CVE-2022-37428

NameCVE-2022-37428
DescriptionPowerDNS 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
pdns-recursor (PTS)jessie, jessie (lts)3.6.2-2+deb8u4vulnerable
buster (security), buster, buster (lts)4.1.11-1+deb10u2vulnerable
bullseye4.4.2-3vulnerable
bookworm (security), bookworm4.8.8-1fixed
sid, trixie5.1.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
pdns-recursorsourcejessie(unfixed)end-of-life
pdns-recursorsourcebullseye(unfixed)end-of-life
pdns-recursorsource(unstable)4.7.2-1

Notes

[bullseye] - pdns-recursor <end-of-life> (No longer supported with security updates in Bullseye)
[buster] - pdns-recursor <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2022/08/23/1
https://downloads.powerdns.com/patches/2022-02/
https://github.com/PowerDNS/pdns/commit/21f3d92144bc6a65483a363f6be7237d714c1936 (rec-4.5.10)

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