VDB
CVE-2017-11104
CVE-2017-11104
PUBLISHED
CVSS 5.900000095367432 MEDIUM
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.
EPSS 2.68% · 85.7th percentile
Risk Scores
CVSS 3.1
5.900000095367432
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
2.68%
85.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | knot | 0, 2.0.0-1, 2.0.1-4 |
Timeline
- Jul 8, 2017 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Nov 9, 2022 EPSS Score
- Jan 11, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2017-11104 third-party-advisory
- https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html third-party-advisory
- http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf third-party-advisory
- https://bugs.debian.org/865678 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2017-11104 third-party-advisory