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CVE

CWE

Training

CVE-2017-11104

Published: Jul 8, 2017

Modified: Aug 5, 2024

PUBLISHED

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

vendor-advisory

x_refsource_DEBIAN

vdb-entry

x_refsource_BID

https://bugs.debian.org/865678

x_refsource_MISC

http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf

x_refsource_MISC

https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html

x_refsource_MISC

openSUSE-SU-2020:1086

vendor-advisory

x_refsource_SUSE

openSUSE-SU-2020:1085

vendor-advisory

x_refsource_SUSE

openSUSE-SU-2020:1112

vendor-advisory

x_refsource_SUSE

openSUSE-SU-2020:1232

vendor-advisory

x_refsource_SUSE

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