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CVE-2020-8619

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2020-4500-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4500-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly.

tags | advisory, protocol
systems | linux, redhat
advisories | CVE-2020-8619, CVE-2020-8622, CVE-2020-8623, CVE-2020-8624
MD5 | 3585a2e7b7818681ad2730848080ff11
Ubuntu Security Notice USN-4399-1
Posted Jun 18, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4399-1 - It was discovered that Bind incorrectly handled large responses during zone transfers. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. It was discovered that Bind incorrectly handled certain asterisk characters in zone files. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-8618, CVE-2020-8619
MD5 | a0530899b395851dffa5d9842ee214cb
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