What is CVE-2023-22617?

CVE-2023-22617 is a high-severity vulnerability in Powerdns Recursor, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2023-01-21.

How severe is CVE-2023-22617?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Powerdns Recursor

CVE-2023-22617

A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.

EPSS: 0.073 (93.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Powerdns Recursor — versions 4.8.0
N/a — versions n/a

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory, Release Notes)
cve@mitre.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-22617?: CVE-2023-22617 is a high-severity vulnerability in Powerdns Recursor, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2023-01-21.
How severe is CVE-2023-22617?: High severity. CVSS v3 base score is 7.5 out of 10.