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CVE-2017-11104

CVE-2017-11104

EPSS 2.7%
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 products
n/a · n/a

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References
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.htmlhttps://bugs.debian.org/865678https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.htmlhttp://www.debian.org/security/2017/dsa-3910http://www.securityfocus.com/bid/99598http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf