Test Kennung:	1.3.6.1.4.1.25623.1.0.145864
Kategorie:	Denial of Service
Titel:	ISC BIND DoS Vulnerability (CVE-2021-25214) - Windows
Zusammenfassung:	ISC BIND is prone to a denial of service (DoS) vulnerability.
Beschreibung:	Summary: ISC BIND is prone to a denial of service (DoS) vulnerability. Vulnerability Insight: Incremental zone transfers (IXFR) provide a way of transferring changed portion(s) of a zone between servers. An IXFR stream containing SOA records with an owner name other than the transferred zone's apex may cause the receiving named server to inadvertently remove the SOA record for the zone in question from the zone database. This leads to an assertion failure when the next SOA refresh query for that zone is made. Vulnerability Impact: When a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed. Affected Software/OS: BIND 9.8.5 through 9.8.8, 9.9.3 through 9.11.29, 9.12.0 through 9.16.13, 9.9.3-S1 through 9.11.29-S1, 9.16.8-S1 through 9.16.13-S1 and 9.17.0 through 9.17.11. Solution: Update to version 9.11.31, 9.16.15, 9.17.12, 9.11.31-S1, 9.16.15-S1 or later. CVSS Score: 4.0 CVSS Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2021-25214 https://kb.isc.org/v1/docs/cve-2021-25214 Debian Security Information: DSA-4909 (Google Search) https://www.debian.org/security/2021/dsa-4909 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/ https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html http://www.openwall.com/lists/oss-security/2021/04/29/1 http://www.openwall.com/lists/oss-security/2021/04/29/2 http://www.openwall.com/lists/oss-security/2021/04/29/3 http://www.openwall.com/lists/oss-security/2021/04/29/4
Copyright	Copyright (C) 2021 Greenbone Networks GmbH

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