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ISC BIND DoS Vulnerability - CVE-2020-8620 (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

2 years ago

Modified

Modified

2 years ago

Summary

ISC BIND is prone to a denial of service vulnerability.

Insight

Insight

In versions of BIND that use the libuv network manager an incorrectly specified maximum buffer size allows a specially crafted large TCP payload to trigger an assertion failure when it is received.

Affected Software

Affected Software

BIND 9.15.6 - 9.16.5 and 9.17.0 - 9.17.3.

Detection Method

Detection Method

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

Solution

Solution

Update to version 9.16.6, 9.17.4 or later.

Common Vulnerabilities and Exposures (CVE)