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PowerDNS Authoritative (Auth) Server Denial of Service Vulnerability (Windows)

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

5 years ago

Modified

Modified

3 years ago

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Summary

This host is running PowerDNS Authoritative (Auth) Server and is prone to denial of service vulnerability.

Insight

Insight

The flaw exists due to an error in the handling of DNS packets by label decompression functionality.

Affected Software

Affected Software

PowerDNS Authoritative (Auth) Server 3.2.x, 3.3.x before 3.3.3, and 3.4.x before 3.4.5 on Windows

Detection Method

Detection Method

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

Solution

Solution

Upgrade to PowerDNS Authoritative (Auth) Server 3.3.3, or 3.4.5 or later.

Common Vulnerabilities and Exposures (CVE)

References

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Citations 1. Costs and Consequences of Gaps in Vulnerability Response, Ponemom Institute 2. Cost of a Data Breach Report 2021, IBM

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