PT-2026-95426 · Unknown · Hickory-Resolver
CVSS v4.0
8.7
High
| Vector | AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
hickory-resolver versions prior to 0.26.2
Description
The software fails to propagate bogus DNSSEC proof states through the
Resolver::lookup() and Resolver::lookup ip() APIs, which allows invalid records to be returned as successful results. This issue enables attackers who control the answering zone or are positioned on the network path to have forged DNS records accepted as validated, effectively bypassing DNSSEC authentication checks.Recommendations
Update to version 0.26.2 or later.
Exploit
Fix
Improper Verification of Cryptographic Signature
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Weakness Enumeration
Related Identifiers
Affected Products
Hickory-Resolver