Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 49.3%
CVSS Severity
CVSS v3 Score 7.5
References
- http://www.openwall.com/lists/oss-security/2023/01/20/1
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
- https://docs.powerdns.com/recursor/security-advisories/
- http://www.openwall.com/lists/oss-security/2023/01/20/1
- https://docs.powerdns.com/recursor/changelog/4.8.html#change-4.8.1
- https://docs.powerdns.com/recursor/security-advisories/