Vulnerability DatabaseCVE-2022-37428
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CVE-2022-37428
August 23, 2022
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.
Related Resources (5)
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/
https://docs.powerdns.com/recursor/lua-config/protobuf.html
https://security-tracker.debian.org/tracker/CVE-2022-37428
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Complexity
LOW
Attack Vector
NETWORK
Availability
HIGH
Confidentiality
NONE
Integrity
NONE
Privileges Required
LOW
Scope
UNCHANGED
User Interaction
NONE
EPSS
Base Score:
0.05