CVE-2022-37428 — Incomplete Cleanup in Recursor

CWE-459 — Incomplete Cleanup5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 83.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Powerdns RecursorFedoraproject Fedora
Timeline
PublishedAug 23
Latest updateAug 24

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 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDpowerdns/recursor4.5.0 — 4.5.10+2

Also affects: Fedora 36

🔴Vulnerability Details

3
GHSA
GHSA-w3r7-9rrf-88pm: PowerDNS Recursor up to and including 4↗2022-08-24
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CVEList
CVE-2022-37428: PowerDNS Recursor up to and including 4↗2022-08-23
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OSV
CVE-2022-37428: PowerDNS Recursor up to and including 4↗2022-08-23
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📋Vendor Advisories

1
Debian
CVE-2022-37428: pdns-recursor - PowerDNS Recursor up to and including 4.5.9, 4.6.2 and 4.7.1, when protobuf logg...↗2022
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CVE-2022-37428 — Incomplete Cleanup in Recursor | cvebase