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Dnsmasq DNSSEC 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:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
6 years ago
Modified
Modified
5 years ago
Summary
Dnsmasq is prone to an improper DNSSEC validation vulnerability.
Insight
Insight
Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist.
Affected Software
Affected Software
Dnsmasq up to and including version 2.78
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.79 or later. Please see the references for more information.