Samba 4.0.0到4.1.10版本的nmbd(the NetBIOS name services daemon)被发现存在远程命令执行漏洞。CVE编号为CVE-2014-3560。目前官方已经发布最新的补丁。
下面是官方公布的漏洞概要：
===========================================================
== Subject: Remote code execution in nmbd
==
== CVE ID#: CVE-2014-3560
==
== Versions: Samba 4.0.0 to 4.1.10
==
== Summary: Samba 4.0.0 to 4.1.10 are affected by a
== remote code execution attack on
==unauthenticated nmbd NetBIOS name services.
==
===========================================================
===========
Description
===========
All current versions of Samba 4.x.x are vulnerable to a remote code
execution vulnerability in the nmbd NetBIOS name services daemon.
A malicious browser can send packets that may overwrite the heap of
the target nmbd NetBIOS name services daemon. It may be possible to
use this to generate a remote code execution vulnerability as the
superuser (root).
科普
Samba，是种用来让UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS（Server Message Block/Common Internet File System）网络协议做链接的自由软件。第三版不仅可访问及分享SMB的文件夹及打印机，本身还可以集成入Windows Server的域名，扮演为域名控制站（Domain Controller）以及加入Active Directory成员。简而言之，此软件在Windows与UNIX系列OS之间搭起一座桥梁，让两者的资源可互通有无。