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Test ID:
Category:Denial of Service
Title:ISC BIND DoS Vulnerability - CVE-2020-8620 (Linux)
Summary:ISC BIND is prone to a denial of service vulnerability.
ISC BIND is prone to a denial of service vulnerability.

Vulnerability 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.

Vulnerability Impact:
An attacker who can establish a TCP connection with the server and send data on
that connection can exploit this to trigger the assertion failure, causing the server to exit.

Affected Software/OS:
BIND 9.15.6 - 9.16.5 and 9.17.0 - 9.17.3.

Update to version 9.16.6, 9.17.4 or later.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-8620
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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