CVE-2022-3347 — DNSSEC validation is not performed correctly

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
github.com	peterzen/goresolver / github.com/peterzen/goresolver	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-12-27T21:17:52.067Z
• Last modified: 2025-04-14T17:08:49.781Z

09References

• github.com — https://github.com/peterzen/goresolver/issues/5#issuecomment-1150214257
• pkg.go.dev — https://pkg.go.dev/vuln/GO-2022-1026