Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Recursor | 4.8.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2023/01/20/1Mailing ListRelease NotesThird Party Advisory
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1Release NotesVendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/Vendor Advisory
- http://www.openwall.com/lists/oss-security/2023/01/20/1Mailing ListRelease NotesThird Party Advisory
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1Release NotesVendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/Vendor Advisory
FAQ
What is CVE-2023-22617?
CVE-2023-22617 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 fa...
How severe is CVE-2023-22617?
CVE-2023-22617 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-22617?
Check the references section above for vendor advisories and patch information. Affected products include: Powerdns Recursor.