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CVE-2022-37428

Date: 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.

Language: C++

Severity Score

Related Resources (7)

https://docs.powerdns.com/recursor/lua-config/protobuf.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX/
https://nvd.nist.gov/vuln/detail/CVE-2022-37428
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://security-tracker.debian.org/tracker/CVE-2022-37428
https://www.mend.io/vulnerability-database/CVE-2022-37428

Severity Score

Weakness Type (CWE)

Incomplete Cleanup

CWE-459

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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