VULNERABILITY INTELLIGENCE
CVE-2017-11104
CVSS score5.9 MEDIUM
EPSS probability2.68%
CISA KEVNot currently listed
Published2017-07-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
Weakness classification
- CWE-20: Improper Input Validation
Primary references
- cve@mitre.org — Broken Link
- cve@mitre.org — Broken Link
- cve@mitre.org — Broken Link
- cve@mitre.org — Broken Link
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Broken Link
- cve@mitre.org — Exploit, Mitigation, Patch, Third Party Advisory
- cve@mitre.org — Issue Tracking, Third Party Advisory
- cve@mitre.org — Broken Link, Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link