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Knot DNS Server AXFR Response Denial of Service 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
7 years ago
Modified
Modified
5 years ago
Summary
Knot DNS Server is prone to a denial of service vulnerability.
Insight
Insight
Primary DNS servers may cause a denial of service (secondary DNS server crash) via a large AXFR response, and possibly allows IXFR servers to cause a denial of service (IXFR client crash) via a large IXFR response and allows remote authenticated users to cause a denial of service (primary DNS server crash) via a large UPDATE message
Affected Software
Affected Software
Version prior to 2.3.0
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to Knot Dns 2.3.0. for updates.