User-Visible krb5-strength Changes
-krb5-strength 2.0 (unreleased)
+krb5-strength 3.3 (unreleased)
+
+ heimdal-history now requires the Perl modules Const::Fast and
+ JSON::MaybeXS instead of Readonly and JSON.
+
+ Explicitly erase the copy of the password made in the Heimdal plugin.
+
+ Update to rra-c-util 10.5:
+
+ * Assume a working snprintf rather than supplying a replacement.
+ * Fix detection of reallocarray on NetBSD.
+ * Check that Kerberos header files were found during configure.
+ * Use AS_ECHO in all Autoconf macros.
+ * Always use lib32 or lib64 if it exists, even on Debian.
+ * Fix rejection of unknown Clang warning flags.
+ * Disable -Wreserved-identifier for Clang warning builds.
+
+krb5-strength 3.2 (2020-05-17)
+
+ Add new -c (--check-only) option to heimdal-history to check whether a
+ password would be accepted without updating the history or password
+ length databases. Based on work by macrotex.
+
+ Increase hash iterations for heimdal-history by roughly a factor of
+ four to increase the time required for a password hash to about 0.1
+ seconds on modern hardware. This will affect newly-stored history
+ entries but will not invalidate existing password history entries.
+
+ Support building without CrackLib support by passing
+ --without-cracklib to configure. This makes the code a bit simpler
+ and lighter if you don't intend to ever use the CrackLib support.
+
+ krb5-strength-wordlist now requires Perl 5.010 or later.
+
+ Use explicit_bzero instead of memset, where available, to overwrite
+ copies of passwords before freeing memory. This reduces the lifetime
+ of passwords in memory.
+
+ Skip tests that require the stronger rule configuration in the
+ embedded CrackLib when built against system CrackLib. This avoids
+ test failures when built with system CrackLib.
+
+ Rework the check-valgrind target to use the new C TAP Harness valgrind
+ support and automatically check the valgrind log files for errors at
+ the end of the test suite.
+
+ Add SPDX-License-Identifier headers to all substantial source files
+ other than those in the bundled version of CrackLib.
+
+ Update to rra-c-util 8.2:
+
+ * Implement explicit_bzero with memset if it is not available.
+ * Reformat all C source using clang-format 10.
+ * Work around Test::Strict not skipping .git directories.
+ * Fix warnings with perltidy 20190601 and Perl::Critic 1.134.
+ * Improve check for obsolete strings.
+ * Use a more standard all-permissive license.
+ * Add SPDX-License-Identifier headers to all substantial source files.
+ * Skip more build system files when running the test suite.
+ * Fix warnings with Clang 10, GCC 10, and the Clang static analyzer.
+ * Exclude more valgrind false positives with Kerberos libraries.
+ * Improve support for AIX's bundled Kerberos.
+
+ Update to C TAP Harness 4.7:
+
+ * Fix warnings with GCC 10.
+ * Reformat all C source using clang-format 10.
+ * Fixed malloc error checking in bstrndup.
+ * Add support for valgrind testing via test list options.
+ * Report test failures as left and right, not wanted and seen.
+ * Fix is_string comparisons involving NULL pointers and "(null)".
+ * Add SPDX-License-Identifier headers to all substantial source files.
+
+krb5-strength 3.1 (2016-12-25)
+
+ A new configuration option, cracklib_maxlen, can be set to skip
+ CrackLib checks of passwords longer than that length. The CrackLib
+ rules were designed in a world in which most passwords were four to
+ eight characters long and tend to spuriously reject longer passwords.
+ SQLite dictionaries work better for checking longer passwords and
+ passphrases. Patch from Jorj Bauer.
+
+ The require_classes configuration option can now require a particular
+ number of character classes in the password (whatever those classes
+ are). Patch from Toby Blake.
+
+ Change the error messages returned for passwords that fail strength
+ checking to start with a capital letter. This appears to be more
+ consistent with the error message conventions used inside Heimdal.
+
+ Change the DB_File::Lock calling method in heimdal-history to work
+ properly with the (buggy) CPAN version of DB_File::Lock, instead of
+ relying on Debian's patched version. Thanks to Bernt Jernberg for the
+ report.
+
+ Apply the SuSE patch for a buffer overflow when using duplicate rules
+ to the embedded CrackLib. No duplicating rules are used in the rule
+ set included with this package, and this package doesn't expose the
+ general API, so this was not exploitable, but best to close the latent
+ issue. (The other recent CrackLib vulnerability, CVE-2016-6318,
+ doesn't apply since all the GECOS manipulation code was removed from
+ the embedded CrackLib in this package.)
+
+ Patch the mkdict and packer in the embedded copy of CrackLib to force
+ C locale when sorting (avoiding a corrupted dictionary) and warn and
+ skip out-of-order words rather than creating a corrupted dictionary.
+ Patch from Mark Sirota.
+
+ Configuration instrutions are now in the heimdal-history and
+ heimdal-strength man pages and a new krb5-strength man page (which
+ documents configuration of the KDC plugin) instead of the README file
+ to make it more accessible after the software has been installed.
+
+ Update to rra-c-util 6.2:
+
+ * Use calloc in preference to malloc wherever appropriate.
+ * Use reallocarray in preference to realloc wherever appropriate.
+ * Suppress warnings from Kerberos headers under make warnings.
+ * Support the embedded Kerberos in Solaris 10 in library probes.
+ * Add missing va_end in xasprintf implementation.
+ * Fix logic in Test::RRA::Automake for new Automake dist checking.
+ * Fix all return-value checks for snprintf to avoid off-by-one error.
+ * Update warning flags for make warnings to GCC 6.1.0.
+ * Fix Test::RRA::Config for new "do" semantics in Perl 5.22.2.
+ * Add a new test for obsolete eyrie.org URLs.
+ * Require Test::Strict 0.25 or newer for Perl strictness checks.
+
+ Update to C TAP Harness 4.1:
+
+ * Replace all remaining uses of sprintf.
+ * Test lists may now have comments and blank lines.
+ * runtests -v will show the complete output from a test.
+ * Fix segfault in runtests when given an empty test list.
+ * Tests use C_TAP_SOURCE and C_TAP_BUILD instead of SOURCE and BUILD.
+
+krb5-strength 3.0 (2014-03-25)
+
+ The krb5-strength plugin and heimdal-strength program now support a
+ SQLite password dictionary. This format of dictionary can detect any
+ password within edit distance one of a dictionary word, meaning that
+ the dictionary word can be formed by adding, removing, or changing a
+ single character in the password. A SQLite password dictionary can be
+ used alone or in combination with any of the other supported
+ dictionary types. SQLite dictionary support is based on work by David
+ Mazières.
+
+ cdbmake-wordlist has been renamed to krb5-strength-wordlist.
+ Generating CDB dictionaries now requires the -c option; see the
+ documentation for more information. A SQLite database of dictionary
+ words can now be created instead, using the -s option.
+
+ A password history implementation for Heimdal is now included. This
+ is a separate Perl program, heimdal-history, that stacks with the
+ external program implementation of strength checking. It is not
+ available in the form of a plugin, only as a Heimdal external password
+ quality check. (MIT Kerberos provides its own password history
+ mechanism.) This program has more extensive Perl module dependencies
+ than the other programs in this distribution.
+
+ A new configuration option, minimum_different, can be set to require
+ that passwords contain at least that many unique characters. This can
+ be used to reject long strings of identical characters or short
+ patterns, which may pass other checks but still be too easy to guess.
+
+ Update to rra-c-util 5.4:
+
+ * Fix portable/krb5.h build with a C++ compiler.
+ * Use Lancaster Consensus environment variables to control tests.
+ * Work around perltidy bug that leaves behind stray log files.
+
+ Update to C TAP Harness 3.0:
+
+ * Reopen standard input to /dev/null when running a test list.
+ * Don't leak extraneous file descriptors to tests.
+
+krb5-strength 2.2 (2013-12-16)
+
+ More complex character class requirements can be specified with the
+ configuration option require_classes. This option lists the character
+ classes the password must contain. These restrictions may be
+ qualified with password length ranges, allowing the requirements to
+ change with the length of the password. See README for more details
+ and the option syntax.
+
+ cdbmake-wordlist now supports filtering out words based on maximum
+ length (-L) and arbitrary user-provided regular expressions (-x). It
+ also supports running in filter mode to produce a new wordlist instead
+ of a CDB file (-o).
+
+ Close a file descriptor and memory leak in the included version of
+ CrackLib. This problem was already fixed in CrackLib 2.9.0.
+
+ Update to rra-c-util 4.12:
+
+ * Properly check the return status of snprintf and friends.
+
+ Update to C TAP Harness 2.3:
+
+ * Suppress lazy plans and test summaries if the test failed with bail.
+ * Add warn_unused_result gcc attributes to relevant functions.
+
+krb5-strength 2.1 (2013-10-10)
+
+ Fix the package build when CDB support is disabled or TinyCDB was not
+ found.
+
+ Some of the password rejection error messages have been changed to
+ make them more accurate or comprehensible to the user.
+
+ Passing --with-tinycdb to configure now correctly makes TinyCDB
+ support mandatory without adding bogus directories to the library and
+ include search paths.
+
+krb5-strength 2.0 (2013-10-07)
Add support for the MIT Kerberos password quality plugin interface,
available in MIT Kerberos 1.9 and later, contributed by Greg Hudson
and MIT. Drop the patch for MIT Kerberos 1.4 (and hence support for
- versions of MIT Kerberos prior to 1.9).
+ versions of MIT Kerberos prior to 1.9). A dictionary path set in
+ krb5.conf takes precedence over the dictionary path provided by MIT
+ Kerberos when the plugin is initialized, if both are set, to allow the
+ dict_path configuration setting to be used for other plugins while
+ using a separate dictionary for krb5-strength.
+
+ The default installation path for this plugin is now
+ /usr/local/lib/krb5/plugins/pwqual/strength.so (for both MIT and
+ Heimdal), assuming a --libdir setting of /usr/local/lib. This may
+ require updates to the Kerberos KDC configuration or moving the plugin
+ when upgrading from earlier versions.
Add support for building with TinyCDB and then checking passwords
against a CDB database. There is a new password_dictionary_cdb
requires that passwords contain at least one character that is not a
letter (upper or lower case) or a space.
+ The plugin can now be configured without a dictionary, in which case
+ only checks for a password based on the principal and the simpler
+ checks available through the new configuration variables are done.
+ This mode is mostly useful for testing, since such simple checking can
+ more easily be done via less complex password strength configurations.
+
+ The check for passwords based on the principal now check for passwords
+ formed by reversing or adding numbers before and after each separate
+ component of the principal. This will catch passwords based on the
+ realm or components of the realm, which will often catch passwords
+ based on the name of the local institution.
+
The plugin now sets the Kerberos error message in the context to pass
error information, resulting in higher-quality error reporting in the
MIT Kerberos plugin.
projects / kerberos / krb5-strength.git / blobdiff