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Dnsmasq < 2.26 DoS Vulnerability
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
Dnsmasq is prone to a Denial of Service (DoS) vulnerability.
Insight
Insight
The flaw allows remote attackers to cause a denial of service (daemon crash) by renewing a nonexistent lease or sending a DHCPREQUEST for an IP address that is not in the same network, related to the DHCP NAK response from the daemon.
Affected Software
Affected Software
Dnsmasq prior to 2.26.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.26 or later.