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NSD (Name Server Daemon) AXFR Response Denial of Service 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

7 years ago

Modified

Modified

5 years ago

Summary

NSD (Name Server Daemon) 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 <= 4.1.10

Detection Method

Detection Method

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

Solution

Solution

Update to version 4.1.11.

Common Vulnerabilities and Exposures (CVE)