krb5-1.8.5 is released
tlyu at MIT.EDU
Fri Nov 4 19:53:03 EDT 2011
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The MIT Kerberos Team announces the availability of MIT Kerberos 5
Release 1.8.5. 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 1.8.5
You may retrieve the Kerberos 5 Release 1.8.5 source from the
The homepage for the krb5-1.8.5 release is:
Further information about Kerberos 5 may be found at the following
and at the MIT Kerberos Consortium web site:
The krb5-1.8 release disables single-DES cryptosystems by default. As
a result, you may need to add the libdefaults setting
"allow_weak_crypto = true" to communicate with existing Kerberos
infrastructures if they do not support stronger ciphers.
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 now defaults to "false"
beginning with krb5-1.8. The krb5-1.8 release includes additional
measures to ease the transition away from single-DES. These
additional measures include:
* enctype config enhancements (so you can do "DEFAULT +des", etc.)
* new API to allow applications (e.g. AFS) to explicitly reenable weak
* easier kadmin history key changes
Major changes in 1.8.5
This is primarily a bugfix release.
* Fix MITKRB5-SA-2011-006 KDC denial of service vulnerabilities
[CVE-2011-1528 CVE-2011-1529 CVE-2011-4151].
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