Free and open-source vulnerability scanner

Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.

Install Now

Available for macOS, Windows, and Linux

App screenshot

PowerDNS Authoritative Server Zone Record DoS Vulnerability

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

4 years ago

Modified

Modified

4 years ago

Summary

An issue has been found in PowerDNS Authoritative Server allowing an authorized user to cause a memory leak by inserting a specially crafted record in a zone under their control, then sending a DNS query for that record. The issue is due to the fact that some memory is allocated before the parsing and is not always properly released if the record is malformed.

Affected Software

Affected Software

PowerDNS Authoritative Server versions 3.3.0 to 4.1.4.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to version 4.0.6, 4.1.5 or later.

Common Vulnerabilities and Exposures (CVE)