QID 375501

Date Published: 2021-04-29

QID 375501: PowerDNS Authoritative Server Denial of Service Vulnerability

An issue has been found in PowerDNS Authoritative Server allowing an authorized user to cause the server to exit by inserting a crafted record in a MASTER type zone under their control.

Affected Versions:
PowerDNS Authoritative Server before versions 4.1.10 and 4.0.8

QID Detection Logic (Authenticated):
This QID checks for the vulnerable version of PowerDNS Authoritative Server and checks version using remote package command.

The issue is due to the fact that the Authoritative Server will exit when it runs into a parsing error while looking up the NS/A/AAAA records it is about to use for an outgoing notify.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution
    The vendor has released patches. Please visit PowerDNS
    Vendor References

    CVEs related to QID 375501

    CVE-2019-10162 |
    Software Advisories
    Advisory ID Software Component Link
    CVE-2019-10162 URL Logo doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-04.html
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