Announce: Samba 4.15.3 Available for Download

This is the latest stable release of the Samba 4.15 release series.



Important Notes
===============

There have been a few regressions in the security release 4.15.2:
o CVE-2020-25717: A user on the domain can become root on domain members. https://www.samba.org/samba/security/CVE-2020-25717.html
                  PLEASE [RE-]READ!
                  The instructions have been updated and some workarounds
                  initially adviced for 4.15.2 are no longer required and
                  should be reverted in most cases.
o BUG-14902: User with multiple spaces (eg FredNurk) become              un-deletable. While this release should fix this bug, it is
             adviced to have a look at the bug report for more detailed
             information, see
https://bugzilla.samba.org/show_bug.cgi?id=14902.

Changes since 4.15.2
--------------------

o  Jeremy Allison
   * BUG 14878: Recursive directory delete with veto files is broken in 4.15.0.
   * BUG 14879: A directory containing dangling symlinks cannot be deleted by
     SMB2 alone when they are the only entry in the directory.    * BUG 14892: SIGSEGV in rmdir_internals/synthetic_pathref - dirfsp is used
     uninitialized in rmdir_internals().

o  Andrew Bartlett
   * BUG 14694: MaxQueryDuration not honoured in Samba AD DC LDAP.    * BUG 14901: The CVE-2020-25717 username map [script] advice has undesired
     side effects for the local nt token.
   * BUG 14902: User with multiple spaces (eg FredNurk) become
     un-deletable.

o  Ralph Boehme
   * BUG 14127: Avoid storing NTTIME_THAW (-2) as value on disk.    * BUG 14882: smbXsrv_client_global record validation leads to crash if     existing record points at non-existing process.
   * BUG 14890: Crash in vfs_fruit asking for fsp_get_io_fd() for an XATTR call.
   * BUG 14897: Samba process doesn't log to logfile.
   * BUG 14907: set_ea_dos_attribute() fallback calling
     get_file_handle_for_metadata() triggers locking.tdb assert.    * BUG 14922: Kerberos authentication on standalone server in MIT realm     broken.
   * BUG 14923: Segmentation fault when joining the domain.
o  Alexander Bokovoy
   * BUG 14903: Support for ROLE_IPA_DC is incomplete.

o  Günther Deschner
   * BUG 14767: rpcclient cannot connect to ncacn_ip_tcp services anymore   * BUG 14893: winexe crashes since 4.15.0 after popt parsing.
o  Volker Lendecke
   * BUG 14908: net ads status -P broken in a clustered environment.
o  Stefan Metzmacher
   * BUG 14788: Memory leak if ioctl(FSCTL_VALIDATE_NEGOTIATE_INFO) fails before
     smbd_smb2_ioctl_send.
   * BUG 14882: smbXsrv_client_global record validation leads to crash if     existing record points at non-existing process.
   * BUG 14899: winbindd doesn't start when "allow trusted domains" is off.
   * BUG 14901: The CVE-2020-25717 username map [script] advice has undesired
     side effects for the local nt token.

o  Andreas Schneider
   * BUG 14767: rpcclient cannot connect to ncacn_ip_tcp services anymore.
   * BUG 14883: smbclient login without password using '-N' fails with      NT_STATUS_INVALID_PARAMETER on Samba AD DC.
   * BUG 14912: A schannel client incorrectly detects a downgrade connecting to
     an AES only server.
   * BUG 14921: Possible null pointer dereference in winbind.
o  Andreas Schneider
   * BUG 14846: Fix -k legacy option for client tools like smbclient, rpcclient,
     net, etc.

o  Martin Schwenke
   * BUG 14872: Add Debian 11 CI bootstrap support.

o  Joseph Sutton
   * BUG 14694: MaxQueryDuration not honoured in Samba AD DC LDAP.    * BUG 14901: The CVE-2020-25717 username map [script] advice has undesired
     side effects for the local nt token.

o  Andrew Walker
   * BUG 14888: Crash in recycle_unlink_internal().

#######################################
Reporting bugs & Development Discussion
#######################################

Please discuss this release on the samba-technical mailing list or by joining the #samba-technical IRC channel on irc.freenode.net.
If you do report problems then please try to send high quality feedback. If you don't provide vital information to help us track down the problem then you will probably be ignored.  All bug reports should be filed under the Samba 4.1 and newer product in the project's Bugzilla database ( https://bugzilla.samba.org/).

======================================================================
== Our Code, Our Bugs, Our Responsibility.
== The Samba Team
======================================================================


================
Download Details
================

The uncompressed tarballs and patch files have been signed
using GnuPG (ID AA99442FB680B620).  The source code can be downloaded from:

        https://download.samba.org/pub/samba/stable/
The release notes are available online at:

        https://www.samba.org/samba/history/samba-4.15.3.html
Our Code, Our Bugs, Our Responsibility.
( https://bugzilla.samba.org/)

                        --Enjoy
                        The Samba Team