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CVE-2017-11104

nvd nist
Published: Jul 8, 2017Modified: May 13, 2026

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5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.

Affected (6)

Knot Dns
1 product
Knot Dns
Debian
1 product
Debian Linux
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Knot Dns
Knot Dns
Up to 2.4.4
Knot Dns
Version 2.5.0
Knot Dns
Version 2.5.1
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 8.0
Debian Linux
Version 9.0

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (18)

Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Broken Link
Source: cve@mitre.org
ExploitMitigationPatchThird Party Advisory
Source: cve@mitre.org
Issue TrackingThird Party Advisory
Source: cve@mitre.org
Broken LinkMailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitMitigationPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken LinkMailing ListPatchThird Party Advisory

Timeline

No history available yet.