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

Medium Nessus Plugin ID 131735


The remote name server is affected by a vulnerability.


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.


Upgrade to the appropriate version of BIND.

See Also

Plugin Details

Severity: Medium

ID: 131735

File Name: bind9_9156.nasl

Version: 1.4

Type: remote

Family: DNS

Published: 2019/12/06

Updated: 2020/05/22

Dependencies: 10028

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2019-6477

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: 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: 2019/11/20

Vulnerability Publication Date: 2019/11/20

Reference Information

CVE: CVE-2019-6477

IAVA: 2019-A-0434-S