ISC BIND 9.11.0 / 9.11.x < 9.11.13 / 9.11.x < 9.11.13-S1 / 9.12.x < 9.12.5-P2 / 9.14.x < 9.14.8 / 9.15 / 9.15.x < 9.15.6 Vulnerability

high Nessus Plugin ID 131735
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Synopsis

The remote name server is affected by a vulnerability.

Description

A denial of service (DoS) vulnerability exists in ISC BIND 9 due to TCP Client issues. An unauthenticated, remote attacker can exploit this issue, via DNS Request, to cause the device to stop responding.

Solution

Upgrade to the appropriate version of BIND.

See Also

https://kb.isc.org/docs/cve-2019-6477

https://nvd.nist.gov/vuln/detail/CVE-2019-6477

Plugin Details

Severity: High

ID: 131735

File Name: bind9_9156.nasl

Version: 1.4

Type: remote

Family: DNS

Published: 12/6/2019

Updated: 5/22/2020

Dependencies: bind_version.nasl

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2019-6477

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: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: 11/20/2019

Vulnerability Publication Date: 11/20/2019

Reference Information

CVE: CVE-2019-6477

IAVA: 2019-A-0434-S