Test Kennung:	1.3.6.1.4.1.25623.1.0.144437
Kategorie:	Denial of Service
Titel:	ISC BIND DoS Vulnerability (CVE-2020-8621) - Linux
Zusammenfassung:	ISC BIND is prone to a denial of service vulnerability.
Beschreibung:	Summary: ISC BIND is prone to a denial of service vulnerability. Vulnerability Insight: While query forwarding and QNAME minimization are mutually incompatible, BIND did sometimes allow QNAME minimization when continuing with recursion after 'forward first' did not result in an answer. In these cases the data used by QNAME minimization might be inconsistent, leading to an assertion failure causing the server to exit. Vulnerability Impact: If a server is configured with both QNAME minimization and 'forward first' then an attacker who can send queries to it may be able to trigger the condition that will cause the server to crash. Servers that 'forward only' are not affected. Affected Software/OS: BIND 9.14.0 - 9.16.5 and 9.17.0 - 9.17.3. Solution: Update to version 9.16.6, 9.17.4 or later. CVSS Score: 4.3 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2020-8621 https://kb.isc.org/docs/cve-2020-8621 https://security.gentoo.org/glsa/202008-19 SuSE Security Announcement: openSUSE-SU-2020:1699 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html SuSE Security Announcement: openSUSE-SU-2020:1701 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html https://usn.ubuntu.com/4468-1/
Copyright	Copyright (C) 2020 Greenbone Networks GmbH

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