samba - several vulnerabilities

This update fixes all currently known regressions introduced with
the previous two revisions of DSA-1409.
The original text is reproduced below:

>
> Several local/remote vulnerabilities have been discovered in samba,
> a LanManager-like file and printer server for Unix. The Common
> Vulnerabilities and Exposures project identifies the following problems:
>
>
> * CVE-2007-5398
> Alin Rad Pop of Secunia Research discovered that nmbd did not properly
> check the length of netbios packets. When samba is configured as a WINS
> server, a remote attacker could send multiple crafted requests resulting
> in the execution of arbitrary code with root privileges.
> * CVE-2007-4572
> Samba developers discovered that nmbd could be made to overrun a buffer
> during the processing of GETDC logon server requests. When samba is
> configured as a Primary or Backup Domain Controller, a remote attacker
> could send malicious logon requests and possibly cause a denial of
> service.
>
>
>

For the old stable distribution (sarge), these problems have been fixed in
version 3.0.14a-3sarge10.

For the stable distribution (etch), these problems have been fixed in
version 3.0.24-6etch8.

For the unstable distribution (sid), these problems have been fixed in
version 3.0.27-1.

We recommend that you upgrade your samba packages.