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PowerDNS Authoritative Server DoS Vulnerability (2021-01)

Information

Severity

Severity

High

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

1 year ago

Modified

Modified

1 year ago

Summary

PowerDNS Authoritative Server is prone to a denial of service (DoS) vulnerability.

Insight

Insight

PowerDNS Authoritative Server will crash with an uncaught out of bounds exception if it receives a query with QTYPE 65535.

Affected Software

Affected Software

PowerDNS Authoritative version 4.5.0.

Detection Method

Detection Method

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

Solution

Solution

Update to version 4.5.1 or later.

Common Vulnerabilities and Exposures (CVE)