CVE-2022-27227

moderate-risk

Published 2022-03-25

In PowerDNS Authoritative Server before 4.4.3, 4.5.x before 4.5.4, and 4.6.x before 4.6.1 and PowerDNS Recursor before 4.4.8, 4.5.x before 4.5.8, and 4.6.x before 4.6.1, insufficient validation of an IXFR end condition causes incomplete zone transfers to be handled as successful transfers.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (5)

Authoritative Server

Recursor

Fedora

Affected Vendors

Powerdns Fedoraproject

References (18)

Mailing List http://www.openwall.com/lists/oss-security/2022/03/25/1

Vendor Advisory https://doc.powerdns.com/authoritative/security-advisories/index.html

Vendor Advisory https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-202...

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/index.html

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01...

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Mailing List http://www.openwall.com/lists/oss-security/2022/03/25/1

Vendor Advisory https://doc.powerdns.com/authoritative/security-advisories/index.html

Vendor Advisory https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-202...

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/index.html

Vendor Advisory https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2022-01...

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

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moderate-risk

Severity 26/34 · High

Exploitability 0/34 · Minimal

Exposure 12/34 · Low