CVE-2023-22617
First published: Sat 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PowerDNS Recursor | =4.8.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-22617?
The severity of CVE-2023-22617 is high with a severity value of 7.5.
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.
How can I fix CVE-2023-22617?
To fix CVE-2023-22617, update PowerDNS Recursor to version 4.8.1.
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.
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.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/powerdns
- canonical/powerdns recursor
- version/powerdns recursor/4.8.0