krb5-1.10.5 is released

Thu Apr 18 16:55:10 EDT 2013

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The MIT Kerberos Team announces the availability of MIT Kerberos 5
Release 1.10.5.  Please see below for a list of some major changes
included, or consult the README file in the source tree for a more
detailed list of significant changes.

RETRIEVING KERBEROS 5 RELEASE 1.10.5
====================================

You may retrieve the Kerberos 5 Release 1.10.5 source from the
following URL:

        http://web.mit.edu/kerberos/dist/

The homepage for the krb5-1.10.5 release is:

        http://web.mit.edu/kerberos/krb5-1.10/

Further information about Kerberos 5 may be found at the following
URL:

        http://web.mit.edu/kerberos/

and at the MIT Kerberos Consortium web site:

        http://www.kerberos.org/

DES transition
==============

The Data Encryption Standard (DES) is widely recognized as weak.  The
krb5-1.7 release contains measures to encourage sites to migrate away
- From using single-DES cryptosystems.  Among these is a configuration
variable that enables "weak" enctypes, which defaults to "false"
beginning with krb5-1.8.

Major changes in krb5-1.10.5 (2013-04-17)
=========================================

This is a bugfix release.  The krb5-1.10 release series is in
maintenance, and for new deployments, installers should prefer the
krb5-1.11 release series or later.

* Fix KDC null pointer dereference in TGS-REQ handling [CVE-2013-1416]

* Incremental propagation could erroneously act as if a slave's
  database were current after the slave received a full dump that
  failed to load.

Major changes in krb5-1.10.4 (2013-03-01)
=========================================

This is a bugfix release.

* Fix null PKINIT pointer dereference vulnerabilities [CVE-2012-1016,
  CVE-2013-1415]

* Prevent the KDC from returning a host-based service principal
  referral to the local realm.

Major changes in 1.10.3 (2012-08-08)
====================================

This is a bugfix release.

* Fix KDC uninitialized pointer vulnerabilities that could lead to a
  denial of service [CVE-2012-1014] or remote code execution
  [CVE-2012-1015].

* Correctly use default_tgs_enctypes instead of default_tkt_enctypes
  for TGS requests.

Major changes in 1.10.2 (2012-05-31)
====================================

This is a bugfix release.

* Fix an interop issue with Windows Server 2008 R2 Read-Only Domain
  Controllers.

* Update a workaround for a glibc bug that would cause DNS PTR queries
  to occur even when rdns = false.

* Fix a kadmind denial of service issue (null pointer dereference),
  which could only be triggered by an administrator with the "create"
  privilege.  [CVE-2012-1013]

Major changes in 1.10.1 (2012-03-08)
====================================

This is a bugfix release.

* Fix access controls for KDB string attributes [CVE-2012-1012]

* Make the ASN.1 encoding of key version numbers interoperate with
  Windows Read-Only Domain Controllers

* Avoid generating spurious password expiry warnings in cases where
  the KDC sends an account expiry time without a password expiry time.

Major changes in 1.10 (2012-01-27)
==================================

Additional background information on these changes may be found at

    http://k5wiki.kerberos.org/wiki/Release_1.10

and

    http://k5wiki.kerberos.org/wiki/Category:Release_1.10_projects

Code quality:

* Fix MITKRB5-SA-2011-006 and MITKRB5-SA-2011-007 KDC denial of
  service vulnerabilities [CVE-2011-1527 CVE-2011-1528 CVE-2011-1529
  CVE-2011-1530].

* Update the Fortuna implementation to more accurately implement the
  description in _Cryptography Engineering_, and make it the default
  PRNG.

* Add an alternative PRNG that relies on the OS native PRNG.

Developer experience:

* Add the ability for GSSAPI servers to use any keytab key for a
  specified service, if the server specifies a host-based name with no
  hostname component.

* In the build system, identify the source files needed for
  per-message processing within a kernel and ensure that they remain
  independent.

* Allow rd_safe and rd_priv to ignore the remote address.

* Rework KDC and kadmind networking code to use an event loop
  architecture.

* Add a plugin interface for providing configuration information.

Administrator experience:

* Add more complete support for renaming principals.

* Add the profile variable ignore_acceptor_hostname in libdefaults. If
  set, GSSAPI will ignore the hostname component of acceptor names
  supplied by the server, allowing any keytab key matching the service
  to be used.

* Add support for string attributes on principal entries.

* Allow password changes to work over NATs.

End-user experience:

* Add the DIR credential cache type, which can hold a collection of
  credential caches.

* Enhance kinit, klist, and kdestroy to support credential cache
  collections if the cache type supports it.

* Add the kswitch command, which changes the selected default cache
  within a collection.

* Add heuristic support for choosing client credentials based on the
  service realm.

* Add support for $HOME/.k5identity, which allows credential choice
  based on configured rules.

* Add support for localization. (No translations are provided in this
  release, but the infrastructure is present for redistributors to
  supply them.)

Protocol evolution:

* Make PKINIT work with FAST in the client library.
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