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=========================================================================Ubuntu Security Notice USN-3346-1
June 29, 2017

bind9 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Bind could be made to serve incorrect information or expose sensitive
information over the network.

Software Description:
- bind9: Internet Domain Name Server

Details:

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone update requests. An attacker could use this
to improperly perform zone updates. (CVE-2017-3143)

Clément Berthaux discovered that Bind did not correctly check TSIG
authentication for zone transfer requests. An attacker could use this
to improperly transfer entire zones. (CVE-2017-3142)

Update instructions:

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

Ubuntu 17.04:
  bind9                           1:9.10.3.dfsg.P4-10.1ubuntu5.1

Ubuntu 16.10:
  bind9                           1:9.10.3.dfsg.P4-10.1ubuntu1.7

Ubuntu 16.04 LTS:
  bind9                           1:9.10.3.dfsg.P4-8ubuntu1.7

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.15

After a standard system update you need to restart Bind to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-3346-1
  CVE-2017-3142, CVE-2017-3143

Package Information:
  https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu5.1
  https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.7
  https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.7
  https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.15

Ubuntu 3346-1: bind9 vulnerabilities

June 29, 2017
Bind could be made to serve incorrect information or expose sensitive information over the network.

Summary

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 17.04: bind9 1:9.10.3.dfsg.P4-10.1ubuntu5.1 Ubuntu 16.10: bind9 1:9.10.3.dfsg.P4-10.1ubuntu1.7 Ubuntu 16.04 LTS: bind9 1:9.10.3.dfsg.P4-8ubuntu1.7 Ubuntu 14.04 LTS: bind9 1:9.9.5.dfsg-3ubuntu0.15 After a standard system update you need to restart Bind to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-3346-1

CVE-2017-3142, CVE-2017-3143

Severity
June 29, 2017

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu5.1 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-10.1ubuntu1.7 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.7 https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.15

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