Incorrect validation of root DNSSEC public keys in github.com/peterzen/goresolver

published 2022-09-29 4 y ago modified 2026-06-17 4 mo ago also GHSA-jr65-gpj5-cw74 , GO-2022-1026 , EUVD-2022-7669

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

DNSSEC validation is not performed correctly. An attacker can cause this package to report successful validation for invalid, attacker-controlled records. Root DNSSEC public keys are not validated, permitting an attacker to present a self-signed root key and delegation chain.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-14)

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub	3.1	7.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected packages

ecosystem	package	affected	fixed in
go	github.com/peterzen/goresolver	<=1.0.2 all versions	no fix listed

Affected products

github.com/peterzen/goresolver github.com/peterzen/goresolver

Classification

Weakness

CWE-345 Insufficient Verification of Data Authenticity
CWE-347 Improper Verification of Cryptographic Signature

References

pkg.go.dev /vuln/GO-2022-1026
web, vendor-advisory
github.com /peterzen/goresolver/issues/5#issuecomment-1150214257
web, issue-tracking, third-party-advisory, report
nvd.nist.gov /vuln/detail/CVE-2022-3347
advisory
github.com /peterzen/goresolver
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary