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Dnsmasq < 2.76 DoS Vulnerability
Information
Severity
Severity
High
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
Dnsmasq is prone to an improper bounds checking vulnerability which may lead to a denial of service condition.
Insight
Insight
An attacker controlled DNS server may send large DNS packets that result in a read operation beyond the buffer allocated for the packet.
Affected Software
Affected Software
Dnsmasq versions prior to 2.76.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 2.76 or later.