Remote code execution in Samba's WINS

Description

Secunia Research reported a vulnerability that allows for
the execution of arbitrary code in nmbd. This defect may
only be exploited when the “wins support” parameter has
been enabled in smb.conf.

Patch Availability

A patch addressing this defect has been posted to

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

Additionally, Samba 3.0.27 has been issued as a security
release to correct the defect.

Workaround

Samba administrators may avoid this security issue by
disabling the “wins support” feature in the hosts smb.conf
file.

Credits

This vulnerability was reported to Samba developers by
Alin Rad Pop, Secunia Research.

The time line is as follows:

• Oct 30, 2007: Initial report to [email protected].
• Oct 30, 2007: First response from Samba developers confirming
  the bug along with a proposed patch.
• Nov 15, 2007: Public security advisory to be made available.

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