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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
2 years ago
Modified
Modified
2 years 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.