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Dnsmasq DoS 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

6 years ago

Modified

Modified

3 years ago

Summary

Dnsmasq is prone to a denial of service vulnerability.

Insight

Insight

Dnsmasq crashes when an A or AAAA record is defined locally, in a hosts file, and an upstream server sends a reply that the same name is empty.

Affected Software

Affected Software

Dnsmasq 2.73 until 2.75

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to version 2.76 or later

Common Vulnerabilities and Exposures (CVE)