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libreSSL/ChangeLog
Brent Cook 4e2763575f update Changelog for 2.2.3
2015-08-30 22:17:55 -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:
2.2.3 - 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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