CVE-2022-37428

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory fedoraproject.org Vendor Advisory powerdns.com Vendor Advisory powerdns.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.powerdns.com/recursor/lua-config/protobuf.html vendor advisory
https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-37428?
CVE-2022-37428 has been scored as a medium severity vulnerability.
How to fix CVE-2022-37428?
To fix CVE-2022-37428, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-37428 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-37428 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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