AIKIDO-2026-68391
hickory-net is vulnerable to Improper Verification of Cryptographic Signature
53
Medium Risk
This Affects:
hickory-netTL;DR
DNSSEC validation of positive responses only requires that some valid RRset be present in the answer section, without checking that the RRset actually answers the query. A response that carries a validly signed but unrelated RRset is accepted as a positive answer. When no records match the query, the response should instead be validated as a no-data response. The fix verifies that the validated RRset is responsive to the query.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you have DNSSEC validation enabled
Background info
hickory-net is vulnerable to Improper Verification of Cryptographic Signature in versions 0.26.0 - 0.26.1.
How to fix this
Upgrade the hickory-net library to the patch version.
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