[USN-3296-2] Samba vulnerability

[Tyler Hicks]

==========================================================================
Ubuntu Security Notice USN-3296-2
May 24, 2017

samba vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

Samba could be made to run programs as an administrator.

Software Description:
- samba: SMB/CIFS file, print, and login server for Unix

Details:

USN-3296-1 fixed a vulnerability in Samba. This update provides the
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that Samba incorrectly handled shared libraries. A remote
 attacker could use this flaw to upload a shared library to a writable share
 and execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  samba                           2:3.6.25-0ubuntu0.12.04.11

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3296-2
  https://www.ubuntu.com/usn/usn-3296-1
  CVE-2017-7494

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