Detections
Analytics
Knot DNS 2.4.x < 2.4.4 / 2.5.x < 2.5.2 TSIG Authentication Bypass Vulnerability (CVE-2017-11104)
medium Nessus Plugin ID 106196
Language:
Synopsis
The remote DNS server is affected by an authentication bypass vulnerability.Description
The Knot DNS server running on the remote host is version 2.4.x prior to 2.4.5 or 2.5.x prior to 2.5.2. It is, therefore, affected by a TSIG authentication bypass vulnerability.Solution
Upgrade to Knot DNS version 2.4.5 / 2.5.2 or later.See Also
https://gitlab.labs.nic.cz/knot/knot-dns/raw/v2.4.5/NEWS
https://gitlab.labs.nic.cz/knot/knot-dns/raw/v2.5.2/NEWS
Plugin Details
Severity: Medium
ID: 106196
File Name: knot_dns_2_5_2.nasl
Version: 1.5
Type: remote
Family: DNS
Published: 1/19/2018
Updated: 11/3/2025
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2017-11104
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: x-cpe:/a:cz.nic:knot_dns
Required KB Items: Settings/ParanoidReport, knot_dns/proto
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 6/23/2017
Vulnerability Publication Date: 6/23/2017
Reference Information
CVE: CVE-2017-11104
BID: 99598