Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : bind9 vulnerabilities (USN-3346-1)

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 :

Clement 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)

Clement 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).

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 :

Medium / CVSS Base Score : 6.4
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N)
CVSS Temporal Score : 5.3
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 101157 ()

Bugtraq ID:

CVE ID: CVE-2017-3142
CVE-2017-3143

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