PT-2021-22793
CVE-2021-40083
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Published
2021-05-18
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Updated
2021-08-30
Description by
CVSS 3.1
7.5
HighMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Knot Resolver versions prior to 5.3.2
Description
The issue is related to an assertion failure that can be triggered by a remote attacker in a specific edge case, involving NSEC3 with too many iterations used for a positive wildcard proof.
Recommendations
For versions prior to 5.3.2, update to version 5.3.2 or later to resolve the issue.
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