ISC BIND Assertion Failure Vulnerability

medium Nessus Plugin ID 122506

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Synopsis

The remote name server is affected by an assertion failure vulnerability.

Description

According to its self-reported version, the instance of ISC BIND 9 running on the remote name server is less than 9.11.5-P4 / 9.11.5-S5 / 9.12.3-P4 / 9.13.7. It is, therefore, affected by an assertion failure vulnerability.

- An assertion failure exists in the managed-keys component due to an error when, during key rollover, a trust anchor's keys are replaced with keys which use an unsupported algorithm. An unauthenticated, remote attacker to cause named to deliberately exit after encountering an assertion failure.
(CVE-2018-5745)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to ISC BIND version 9.11.5-P4 / 9.12.3-P4 / 9.13.7 or later.

Plugin Details

Severity: Medium

ID: 122506

File Name: bind9_CVE-2018-5745.nasl

Version: 1.4

Type: remote

Family: DNS

Published: 3/1/2019

Updated: 11/4/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

Temporal Score: 2.6

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2018-5745

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

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

Temporal Vector: CVSS:3.0/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: 2/21/2018

Vulnerability Publication Date: 2/21/2018

Reference Information

CVE: CVE-2018-5745

BID: 107142

Detections

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