[USN-4341-2] Samba vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4341-2
April 29, 2020

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

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

- Ubuntu 14.04 ESM

Summary:

Samba could be made to consume resources if it received a specially
crafted LDAP query.

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

Details:

USN-4341-1 fixed a vulnerability in Samba. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

 It was discovered that Samba incorrectly handled certain LDAP queries. A
 remote attacker could possibly use this issue to cause Samba to consume
 resources, resulting in a denial of service. (CVE-2020-10704)

Update instructions:

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

Ubuntu 14.04 ESM:
  samba                           2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6

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

References:
  https://usn.ubuntu.com/4341-2
  https://usn.ubuntu.com/4341-1
  CVE-2020-10704
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