source: mod_gnutls/CHANGELOG

mod_gnutls/0.9.1
Last change on this file was d4c9331, checked in by Fiona Klute <fiona.klute@…>, 2 weeks ago

Release version 0.9.1

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1** Version 0.9.1 (2019-11-29)
2- Fix possible segfault (NULL pointer dereference) on failed TLS
3  handshake. Calling ssl_var_lookup() after a failed handshake could
4  lead to GnuTLS session information functions being called on a NULL
5  session pointer, leading to segfault.
6- Remove URLs from expected error responses in the test suite. Apache
7  HTTPD removed request URLs from canned error messages to prevent
8  misleading text/links being displayed via crafted links
9  (CVE-2019-10092). Adjust the expected error responses in our tests
10  so they can pass again.
11- Test suite: Ignore "Content-Length" header of responses. Thanks to
12  Krista Karppinen!
13- Add a section about module dependencies on socache to the handbook
14- Restructure the manpage build and move it to section 5 (config
15  files)
16- Test suite: Restructure certificate directories
17
18** Version 0.9.0 (2019-01-23)
19- Security fix: Refuse to send or receive any data over a failed TLS
20  connection (commit 72b669eae8c45dda1850e8e5b30a97c918357b51). The
21  previous behavior could lead to requests on reverse proxy TLS
22  connections being sent in plain text, and might have allowed faking
23  requests in plain text.
24- Security fix: Reject HTTP requests if they try to access virtual
25  hosts that do not match their TLS connections (commit
26  de3fad3c12f53cdbf082ad675e4b10f521a02811). Additionally check if SNI
27  and Host header match. Thanks to Krista Karppinen for contributing
28  tests!
29- OCSP stapling is now enabled by default, if possible. OCSP responses
30  are updated regularly and stored in a cache separate from the
31  session cache. The OCSP cache uses mod_socache_shmcb by default
32  (if the module is loaded, no other configuration required).
33- Session tickets are now enabled by default if using GnuTLS 3.6.4 or
34  newer. GnuTLS 3.6.4 introduced automatic rotation for the used key,
35  and TLS 1.3 takes care of other reasons not to use tickets while
36  requiring them for session resumption. Note that there is currently
37  no mechanism to synchronize ticket keys across a cluster of servers.
38- The internal cache implementation has been replaced with
39  mod_socache. Users may need to update their GnuTLSCache settings and
40  load the appropriate socache modules.
41- ALPN (required for HTTP/2) now works correctly with different
42  "Protocols" directives between virtual hosts if building with GnuTLS
43  3.6.3 or newer. Older versions require identical "Protocols"
44  directives for overlapping virtual hosts. Thanks to Vincent Tamet
45  for the bug report!
46- ALPN is now supported for proxy connections, making HTTP/2 proxy
47  connections using mod_proxy_http2 possible.
48- GnuTLSPriorities is optional now and defaults to "NORMAL" if
49  missing. The same applies to GnuTLSProxyPriorities (if TLS proxy is
50  enabled).
51- The manual is now built as a manual page, too, if pandoc is
52  available.
53- OpenPGP support has been removed.
54- Don't require pem2openpgp for tests when building without MSVA
55  support.
56
57** Version 0.8.4 (2018-04-13)
58- Support Apache HTTPD 2.4.33 API for proxy TLS connections
59- Support TLS for HTTP/2 connections with mod_http2
60- Fix configuration of OCSP stapling callback
61
62** Version 0.8.3 (2017-10-20)
63- Use GnuTLS' default DH parameters by default
64- Handle long Server Name Indication data and gracefully ignore
65  unknown SNI types
66- Send SNI for proxy connections
67- Deprecate OpenPGP support like GnuTLS did (will be removed
68  completely in a future release)
69- Do not announce session ticket support for proxy connections
70- Minor documentation updates (SSL_CLIENT_I_DN, reference for SNI)
71- Test suite: Simplify handling of proxy backend servers and OCSP
72  responders
73- Test suite: stability/compatibility fixes
74
75** Version 0.8.2 (2017-01-08)
76- Test suite: Ensure CRLF line ends in HTTP headers
77- Test suite, gen_ocsp_index.c: Handle serial as fixed order byte array
78
79** Version 0.8.1 (2016-12-20)
80- Bugfix: Use APR_SIZE_T_FMT for portable apr_size_t formatting
81
82** Version 0.8.0 (2016-12-11)
83- New: Support for OCSP stapling
84- Bugfix: Access to DBM cache is locked using global mutex
85  "gnutls-cache"
86- Bugfix: GnuTLSSessionTickets is now disabled by default as described
87  in the handbook
88- Fixed memory leak while checking proxy backend certificate
89- Fixed memory leaks in post_config
90- Safely delete session ticket key (requires GnuTLS >= 3.4)
91- Improved error handling in post_config hook
92- Various handbook updates
93- Internal API documentation can be generated using Doxygen
94- Unused code has been removed (conditionals for GnuTLS 2.x and Apache
95  versions before 2.2, internal Lua bytecode structure last used in
96  2011).
97- Test suite: Fixed locking for access to the PGP keyring of the test
98  certificate authority
99- mod_gnutls can be built using Clang (unsupported)
100
101** Version 0.7.5 (2016-05-28)
102- Sunil Mohan Adapa reported retry loops during session shutdown in
103  cleanup_gnutls_session() due to gnutls_bye() incorrectly returning
104  GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN. Setting the GnuTLS session
105  errno in mgs_transport_write() fixes the problem.
106- Import Daniel Kahn Gillmor's patches for GnuPG v2 support from the
107  Debian package.
108- Build system improvements that allow VPATH builds and get "make
109  distcheck" to work
110
111** Version 0.7.4 (2016-04-13)
112- Support SoftHSM 2 for PKCS #11 testing
113- Increase verbosity of test logs
114
115** Version 0.7.3 (2016-01-12)
116- Update test suite for compatibility with GnuTLS 3.4, which has
117  stricter key usage checks and priorities than 3.3.
118- Write non-HTML output to mod_status reports if AP_STATUS_SHORT is
119  set (mod_status sets it for requests with the "auto" parameter, e.g.
120  https://localhost/server-status?auto).
121- Register "ssl_is_https" function so the special mod_rewrite variable
122  %{HTTPS} works correctly with mod_gnutls. The new test case for this
123  requires Wget or curl. Fixes Debian bug #514005.
124- Test suite servers listen on IPv4 *and* IPv6 loopback addresses by
125  default (other addresses configurable), which should fix failures
126  due to localhost randomly resolving to either on some distributions.
127- Isolate tests using network namespaces, if possible. This avoids
128  port conflicts with other test cases (so they can run in parallel)
129  and host services.
130- Support for local Apache drop-in config files in the test suite
131  (e.g. to load additional modules needed on Fedora).
132- Try to use markdown to build HTML documentation if pandoc is not
133  available.
134- Disable use of flock if it is unavailable or does not support
135  timeouts (the latter caused the build to fail on Debian Hurd).
136- New test: Disable TLS 1.0 (regression test for Debian bug #754960).
137
138** Version 0.7.2 (2015-11-21)
139- Bugfix: Non-blocking reads in the input filter could lead to a busy
140  wait in the gnutls_io_input_read function, causing high load on
141  Keep-Alive connections waiting for data, until either more data
142  could be received or the connection was closed. The fix is to pass
143  EAGAIN/EINTR results up to the input filter so they can be handled
144  properly.
145- Close TLS session if the input filter receives EOF (mostly relevant
146  for proper termination of proxy connections).
147- Remove dependency on APR Memcache, which is replaced by the newer
148  version included in the APR Utility Library (libaprutil).
149- Remove dependency on bc. It was used for floating point arithmetic
150  in the test suite, the calculations have been changed to use
151  integers and pure bash code.
152
153** Version 0.7.1 (2015-10-18)
154- Improved handling of PKCS #11 modules: mod_gnutls now loads either
155  modules specified using GnuTLSP11Module, or the system defaults, but
156  not both. Thanks to Nikos Mavrogiannopoulos for the report and
157  initial patch!
158- Initialize variables to safe defaults during client certificate
159  verification. Certain error code paths did not set them, but they
160  should never be hit due to config validation. This adds another line
161  of defense.
162- Enable C99 support via autoconf
163- Test suite improvements. Most importantly, automake now handles
164  environment setup without any external make calls. Rules to build
165  the certificates are included from the old test makefile. Note that
166  the dependency on GNU make is not new (the test makefile always used
167  GNU make syntax), it just wasn't listed explicitly.
168
169** Version 0.7 (2015-07-12)
170- Security fix for TLS client authentication (CVE-2015-2091)
171- Bug fixes that enable support for reverse proxy operation
172- Various test suite improvements. Tests are configured through autoconf,
173  so the test suite now works for builds without Monkeysphere support.
174- Add support for TLS connections to back end servers when operating as a
175  reverse proxy (X.509 authentication only at the moment).
176- PKCS #11 support for server keys and certificates
177- Use strict compiler arguments by default (-Wall -Werror -Wextra)
178- Allow limiting the size of certificates exported as SSL_SERVER_CERT
179  and SSL_CLIENT_CERT through the GnuTLSExportCertificates directive
180
181** Version 0.6 (2014-02-17)
182- Generating DH Params instead of using static ones.
183- Now considering ServerAlias Directives.
184- Major Legacy Code Cleanup.
185- html and pdf and manual documentation generated from markdown sources
186- support monkeysphere validation agent (MSVA) client-certificate verification
187- wider test suite
188- GnuTLSExportCertificates off by default
189
190** Version 0.5.10 (2011-07-12)
191- Patched a bug responsible for excessive memory consumption by mod_gnutls.
192- Support for proxying from SSL to plain HTTP was added (ie. proxy termination).
193
194** Version 0.5.9 (2010-09-24)
195- GnuTLSCache none is now an allowed option.
196- Corrected behavior in Keep-Alive connections (do not
197  terminate the connection prematurely)
198- The GnuTLSCache variable now can be given the specific
199  option "gdbm" instead of "dbm". "dbm" will use the berkeley
200  db type of libapr while gdbm will force gdbm to be used.
201  sdbm is no longer being used due to serious limitations.
202
203** Version 0.5.8 (2010-08-18)
204- Session tickets are enabled by default.
205- Fixes some segmentation faults noticed in some
206  configurations.
207
208** Version 0.5.7 (2010-07-01)
209- Force usage of SDBM. For some reason the default in
210  my system had issues after reaching a limit of entries.
211  SDBM seems stable so force it.
212- Optimizations in session caching.
213- Added support for session tickets. This allows a
214  server to avoid using a session cache and still support
215  session resumption. This is at the cost of transporting
216  session data during handshake. New option
217  GnuTLSSessionTickets [on|off]
218- Depend on gnutls 2.10.0 to force support for safe
219  renegotiation.
220
221** Version 0.5.6 (2010-03-24)
222- Corrected issue with firefox and long POST data (by
223  handling EINTR and EAGAIN errors in read).
224- Added support for chained client certificates
225- Corrected more issues related to double frees
226http://issues.outoforder.cc/view.php?id=102
227
228** Version 0.5.5 (2009-06-13)
229- Removed limits on CA certificate loading. Reported by
230  Sander Marechal and Jack Bates.
231- Do not allow sending empty TLS packets even when instructed to.
232  This had the side effect of clients closing connection.
233
234** Version 0.5.4 (2009-01-04)
235- mod_gnutls.h: modified definition to extern to avoid compilation
236  errors in darwin.
237- Added patch to fix issue with mod_proxy. Investigation and patch by Alain
238  Knaff.
239- libgnutls detection uses pkg-config.
240
241** Version 0.5.3 (2008-10-16)
242- Corrected bug to allow having an OpenPGP-only web site.
243- Increased Max handshake tries due to interrupted system calls.
244
245** Version 0.5.2 (2008-06-29)
246- Depend on gnutls 2.4 which has openpgp support in main library.
247
248** Version 0.5.1 (2008-03-05)
249- Added --disable-srp configure option
250- Better check for memcache (patch by Guillaume Rousse)
251- Corrected possible memory leak in DBM support for resuming sessions.
252
253** Version 0.5.0-alpha (2008-01-24)
254- Added support for OpenPGP keys. The new directives are:
255  GnuTLSPGPKeyringFile, GnuTLSPGPCertificateFile, GnuTLSPGPKeyFile
256
257** Version 0.4.2 (2007-12-10)
258- Added support for sending a certificate chain.
259- Corrected bug which did not allow the TLS session cache to be used.
260- Do not allow resuming sessions on different servers.
261
262** Version 0.4.1 (2007-12-03)
263- Added support for subject alternative names in certificates.
264Only one per certificate is supported.
265- New enviroment variables: SSL_CLIENT_M_VERSION, SSL_CLIENT_S_SAN%,
266SSL_CLIENT_S_TYPE, SSL_SERVER_M_VERSION, SSL_SERVER_S_SAN%, SSL_SERVER_S_TYPE
267- The compatibility mode can now be enabled explicitely with the
268%COMPAT keyword at the GnuTLSPriorities string. It is no longer the default.
269- Check for GnuTLSPriorities directive. This corrects a segfault. Thanks
270to David Hrbáč.
271- Better handling of GnuTLSDHFile and GnuTLSRSAFile.
272- No longer default paths for RSA and DH parameter files.
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