CVEvulnerability
CVE-2023-22617
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-01-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-674
Description
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.
Affected configurations
• powerdns recursor 4.8.0
Related
Weakness · CWE (1)
- CWE-674 Uncontrolled Recursion weakness
References
- http://www.openwall.com/lists/oss-security/2023/01/20/1 Mailing List, Release Notes, Third Party Advisory
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1 Release Notes, Vendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/ Vendor Advisory
- http://www.openwall.com/lists/oss-security/2023/01/20/1 Mailing List, Release Notes, Third Party Advisory
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1 Release Notes, Vendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/ Vendor Advisory