samba - Jul 2023 - [Announce] Samba 4.18.5, 4.17.10., 4.16.11 Security Releases are available for Download

Release Announcements
---------------------

This are security releases in order to address the following defects:

o CVE-2022-2127:? When winbind is used for NTLM authentication, a 
maliciously
 ????????????????? crafted request can trigger an out-of-bounds read in 
winbind
 ????????????????? and possibly crash it.
https://www.samba.org/samba/security/CVE-2022-2127.html

o CVE-2023-3347:? SMB2 packet signing is not enforced if an admin configured
 ????????????????? "server signing = required" or for SMB2 connections
to Domain
 ????????????????? Controllers where SMB2 packet signing is mandatory.
https://www.samba.org/samba/security/CVE-2023-3347.html

o CVE-2023-34966: An infinite loop bug in Samba's mdssvc RPC service for
 ????????????????? Spotlight can be triggered by an unauthenticated 
attacker by
 ????????????????? issuing a malformed RPC request.
https://www.samba.org/samba/security/CVE-2023-34966.html

o CVE-2023-34967: Missing type validation in Samba's mdssvc RPC service for
 ????????????????? Spotlight can be used by an unauthenticated attacker to
 ????????????????? trigger a process crash in a shared RPC mdssvc worker 
process.
https://www.samba.org/samba/security/CVE-2023-34967.html

o CVE-2023-34968: As part of the Spotlight protocol Samba discloses the 
server-
 ????????????????? side absolute path of shares and files and directories in
 ????????????????? search results.
https://www.samba.org/samba/security/CVE-2023-34968.html


Changes
-------

o? Ralph Boehme <slow at samba.org>
 ?? * BUG 15072: CVE-2022-2127.
 ?? * BUG 15340: CVE-2023-34966.
 ?? * BUG 15341: CVE-2023-34967.
 ?? * BUG 15388: CVE-2023-34968.
 ?? * BUG 15397: CVE-2023-3347.

o? Samuel Cabrero <scabrero at samba.org>
 ?? * BUG 15072: CVE-2022-2127.

o? Volker Lendecke <vl at samba.org>
 ?? * BUG 15072: CVE-2022-2127.

o? Stefan Metzmacher <metze at samba.org>
 ?? * BUG 15418: Secure channel faulty since Windows 10/11 update 07/2023.


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

Please discuss this release on the samba-technical mailing list or by
joining the #samba-technical:matrix.org matrix room, or
#samba-technical IRC channel on irc.libera.chat.

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-4.18.5.html
 ??????? https://www.samba.org/samba/history/samba-4.17.10.html
https://www.samba.org/samba/history/samba-4.16.11.html

Our Code, Our Bugs, Our Responsibility.
(https://bugzilla.samba.org/)

 ??????????????????????? --Enjoy
 ??????????????????????? The Samba Team

19.07.2023 17:55, Jule Anger via samba weote:
> Release Announcements
> ---------------------
> 
> This are security releases in order to address the following defects:
> 
> o CVE-2022-2127:? When winbind is used for NTLM authentication, a
maliciously
>  ????????????????? crafted request can trigger an out-of-bounds read in
winbind
>  ????????????????? and possibly crash it.
> https://www.samba.org/samba/security/CVE-2022-2127.html
> 
> o CVE-2023-3347:? SMB2 packet signing is not enforced if an admin
configured
>  ????????????????? "server signing = required" or for SMB2
connections to Domain
>  ????????????????? Controllers where SMB2 packet signing is mandatory.
> https://www.samba.org/samba/security/CVE-2023-3347.html
> 
> o CVE-2023-34966: An infinite loop bug in Samba's mdssvc RPC service
for
>  ????????????????? Spotlight can be triggered by an unauthenticated
attacker by
>  ????????????????? issuing a malformed RPC request.
> https://www.samba.org/samba/security/CVE-2023-34966.html
> 
> o CVE-2023-34967: Missing type validation in Samba's mdssvc RPC service
for
>  ????????????????? Spotlight can be used by an unauthenticated attacker to
>  ????????????????? trigger a process crash in a shared RPC mdssvc worker
process.
> https://www.samba.org/samba/security/CVE-2023-34967.html
> 
> o CVE-2023-34968: As part of the Spotlight protocol Samba discloses the
server-
>  ????????????????? side absolute path of shares and files and directories
in
>  ????????????????? search results.
> https://www.samba.org/samba/security/CVE-2023-34968.html
> 
> 
> Changes
> -------
> 
> o? Ralph Boehme <slow at samba.org>
>  ?? * BUG 15072: CVE-2022-2127.
>  ?? * BUG 15340: CVE-2023-34966.
>  ?? * BUG 15341: CVE-2023-34967.
>  ?? * BUG 15388: CVE-2023-34968.
>  ?? * BUG 15397: CVE-2023-3347.
> 
> o? Samuel Cabrero <scabrero at samba.org>
>  ?? * BUG 15072: CVE-2022-2127.
> 
> o? Volker Lendecke <vl at samba.org>
>  ?? * BUG 15072: CVE-2022-2127.
> 
> o? Stefan Metzmacher <metze at samba.org>
>  ?? * BUG 15418: Secure channel faulty since Windows 10/11 update 07/2023.

Thank you for the good work!

Updated binary packages for samba 4.18.5, 4.17.10 and 4.16.11 for
actual Debian and Ubuntu releases are available in my apt repository at

  http://www.corpit.ru/mjt/packages/samba/

as usual.

Thanks,

/mjt