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| -rw-r--r-- | README | 45 | ||||
| -rw-r--r-- | src/patchlevel.h | 2 |
2 files changed, 30 insertions, 17 deletions
@@ -1,4 +1,4 @@ - Kerberos Version 5, Release 1.21 + Kerberos Version 5, Release 1.22 Release Notes The MIT Kerberos Team @@ -64,31 +64,43 @@ and using the "Guest Login" button. Please note that the web interface to our bug database is read-only for guests, and the primary way to interact with our bug database is via email. -PAC transition --------------- +PAC transitions +--------------- Beginning with release 1.20, the KDC will include minimal PACs in tickets instead of AD-SIGNEDPATH authdata. S4U requests (protocol transition and constrained delegation) must now contain valid PACs in -the incoming tickets. If only some KDCs in a realm have been upgraded -across version 1.20, the upgraded KDCs will reject S4U requests -containing tickets from non-upgraded KDCs and vice versa. +the incoming tickets. Beginning with release 1.21, service ticket +PACs will contain a new KDC checksum buffer, to mitigate a hash +collision attack against the old KDC checksum. If only some KDCs in a +realm have been upgraded across versions 1.20 or 1.21, the upgraded +KDCs will reject S4U requests containing tickets from non-upgraded +KDCs and vice versa. + +Triple-DES and RC4 transitions +------------------------------ -Triple-DES transition ---------------------- +Beginning with the krb5-1.21 release, the KDC will not issue tickets +with triple-DES or RC4 session keys unless explicitly configured using +the new allow_des3 and allow_rc4 variables in [libdefaults]. To +facilitate the negotiation of session keys, the KDC will assume that +all services can handle aes256-sha1 session keys unless the service +principal has a session_enctypes string attribute. Beginning with the krb5-1.19 release, a warning will be issued if initial credentials are acquired using the des3-cbc-sha1 encryption -type. In future releases, this encryption type will be disabled by -default and eventually removed. +type. Beginning with the krb5-1.21 release, a warning will also be +issued for the arcfour-hmac encryption type. In future releases, +these encryption types will be disabled by default and eventually +removed. -Beginning with the krb5-1.18 release, single-DES encryption types have -been removed. +Beginning with the krb5-1.18 release, all support for single-DES +encryption types has been removed. -Major changes in 1.21 +Major changes in 1.22 --------------------- -krb5-1.21 changes by ticket ID +krb5-1.22 changes by ticket ID ------------------------------ Acknowledgements @@ -253,6 +265,7 @@ reports, suggestions, and valuable resources: Peter Eriksson Juha Erkkilä Gilles Espinasse + Sergey Fedorov Ronni Feldt Bill Fellows JC Ferguson @@ -300,6 +313,7 @@ reports, suggestions, and valuable resources: Brian Johannesmeyer Joel Johnson Lutz Justen + Ganesh Kamath Alexander Karaivanov Anders Kaseorg Bar Katz @@ -433,10 +447,9 @@ reports, suggestions, and valuable resources: Tianjiao Yin Nickolai Zeldovich Bean Zhang + ChenChen Zhou Hanz van Zijst Gertjan Zwartjes The above is not an exhaustive list; many others have contributed in various ways to the MIT Kerberos development effort over the years. -Other acknowledgments (for bug reports and patches) are in the -doc/CHANGES file. diff --git a/src/patchlevel.h b/src/patchlevel.h index 6dc08ab15..8e80715a5 100644 --- a/src/patchlevel.h +++ b/src/patchlevel.h @@ -50,7 +50,7 @@ * organization. */ #define KRB5_MAJOR_RELEASE 1 -#define KRB5_MINOR_RELEASE 21 +#define KRB5_MINOR_RELEASE 22 #define KRB5_PATCHLEVEL 0 #define KRB5_RELTAIL "prerelease" /* #undef KRB5_RELDATE */ |