CVE-2022-37428
Last modified
CVE-2022-37428 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.. EPSS estimates a 1.19% chance of exploitation in the next 30 days.
Description
PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logging is enabled, has Improper Cleanup upon a Thrown Exception, leading to a denial of service (daemon crash) via a DNS query that leads to an answer with specific properties.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Powerdns | Recursor | >= 4.5.0, < 4.5.10 |
| Powerdns | Recursor | >= 4.6.0, < 4.6.3 |
| Powerdns | Recursor | >= 4.7.0, < 4.7.2 |
| Fedoraproject | Fedora | 36 |
References
- https://docs.powerdns.com/recursor/lua-config/protobuf.htmlVendor Advisory
- https://docs.powerdns.com/recursor/lua-config/protobuf.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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