Ubuntu 12.04 LTS / 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : bind9 vulnerabilities (USN-3259-1)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

It was discovered that the resolver in Bind made incorrect assumptions
about ordering when processing responses containing a CNAME or DNAME.
An attacker could use this cause a denial of service. (CVE-2017-3137)

Oleg Gorokhov discovered that in some situations, Bind did not
properly handle DNS64 queries. An attacker could use this to cause a
denial of service. (CVE-2017-3136)

Mike Lalumiere discovered that in some situations, Bind did not
properly handle invalid operations requested via its control channel.
An attacker with access to the control channel could cause a denial of
service. (CVE-2017-3138).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected bind9 package.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 99435 ()

Bugtraq ID:

CVE ID: CVE-2017-3136
CVE-2017-3137
CVE-2017-3138

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