VDB
CVE-2017-11104
CVE-2017-11104
PUBLISHED
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% · 84.4th percentile
Risk Scores
EPSS Score
2.68%
84.4th 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 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Nov 7, 2022 EPSS Score
- Jan 8, 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