PT-2022-23992 · Powerdns+1 · Powerdns Recursor+1

Published 2022-08-23 · Updated 2024-06-15 · CVE-2022-37428

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions PowerDNS Recursor versions 4.5.9 and earlier, 4.6.2, 4.7.1

Description The issue is related to Improper Cleanup upon a Thrown Exception when protobuf logging is enabled. This can lead to a denial of service, causing the daemon to crash via a DNS query that results in an answer with specific properties.

Recommendations For PowerDNS Recursor versions 4.5.9 and earlier, consider disabling protobuf logging as a temporary workaround until a patch is available. For PowerDNS Recursor version 4.6.2, consider disabling protobuf logging as a temporary workaround until a patch is available. For PowerDNS Recursor version 4.7.1, consider disabling protobuf logging as a temporary workaround until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-459

Related Identifiers

CVE-2022-37428

OPENSUSE-SU-2022:10171-1

OPENSUSE-SU-2024:12281-1

Affected Products

Debian

Powerdns Recursor

References · 18

• https://osv.dev/vulnerability/DEBIAN-CVE-2022-37428 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-37428 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12281-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-37428 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-37428 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2022-37428 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:10171-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXSREJKTT6RNE3GXQENQ4R4HS37UNSPX · Vendor Advisory
• https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-02.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-37428 · Security Note
• https://docs.powerdns.com/recursor/lua-config/protobuf.html · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-37428 · Vendor Advisory
• https://suse.com/security/cve/CVE-2022-37428 · Note
• https://t.me/cibsecurity/48615 · Telegram Post
• https://downloads.powerdns.com/patches/2022-02 · Note