2.3.5 - Reliability fix
* Fixed an error in libcrypto when parsing some ASN.1 elements > 16k.
2.3.4 - Security Update
* Fix multiple vulnerabilities in libcrypto relating to ASN.1 and encoding.
From OpenSSL.
* Minor build fixes
2.3.3 - OpenBSD 5.9 release branch tagged
* Reworked build scripts to better sync with OpenNTPD-portable
* Fixed broken manpage links
* Fixed an nginx compatibility issue by adding an 'install_sw' make alias
* Fixed HP-UX builds
* Changed the default configuration directory to c:\LibreSSL\ssl on Windows
binary builds
* cert.pem has been reorganized and synced with Mozilla's certificate store
2.3.2 - Compatibility and Reliability fixes
* Changed format of LIBRESSL_VERSION_NUMBER to match that of
OPENSSL_VERSION_NUMBER, see:
https://wiki.openssl.org/index.php/Manual:OPENSSL_VERSION_NUMBER(3)
* Added EVP_aead_chacha20_poly1305_ietf() which matches the AEAD
construction introduced in RFC 7539, which is different than that
already used in TLS with EVP_aead_chacha20_poly1305()
* Avoid a potential undefined C99+ behavior due to shift overflow in
AES_decrypt, reported by Pascal Cuoq <cuoq at trust-in-soft.com>
* More man pages converted from pod to mdoc format
* Added COMODO RSA Certification Authority and QuoVadis
root certificates to cert.pem
* Removed Remove "C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification
Authority" (serial 3c:91:31:cb:1f:f6:d0:1b:0e:9a:b8:d0:44:bf:12:be) root
certificate from cert.pem
* Added support for building nc(1) on Solaris
* Fixed GCC 5.x+ preprocessor checks, reported by Ruslan Babayev
* Improved console handling with openssl(1) on Windows
* Ensure the network stack is enabled on Windows when running
tls_init()
* Fixed incorrect TLS certificate loading by nc(1)
* Added support for Solaris 11.3's getentropy(2) system call
* Enabled support for using NetBSD 7.0's arc4random(3) implementation
* Deprecated the SSL_OP_SINGLE_DH_USE flag by disabling its effect
* Fixes from OpenSSL 1.0.1q
- CVE-2015-3194 - NULL pointer dereference in client side certificate
validation.
- CVE-2015-3195 - Memory leak in PKCS7 - not reachable from TLS/SSL
* The following OpenSSL CVEs did not apply to LibreSSL
- CVE-2015-3193 - Carry propagating bug in the x86_64 Montgomery
squaring procedure.
- CVE-2015-3196 - Double free race condition of the identify hint
data.
See https://marc.info/?l=openbsd-announce&m=144925068504102
2.3.1 - ASN.1 and time handling cleanups
* ASN.1 cleanups and RFC5280 compliance fixes.
* Time representations switched from 'unsigned long' to 'time_t'. LibreSSL
now checks if the host OS supports 64-bit time_t.
* Fixed a leak in SSL_new in the error path.
* Support always extracting the peer cipher and version with libtls.
* Added ability to check certificate validity times with libtls,
tls_peer_cert_notbefore and tls_peer_cert_notafter.
* Changed tls_connect_servername to use the first address that resolves with
getaddrinfo().
* Remove broken conditional EVP_CHECK_DES_KEY code (non-functional since
initial commit in 2004).
* Fixed a memory leak and out-of-bounds access in OBJ_obj2txt, reported
by Qualys Security.
* Fixed an up-to 7 byte overflow in RC4 when len is not a multiple of
sizeof(RC4_CHUNK), reported by Pascal Cuoq <cuoq at trust-in-soft.com>.
* Reject too small bits value in BN_generate_prime_ex(), so that it does
not risk becoming negative in probable_prime_dh_safe(), reported by
Franck Denis.
* Enable nc(1) builds on more platforms.
2.3.0 - SSLv3 removed, libtls API changes, portability improvements
* SSLv3 is now permanently removed from the tree.
* The libtls API is changed from the 2.2.x series.
The read/write functions work correctly with external event
libraries. See the tls_init man page for examples of using libtls
correctly in asynchronous mode.
Client-side verification is now supported, with the client supplying
the certificate to the server.
Also, when using tls_connect_fds, tls_connect_socket or
tls_accept_fds, libtls no longer implicitly closes the passed in
sockets. The caller is responsible for closing them in this case.
* When loading a DSA key from an raw (without DH parameters) ASN.1
serialization, perform some consistency checks on its `p' and `q'
values, and return an error if the checks failed.
Thanks for Georgi Guninski (guninski at guninski dot com) for
mentioning the possibility of a weak (non prime) q value and
providing a test case.
See
https://cpunks.org/pipermail/cypherpunks/2015-September/009007.html
for a longer discussion.
* Fixed a bug in ECDH_compute_key that can lead to silent truncation
of the result key without error. A coding error could cause software
to use much shorter keys than intended.
* Removed support for DTLS_BAD_VER. Pre-DTLSv1 implementations are no
longer supported.
* The engine command and parameters are removed from the openssl(1).
Previous releases removed dynamic and builtin engine support
already.
* SHA-0 is removed, which was withdrawn shortly after publication 20
years ago.
* Added Certplus CA root certificate to the default cert.pem file.
* New interface OPENSSL_cpu_caps is provided that does not allow
software to inadvertently modify cpu capability flags.
OPENSSL_ia32cap and OPENSSL_ia32cap_loc are removed.
* The out_len argument of AEAD changed from ssize_t to size_t.
* Deduplicated DTLS code, sharing bugfixes and improvements with
TLS.
* Converted 'nc' to use libtls for client and server operations; it is
included in the libressl-portable distribution as an example of how
to use the library.
2.2.3 - Bug fixes, build enhancements
* LibreSSL 2.2.2 incorrectly handles ClientHello messages that do not
include TLS extensions, resulting in such handshakes being aborted.
This release corrects the handling of such messages. Thanks to
Ligushka from github for reporting the issue.
* Added install target for cmake builds. Thanks to TheNietsnie from
github.
* Updated pkgconfig files to correctly report the release version
number, not the individual library ABI version numbers. Thanks to
Jan Engelhardt for reporting the issue.
2.2.2 - More TLS parser rework, bug fixes, expanded portable build support
* Switched 'openssl dhparam' default from 512 to 2048 bits
* Reworked openssl(1) option handling
* More CRYPTO ByteString (CBC) packet parsing conversions
* Fixed 'openssl pkeyutl -verify' to exit with a 0 on success
* Fixed dozens of Coverity issues including dead code, memory leaks,
logic errors and more.
* Ensure that openssl(1) restores terminal echo state after reading a
password.
* Incorporated fix for OpenSSL Issue #3683
* LibreSSL version define LIBRESSL_VERSION_NUMBER will now be bumped
for each portable release.
* Removed workarounds for TLS client padding bugs.
* No longer disable ECDHE-ECDSA on OS X
* Removed SSLv3 support from openssl(1)
* Removed IE 6 SSLv3 workarounds.
* Modified tls_write in libtls to allow partial writes, clarified with
examples in the documentation.
* Removed RSAX engine
* Tested SSLv3 removal with the OpenBSD ports tree and found several
applications that were not ready to build without SSLv3 yet. For
now, building a program that intentionally uses SSLv3 will result in
a linker warning.
* Added TLS_method, TLS_client_method and TLS_server_method as a
replacement for the SSLv23_*method calls.
* Added initial cmake build support, including support for building with
Visual Studio, currently tested with Visual Studio 2013 Community
Edition.
* --with-enginesdir is removed as a configuration parameter
* Default cert.pem, openssl.cnf, and x509v3.cnf files are now
installed under $sysconfdir/ssl or the directory specified by
--with-openssldir. Previous versions of LibreSSL left these empty.
2.2.1 - Build fixes, feature added, features removed
* Assorted build fixes for musl, HP-UX, Mingw, Solaris.
* Initial support for Windows Embedded 2009, Server 2003, XP
* Protocol parsing conversions to BoringSSL's CRYPTO ByteString (CBS) API
* Added EC_curve_nid2nist and EC_curve_nist2nid from OpenSSL
* Removed Dynamic Engine support
* Removed unused and obsolete MDC-2DES cipher
* Removed workarounds for obsolete SSL implementations
2.2.0 - Build cleanups and new OS support, Security Updates
* AIX Support - thanks to Michael Felt
* Cygwin Support - thanks to Corinna Vinschen
* Refactored build macros, support packaging libtls independently.
There are more pieces required to support building and using OpenSSL
with libtls, but this is an initial start at providing an
independent package for people to start hacking on.
* Removal of OPENSSL_issetugid and all library getenv calls.
Applications can and should no longer rely on environment variables
for changing library behavior. OPENSSL_CONF/SSLEAY_CONF is still
supported with the openssl(1) command.
* libtls API and documentation additions
* Various bug fixes and simplifications to libssl and libcrypto
* Fixes for the following issues are integrated into LibreSSL 2.2.0:
- CVE-2015-1788 - Malformed ECParameters causes infinite loop
- CVE-2015-1789 - Exploitable out-of-bounds read in X509_cmp_time
- CVE-2015-1792 - CMS verify infinite loop with unknown hash function
* The following CVEs did not apply to LibreSSL or were fixed in
earlier releases:
- CVE-2015-4000 - DHE man-in-the-middle protection (Logjam)
- CVE-2015-1790 - PKCS7 crash with missing EnvelopedContent
- CVE-2014-8176 - Invalid free in DTLS
* Fixes for the following CVEs are still in review for LibreSSL
- CVE-2015-1791 - Race condition handling NewSessionTicket
2.1.6 - Security update
* Fixes for the following issues are integrated into LibreSSL 2.1.6:
- CVE-2015-0209 - Use After Free following d2i_ECPrivatekey error
- CVE-2015-0286 - Segmentation fault in ASN1_TYPE_cmp
- CVE-2015-0287 - ASN.1 structure reuse memory corruption
- CVE-2015-0288 - X509_to_X509_REQ NULL pointer deref
- CVE-2015-0289 - PKCS7 NULL pointer dereferences
* The fix for CVE-2015-0207 - Segmentation fault in DTLSv1_listen
is integrated for safety, but LibreSSL is not vulnerable.
* Libtls is now built by default. The --enable-libtls
configuration option is no longer required.
The libtls API is now stable for the 2.1.x series.
2.1.5 - Bug fixes and a security update
* Fix incorrect comparison function in openssl(1) certhash command.
Thanks to Christian Neukirchen / Void Linux.
* Windows port improvements and bug fixes.
- Removed a dependency on libgcc in 32-bit dynamic libraries.
- Correct a hang in openssl(1) reading from stdin on an connection.
- Initialize winsock in openssl(1) earlier, allow 'openssl ocsp' and
any other network-related commands to function properly.
* Reject all server DH keys smaller than 1024 bits.
2.1.4 - Security and feature updates
* Improvements to libtls:
- a new API for loading CA chains directly from memory instead of a
file, allowing verification with privilege separation in a chroot
without direct access to CA certificate files.
- Ciphers default to TLSv1.2 with AEAD and PFS.
- Improved error handling and message generation
- New APIs and improved documentation
* Added X509_STORE_load_mem API for loading certificates from memory.
This facilitates accessing certificates from a chrooted environment.
* New AEAD "MAC alias" allows configuring TLSv1.2 AEAD ciphers by
using 'TLSv1.2+AEAD' as the cipher selection string.
* Dead and disabled code removal including MD5, Netscape workarounds,
non-POSIX IO, SCTP, RFC 3779 support, many #if 0 sections, and more.
* ASN1 macro maze expanded to aid reading and searching the code.
* NULL pointer asserts removed in favor of letting the OS/signal
handler catch them.
* Refactored argument handling in openssl(1) for consistency and
maintainability.
* New openssl(1) command 'certhash' replaces the c_rehash script.
* Support for building with OPENSSL_NO_DEPRECATED
* Server-side support for TLS_FALLBACK_SCSV for compatibility with
various auditor and vulnerability scanners.
* Dozens of issues found with the Coverity scanner fixed.
* Security Updates:
- Fix a minor information leak that was introduced in t1_lib.c
r1.71, whereby an additional 28 bytes of .rodata (or .data) is
provided to the network. In most cases this is a non-issue since
the memory content is already public. Issue found and reported by
Felix Groebert of the Google Security Team.
- Fixes for the following low-severity issues were integrated into
LibreSSL from OpenSSL 1.0.1k:
CVE-2015-0205 - DH client certificates accepted without
verification
CVE-2014-3570 - Bignum squaring may produce incorrect results
CVE-2014-8275 - Certificate fingerprints can be modified
CVE-2014-3572 - ECDHE silently downgrades to ECDH [Client]
Reported by Karthikeyan Bhargavan of the PROSECCO team at INRIA.
The following CVEs were fixed in earlier LibreSSL releases:
CVE-2015-0206 - Memory leak handling repeated DLTS records
CVE-2014-3510 - Flaw handling DTLS anonymous EC(DH) ciphersuites.
The following CVEs did not apply to LibreSSL:
CVE-2014-3571 - DTLS segmentation fault in dtls1_get_record
CVE-2014-3569 - no-ssl3 configuration sets method to NULL
CVE-2015-0204 - RSA silently downgrades to EXPORT_RSA
2.1.3 - Security update and OS support improvements
* Fixed various memory leaks in DTLS, including fixes for
CVE-2015-0206.
* Added Application-Layer Protocol Negotiation (ALPN) support.
* Removed GOST R 34.10-94 signature authentication.
* Removed nonfunctional Netscape browser-hang workaround code.
* Simplfied and refactored SSL/DTLS handshake code.
* Added SHA256 Camellia cipher suites for TLS 1.2 from RFC 5932.
* Hide timing info about padding errors during handshakes.
* Improved libtls support for non-blocking sockets, added randomized
session ID contexts. Work is ongoing with this library - feedback
and potential use-cases are welcome.
* Support building Windows DLLs.
Thanks to Jan Engelhard.
* Packaged config wrapper for better compatibility with OpenSSL-based
build systems.
Thanks to @technion from github
* Ensure the stack is marked non-executable for assembly sections.
Thanks to Anthony G. Bastile.
* Enable extra compiler hardening flags by default, where applicable.
The default set of hardening features can vary by OS to OS, so
feedback is welcome on this. To disable the default hardening flags,
specify '--disable-hardening' during configure.
Thanks to Jim Barlow
* Initial HP-UX support, tested with HP-UX 11.31 ia64
Thanks to Kinichiro Inoguchi
* Initial NetBSD support, tested with NetBSD 6.1.5 x86_64
Imported from OpenNTPD, thanks to @gitisihara from github
2.1.2 - Many new features and improvements
* Added reworked GOST cipher suite support
thanks to Dmitry Eremin-Solenikov
* Enabled Camellia ciphers due to improved patent situation
* Use builtin arc4random implementation on OS X and FreeBSD
this addresses some deficiencies in the native implementations of
these operating systems, see commit logs for more information
* Added initial Windows mingw-w64 support (32 and 64-bit)
thanks to Song Dongsheng and others for code and feedback
* Enabled assembly optimizations on x86_64 CPUs
supports Linux, *BSD, Solaris and OS X operating systems
thanks to Wouter Clarie for the initial implementation
* Added no_ssl3/no_tls1_1/no_tls1_2 options to openssl(1)
* Improved build infrastructure, 'make distcheck' now passes
this simplifies and speeds developer efficiency
thanks to Dmitry Eremin-Solenikov and Wouter Clarie
* Allow conditional building of the libtls library
expect the API and ABI of the library to change
feedback is welcome
* Fixes for more memory leaks, cleanups, etc.
2.1.1 - Security update
* Address POODLE attack by disabling SSLv3 by default
* Fix Eliptical Curve cipher selection bug
(https://github.com/libressl-portable/portable/issues/35)
2.1.0 - First release from the OpenBSD 5.7 tree
* Added support for automatic ephemeral EC keys
* Fixes for many memory leaks and overflows in error handlers
* The TLS padding extension (that works around bugs in F5 terminators) is
off by default
* support for getrandom(2) on Linux 3.17
* the NO_ASM macro is no longer being set, providing the first bits toward
enabling other assembly offloads.
2.0.5 - Fixes for CVEs from OpenSSL 1.0.1i
* CVE-2014-3506
* CVE-2014-3507
* CVE-2014-3508 (partially vulnerable)he
* CVE-2014-3509
* CVE-2014-3510
* CVE-2014-3511
* Synced LibreSSL Portable with the release version of OpenBSD 5.6
2.0.4 - Portability fixes, deleted unused SRP code
2.0.3 - Portability fixes, improvements to fork detection
2.0.2 - Address arc4random fork PID wraparound issues with pthread_atfork
2.0.1 - Portability fixes:
* Removed -Werror and and other non-portable compiler flags
* Allow setting OPENSSLDIR and ENGINSDIR
2.0.0 - First release from the OpenBSD 5.6 tree
* Removal of many obsolete features and coding conventions from the OpenSSL
1.0.1h source
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