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Message-ID: <f7fe3602-156f-4d7a-94f9-bc66bd61cd1b@oracle.com>
Date: Fri, 13 Oct 2023 17:11:55 -0700
From: Alan Coopersmith <alan.coopersmith@...cle.com>
To: oss-security@...ts.openwall.com
Subject: Samba 4.19.1, 4.18.8 and 4.17.12 Security Releases are available for
Download
Forwarding from https://lists.samba.org/archive/samba-announce/2023/000651.html
> Release Announcements
> ---------------------
>
> This is a security release in order to address the following defects:
>
>
> o CVE-2023-3961: Unsanitized pipe names allow SMB clients to connect as
> root to
> existing unix domain sockets on the file system.
> https://www.samba.org/samba/security/CVE-2023-3961.html
>
> o CVE-2023-4091: SMB client can truncate files to 0 bytes by opening
> files with
> OVERWRITE disposition when using the acl_xattr Samba VFS
> module with the smb.conf setting
> "acl_xattr:ignore system acls = yes"
> https://www.samba.org/samba/security/CVE-2023-4091.html
>
> o CVE-2023-4154: An RODC and a user with the GET_CHANGES right can view all
> attributes, including secrets and passwords.
> Additionally,
> the access check fails open on error conditions.
> https://www.samba.org/samba/security/CVE-2023-4154.html
>
> o CVE-2023-42669: Calls to the rpcecho server on the AD DC can request
> that the
> server block for a user-defined amount of time, denying
> service.
> https://www.samba.org/samba/security/CVE-2023-42669.html
>
> o CVE-2023-42670: Samba can be made to start multiple incompatible RPC
> listeners, disrupting service on the AD DC.
> https://www.samba.org/samba/security/CVE-2023-42670.html
>
>
> Changes
> -------
>
> o Jeremy Allison <jra at samba.org>
> * BUG 15422: CVE-2023-3961.
>
> o Andrew Bartlett <abartlet at samba.org>
> * BUG 15424: CVE-2023-4154.
> * BUG 15473: CVE-2023-42670.
> * BUG 15474: CVE-2023-42669.
>
> o Ralph Boehme <slow at samba.org>
> * BUG 15439: CVE-2023-4091.
>
>
> #######################################
> 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-4.19.1.html
> https://www.samba.org/samba/history/samba-4.18.8.html
> https://www.samba.org/samba/history/samba-4.17.12.html
>
> Our Code, Our Bugs, Our Responsibility.
> (https://bugzilla.samba.org/)
>
> --Enjoy
> The Samba Team
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