USN-2693-1: Bind vulnerabilities

Releases

• Ubuntu 15.04
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• bind9 - Internet Domain Name Server

Details

Jonathan Foote discovered that Bind incorrectly handled certain TKEY
queries. A remote attacker could use this issue with a specially crafted
packet to cause Bind to crash, resulting in a denial of service.
(CVE-2015-5477)

Pories Ediansyah discovered that Bind incorrectly handled certain
configurations involving DNS64. A remote attacker could use this issue with
a specially crafted query to cause Bind to crash, resulting in a denial of
service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-5689)

Update instructions

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

Ubuntu 15.04

• bind9 - 1:9.9.5.dfsg-9ubuntu0.2

Ubuntu 14.04

• bind9 - 1:9.9.5.dfsg-3ubuntu0.4

Ubuntu 12.04

• bind9 - 1:9.8.1.dfsg.P1-4ubuntu0.12

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

References

• CVE-2012-5689
• CVE-2015-5477