krb5-1.7.2 is released

[Tom Yu]

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The MIT Kerberos Team announces the availability of MIT Kerberos 5
Release 1.7.2.  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 1.7.2
===================================

You may retrieve the Kerberos 5 Release 1.7.2 source from the
following URL:

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

The homepage for the krb5-1.7.2 release is:

        http://web.mit.edu/kerberos/krb5-1.7/

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 will contain measures to encourage sites to migrate
away from using single-DES cryptosystems.  Among these is a
configuration variable that enables "weak" enctypes, but will default
to "false" in the future.  Additional migration aids are planned for
future releases.

Major changes in 1.7.2
======================

This is primarily a bugfix release.

* Fix vulnerabilities:
  ** KDC denial of service [MITKRB5-SA-2010-001 CVE-2010-0283]
  ** SPNEGO denial of service [MITKRB5-SA-2010-002 CVE-2010-0628]
  ** KDC double free [MITKRB5-SA-2010-004 CVE-2010-1320]
  ** GSS-API null pointer dereference [MITKRB5-SA-2010-005 CVE-2010-1321]
  ** multiple checksum vulnerabilities [MITKRB5-SA-2010-007
     CVE-2010-1324 CVE-2010-1323 CVE-2010-4021]
  ** kpropd denial of service [MITKRB5-SA-2011-001 CVE-2010-4022]
  ** KDC denial of service [MITKRB5-SA-2011-002 CVE-2011-0281 CVE-2011-0282]
  ** KDC double-free (PKINIT) [MITKRB5-SA-2011-003 CVE-2011-0284]
  ** kadmind frees invalid pointer [MITKRB5-SA-2011-004 CVE-2011-0285]

* Fix the krb5-1.7 KDB master key migration support to handle pre-1.7
  databases with master key kvno != 1
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