ESB-2018.2808.2 - UPDATE [Ubuntu] bind9: Denial of service - Remote/unauthenticated 2018-10-02

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                              ESB-2018.2808.2
                            Bind vulnerability
                              2 October 2018

===========================================================================

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

Product:           bind9
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-5740  

Reference:         ESB-2018.2466
                   ESB-2018.2293

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3769-1

Revision History:  October    2 2018: This update adds fixes from USN-3769-1 
				      for Ubuntu 12.04 ESM
                   September 21 2018: Initial Release

- --------------------------BEGIN INCLUDED TEXT--------------------

USN-3769-2: Bind vulnerability

1 October 2018

bind9 vulnerability

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

    Ubuntu 12.04 ESM

Summary

Bind could be made to crash if it received specially crafted network traffic.
Software Description

    bind9 - Internet Domain Name Server

Details

USN-3769-1 fixed a vulnerability in Bind. This update provides the 
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue to
cause Bind to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 12.04 ESM
    bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.26

To update your system, please follow these instructions: 
https://wiki.ubuntu.com/Security/Upgrades

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

References

    USN-3769-1
    CVE-2018-5740

- ---
Ubuntu Security Notice USN-3769-1
September 20, 2018

bind9 vulnerability

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

- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Bind could be made to crash if it received specially crafted network
traffic.

Software Description:
- - bind9: Internet Domain Name Server

Details:

It was discovered that Bind incorrectly handled the deny-answer-aliases
feature. If this feature is enabled, a remote attacker could use this issue
to cause Bind to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 18.04 LTS:
  bind9                           1:9.11.3+dfsg-1ubuntu1.2

Ubuntu 16.04 LTS:
  bind9                           1:9.10.3.dfsg.P4-8ubuntu1.11

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.18

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

References:
  https://usn.ubuntu.com/usn/usn-3769-1
  CVE-2018-5740

Package Information:
  https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.2
  https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.11
  https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.18

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