ESB-2018.2042 - [Linux][Ubuntu] dnsmasq: Reduced security - Unknown/unspecified 2018-07-13

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2042
           Ubuntu updates DNS validation trust anchor in dnsmasq
                               13 July 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           dnsmasq
Publisher:         Ubuntu
Operating System:  Ubuntu
                   Linux variants
Impact/Access:     Reduced Security -- Unknown/Unspecified
Resolution:        Patch/Upgrade

Reference:         ESB-2018.2041

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3716-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running dnsmasq check for an updated version of the software for 
         their operating system.

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Ubuntu Security Notice USN-3716-1
July 12, 2018

dnsmasq update
==========================================================================

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

- - Ubuntu 16.04 LTS

Summary:

The list of trust anchors has been updated.

Software Description:
- - dnsmasq: Small caching DNS proxy and DHCP/TFTP server

Details:

This update adds the latest DNSSEC validation trust anchor required for the
upcoming Root Zone KSK Rollover.

Update instructions:

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

Ubuntu 16.04 LTS:
  dnsmasq                         2.75-1ubuntu0.16.04.5
  dnsmasq-base                    2.75-1ubuntu0.16.04.5
  dnsmasq-utils                   2.75-1ubuntu0.16.04.5

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

References:
  https://usn.ubuntu.com/usn/usn-3716-1
  https://launchpad.net/bugs/1721129

Package Information:
  https://launchpad.net/ubuntu/+source/dnsmasq/2.75-1ubuntu0.16.04.5

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