Description
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
References (2)
Core 2
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968
Vendor Advisory x_refsource_misc
https://knot-resolver.readthedocs.io/en/stable/modules-policy.html#forwarding
Scores
CVSS v3
5.3
EPSS
0.0068
EPSS Percentile
47.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-290
Status
published
Products (1)
nic/knot_resolver
< 5.5.1
Published
Jun 20, 2022
Tracked Since
Feb 18, 2026