VulnerabilityModified
CVE-2022-37428
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.
MEDIUM 6.5EPSS 1.41%
Does this matter?
Lower severity and a low EPSS score (1.41%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.41% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-459
- Affected
- powerdns/recursor · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://docs.powerdns.com/recursor/lua-config/protobuf.htmlVendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.htmlVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/
- https://docs.powerdns.com/recursor/lua-config/protobuf.htmlVendor Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.htmlVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.