CVE-2022-37428
First published: Tue Aug 23 2022(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Reference Links
- https://docs.powerdns.com/recursor/lua-config/protobuf.html
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/
Frequently Asked Questions
What is the vulnerability ID for this PowerDNS vulnerability?
The vulnerability ID for this PowerDNS vulnerability is CVE-2022-37428.
What is the severity of CVE-2022-37428?
The severity of CVE-2022-37428 is medium.
Which versions of PowerDNS Recursor are affected by CVE-2022-37428?
PowerDNS Recursor up to and including versions 4.5.9, 4.6.2, and 4.7.1 are affected by CVE-2022-37428.
How does protobuf logging enable the vulnerability in PowerDNS Recursor?
Protobuf logging enables the vulnerability in PowerDNS Recursor by causing improper cleanup upon a thrown exception.
How can I fix CVE-2022-37428 in PowerDNS Recursor?
To fix CVE-2022-37428 in PowerDNS Recursor, update to version 4.5.10, 4.6.3, or 4.7.2, depending on your current version.
- collector/nvd-index
- agent/references
- agent/severity
- agent/weakness
- agent/author
- agent/type
- agent/description
- agent/event
- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/powerdns
- canonical/powerdns recursor
- version/powerdns recursor/4.5.0
- version/powerdns recursor/4.6.0
- version/powerdns recursor/4.7.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/36