I'm pleased to announce release 3.1 of krb5-strength.
krb5-strength provides a password quality plugin for the MIT Kerberos KDC
(specifically the kadmind server) and Heimdal KDC, an external password
quality program for use with Heimdal, and a per-principal password history
implementation for Heimdal. Passwords can be tested with CrackLib,
checked against a CDB or SQLite database of known weak passwords with some
transformations, checked for length, checked for non-printable or
non-ASCII characters that may be difficult to enter reproducibly, required
to contain particular character classes, or any combination of these
tests.
Changes from previous release:
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.
You can download it from:
<http://www.eyrie.org/~eagle/software/krb5-strength/>
This package is maintained using Git; see the instructions on the above
page to access the Git repository.
Debian packages have been uploaded to Debian unstable.
Please let me know of any problems or feature requests not already listed
in the TODO file.
--
Russ Allbery (ea...@eyrie.org) <http://www.eyrie.org/~eagle/>
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