ISC BIND 9.x.x < 9.9.13-P1 / 9.10.x < 9.10.8-P1 / 9.11.x < 9.11.4-P1 / 9.12.x < 9.12.2-P1 deny-answer-aliases DoS Vulnerability

high Nessus Plugin ID 111790

Language:

New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote name server is affected by a denial of service vulnerability.

Description

According to its self-reported version number, the instance of ISC BIND running on the remote name server is 9.x.x prior to 9.9.13-P1, 9.10.x prior to 9.10.8-P1, 9.11.x prior to 9.11.4-P1, or 9.12.x prior to 9.12.2-P1. It is, therefore, affected by a denial of service vulnerability in the deny-answer-aliases feature.

Solution

Upgrade to ISC BIND version 9.9.13-P1 / 9.10.8-P1 / 9.11.4-P1 / 9.11.3-S3 / 9.12.2-P1 or later. Note that BIND 9 version 9.11.3-S3 is available exclusively for eligible ISC Support customers.

See Also

https://kb.isc.org/article/AA-01639

Plugin Details

Severity: High

ID: 111790

File Name: bind9_9122_p1.nasl

Version: 1.5

Type: remote

Family: DNS

Published: 8/16/2018

Updated: 11/4/2019

Dependencies: bind_version.nasl

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2018-5740

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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:N/A:H

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: 8/8/2017

Vulnerability Publication Date: 8/8/2017

Reference Information

CVE: CVE-2018-5740

BID: 105055