USN-3346-1: bind9 vulnerabilities

Releases

• Ubuntu 17.04
• Ubuntu 16.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• 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

• bind9 - 1:9.10.3.dfsg.P4-8ubuntu1.7

Ubuntu 14.04

• 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

• CVE-2017-3142
• CVE-2017-3143

Related notices

• USN-3346-3: bind9