krb5-1.9.1 is released
tlyu at MIT.EDU
Thu May 5 18:28:54 EDT 2011
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The MIT Kerberos Team announces the availability of MIT Kerberos 5
Release 1.9.1. 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 1.9.1
You may retrieve the Kerberos 5 Release 1.9.1 source from the
The homepage for the krb5-1.9.1 release is:
Further information about Kerberos 5 may be found at the following
and at the MIT Kerberos Consortium web site:
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 1.9.1
This is primarily a bugfix release.
* Fix vulnerabilities:
** kpropd denial of service [MITKRB5-SA-2011-001 CVE-2010-4022]
** KDC denial of service attacks [MITKRB5-SA-2011-002
CVE-2011-0281 CVE-2011-0282 CVE-2011-0283]
** KDC double-free when PKINIT enabled [MITKRB5-SA-2011-003
** kadmind frees invalid pointer [MITKRB5-SA-2011-004 CVE-2011-0285]
** Don't reject AP-REQ messages if their PAC doesn't validate;
suppress the PAC instead.
** Correctly validate HMAC-MD5 checksums that use DES keys
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