ISC BIND 9.14.x < 9.14.7 / 9.15.x < 9.15.5 Multiple Vulnerabilities

high Nessus Plugin ID 130212

Synopsis

The remote name server is affected by a vulnerability.

Description

ISC BIND versions 9.14.6 / 9.15.4 and earlier are affected by multiple vulnerabilities.
- A flaw in mirror zone validity checking. It can allow zone data to be spoofed.
(CVE-2019-6475)

- A defect in code added to support QNAME minimization can cause named to exit with an assertion failure if a forwarder returns a referral rather than resolving the query.
(CVE-2019-6476)

Solution

Upgrade to ISC BIND version 9.14.7 / 9.15.5 or later.

See Also

https://kb.isc.org/docs/cve-2019-6475

https://kb.isc.org/docs/cve-2019-6476

https://kb.isc.org/docs/aa-00913

https://kb.isc.org/docs/aa-00861

Plugin Details

Severity: High

ID: 130212

File Name: bind9_9155.nasl

Version: 1.3

Type: remote

Family: DNS

Published: 10/25/2019

Updated: 6/3/2021

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2019-6475

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:isc:bind

Required KB Items: bind/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2019

Vulnerability Publication Date: 10/16/2019

Reference Information

CVE: CVE-2019-6475, CVE-2019-6476

IAVA: 2019-A-0397-S