AIKIDO-2026-564503
hickory-net is vulnerable to Improper Verification of Cryptographic Signature
89
High Risk
This Affects:
hickory-netTL;DR
DNSSEC verification identifies wraparound NSEC records, whose next domain name is the zone apex, by comparing the next domain name to the name of an SOA record in the response. That check is spoofable because a crafted, unvalidated SOA record can be included in the response and is accepted. As a result, a genuine NSEC record, its RRSIG, and a crafted SOA can forge nonexistence of any RRset. The fix identifies wraparound NSEC records by comparing owner name to next domain name.
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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