CVE-2023-22617: High severity powerdns vulnerability
Published Jan 21, 2023
·Updated
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 Software
1 affected component
powerdns recursor=4.8.0
Event History
Jan 21, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-22617?
The severity of CVE-2023-22617 is high with a severity value of 7.5.
2
What is the description of CVE-2023-22617?
CVE-2023-22617 is a vulnerability in PowerDNS Recursor 4.8.0 that allows a remote attacker to cause infinite recursion via a DNS query.
3
How can I fix CVE-2023-22617?
To fix CVE-2023-22617, update PowerDNS Recursor to version 4.8.1.
4
What is QName minimization in PowerDNS Recursor?
QName minimization is a feature used in PowerDNS Recursor that reduces the amount of information sent in DNS queries.
5
Where can I find more information about CVE-2023-22617?
You can find more information about CVE-2023-22617 in the references section of the vulnerability report.