CVE-2017-11104
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2017-11104
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-11104.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-11104
- Downstream
- Related
- Published
- 2017-07-08T10:29:00Z
- Modified
- 2025-08-09T19:01:27Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- http://www.debian.org/security/2017/dsa-3910
- http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf
- https://bugs.debian.org/865678
- https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html
- http://www.securityfocus.com/bid/99598