Samba Security Update für 4.6 4.5 und 4.4

Die Open-Source Software für Datei und Druckerfreigaben, Samaba, erhielt vor kurzem ein Sicherheitsupdate. Das Update behebt eine REmote Code Execution in allen Samba Versionen nach 3.5.0. Die Entwickler haben entsprechend für die aktuellen Zweige die Updates für 4.6.4, 4.5.10 und 4.4.14, veröffentlicht.

Samba Security Release Notes 2017-7494

===========
Description
===========

All versions of Samba from 3.5.0 onwards are vulnerable to a remote
code execution vulnerability, allowing a malicious client to upload a
shared library to a writable share, and then cause the server to load
and execute it.

==================
Patch Availability
==================

A patch addressing this defect has been posted to

http://www.samba.org/samba/security/

Additionally, Samba 4.6.4, 4.5.10 and 4.4.14 have been issued as
security releases to correct the defect. Patches against older Samba
versions are available at http://samba.org/samba/patches/. Samba
vendors and administrators running affected versions are advised to
upgrade or apply the patch as soon as possible.

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Workaround
==========

Add the parameter:

nt pipe support = no

to the [global] section of your smb.conf and restart smbd. This
prevents clients from accessing any named pipe endpoints. Note this
can disable some expected functionality for Windows clients.

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