ESB-2019.0561.2 - UPDATE [Ubuntu] bind9: Multiple vulnerabilities 2019-02-26

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             AUSCERT External Security Bulletin Redistribution

                              ESB-2019.0561.2
                           Bind vulnerabilities
                             26 February 2019

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

Product:           bind9
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-6465 CVE-2018-5745 CVE-2018-5744

Reference:         ESB-2019.0549

Original Bulletin: 
   http://www.ubuntu.com/usn/usn-3893-1
   http://www.ubuntu.com/usn/usn-3893-2

Comment: This bulletin contains two (2) Ubuntu security advisories.

Revision History:  February 26 2019: Added USN-3893-2
                   February 25 2019: Initial Release

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==========================================================================
Ubuntu Security Notice USN-3893-1
February 22, 2019

bind9 vulnerabilities
==========================================================================

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

- - Ubuntu 18.10
- - Ubuntu 18.04 LTS
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Bind.

Software Description:
- - bind9: Internet Domain Name Server

Details:

Toshifumi Sakaguchi discovered that Bind incorrectly handled memory. A
remote attacker could possibly use this issue to cause Bind to consume
resources, leading to a denial of service. This issue only affected Ubuntu
18.04 LTS and Ubuntu 18.10. (CVE-2018-5744)

It was discovered that Bind incorrectly handled certain trust anchors when
used with the "managed-keys" feature. A remote attacker could possibly use
this issue to cause Bind to crash, resulting in a denial of service.
(CVE-2018-5745)

It was discovered that Bind incorrectly handled certain controls for zone
transfers, contrary to expectations. (CVE-2019-6465)

Update instructions:

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

Ubuntu 18.10:
  bind9                           1:9.11.4+dfsg-3ubuntu5.1

Ubuntu 18.04 LTS:
  bind9                           1:9.11.3+dfsg-1ubuntu1.5

Ubuntu 16.04 LTS:
  bind9                           1:9.10.3.dfsg.P4-8ubuntu1.12

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.19

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

References:
  https://usn.ubuntu.com/usn/usn-3893-1
  CVE-2018-5744, CVE-2018-5745, CVE-2019-6465

Package Information:
  https://launchpad.net/ubuntu/+source/bind9/1:9.11.4+dfsg-3ubuntu5.1
  https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.5
  https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.12
  https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.19

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

==========================================================================
USN-3893-2: Bind vulnerabilities
25 February 2019

bind9 vulnerabilities
==========================================================================

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

  o Ubuntu 12.04 ESM

Summary

Several security issues were fixed in Bind.

Software Description

  o bind9 - Internet Domain Name Server

Details

USN-3893-1 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 certain trust anchors when used
with the "managed-keys" feature. A remote attacker could possibly use this
issue to cause Bind to crash, resulting in a denial of service. (CVE-2018-5745)

It was discovered that Bind incorrectly handled certain controls for zone
transfers, contrary to expectations. (CVE-2019-6465)

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.P1-4ubuntu0.27

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

  o USN-3893-1
  o CVE-2018-5745
  o CVE-2019-6465

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