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ISC BIND DoS Vulnerability - CVE-2020-8620 (Linux)
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.