QID 375502

Date Published: 2021-04-29

QID 375502: PowerDNS Authoritative Server Denial of Service Vulnerability

An issue has been found in PowerDNS Authoritative Server allowing a remote, authorized master server to cause a high CPU load or even prevent any further updates to any slave zone by sending a large number of NOTIFY messages. Note that only servers configured as slaves are affected by this issue.

Affected Versions:
PowerDNS Authoritative Server before versions 4.1.9 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.

Note that only servers configured as slaves are affected by this issue leading it to Denial of Service

CVSS V3 rated as Medium - 4.3 severity.

CVSS V2 rated as Medium - 4 severity.

Solution

The vendor has released patches. Please visit PowerDNS

Vendor References

PowerDNS Authoritative Server - doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html

CVEs related to QID 375502

CVE-2019-10163 |

Software Advisories

Advisory ID	Software	Component	Link
CVE-2019-10163			doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2019-05.html

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].