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FreeBSD: VID-F00D1873-B138-11EA-8659-901B0EF719AB (CVE-2020-8619): BIND -- Remote Denial of Service vulnerability

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FreeBSD: VID-F00D1873-B138-11EA-8659-901B0EF719AB (CVE-2020-8619): BIND -- Remote Denial of Service vulnerability

Severity
4
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:P)
Published
06/17/2020
Created
06/23/2020
Added
06/19/2020
Modified
10/20/2020

Description

In ISC BIND9 versions BIND 9.11.14 -> 9.11.19, BIND 9.14.9 -> 9.14.12, BIND 9.16.0 -> 9.16.3, BIND Supported Preview Edition 9.11.14-S1 -> 9.11.19-S1: Unless a nameserver is providing authoritative service for one or more zones and at least one zone contains an empty non-terminal entry containing an asterisk ("*") character, this defect cannot be encountered. A would-be attacker who is allowed to change zone content could theoretically introduce such a record in order to exploit this condition to cause denial of service, though we consider the use of this vector unlikely because any such attack would require a significant privilege level and be easily traceable.

Solution(s)

  • freebsd-upgrade-package-bind911
  • freebsd-upgrade-package-bind916

References

  • CVE-2020-8619
  • USN-4399-1

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