USN-4468-1 bind9 vulnerabilities

Emanuel Almeida discovered that Bind incorrectly handled certain TCP payloads. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. CVE-2020-8620 Joseph Gullo discovered that Bind incorrectly handled...

CVE-2020-8624

A flaw was found in bind. Updates to "Update-policy" rules of type "subdomain" are treated as if they were of type "zonesub" which allows updates to all parts of the zone along with the intended subdomain. The highest threat from this vulnerability is to data integrity...

CVE-2020-8623

A flaw was found in bind. An assertion failure can occur when a specially crafted query for a zone signed with an RSA key. BIND must be compiled with "--enable-native-pkcs11" for the system to be affected. The highest threat from this vulnerability is to system availability...

CVE-2020-8622

A flaw was found in bind. An assertion failure can occur when trying to verify a truncated response to a TSIG-signed request. The highest threat from this vulnerability is to system availability...

CVE-2020-8621

In BIND 9.14.0 - 9.16.5, 9.17.0 - 9.17.3, 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...

CVE-2020-8620

In BIND 9.15.6 - 9.16.5, 9.17.0 - 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit...

ISC BIND update-policy Enforcement Vulnerability (CVE-2020-8624) - Windows

ISC BIND is prone to a vulnerability where update-policy rules of type Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free...

ISC BIND DoS Vulnerability (CVE-2020-8620) - Windows

ISC BIND is prone to a denial of service vulnerability. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you c...

Security fix for the ALT Linux 10 package bind version 9.11.22-alt1

Aug. 21, 2020 Stanislav Levin 9.11.22-alt1 - 9.11.20 - 9.11.22 fixes: CVE-2020-8622, CVE-2020-8623, CVE-2020-8624...

Several vulnerabilities fixed in BIND

Several vulnerabilities have been fixed in BIND. A malicious person can remotely exploit the vulnerabilities to cause the BIND process to crash and thus cause a denial-of-service on DNS traffic cause. ISC has released updates to fix the vulnerabilities in BIND 9.11.22, 9.16.6 and 9.17.4. For more...

ISC Releases Security Advisories for BIND

The Internet Systems Consortium ISC has released security advisories that address vulnerabilities affecting multiple versions of ISC Berkeley Internet Name Domain BIND. A remote attacker could exploit these vulnerabilities to cause a denial-of-service condition. The Cybersecurity and Infrastructu...

ISC BIND update-policy Enforcement Vulnerability (CVE-2020-8624) - Linux

ISC BIND is prone to a vulnerability where update-policy rules of type Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free...

ISC BIND DoS Vulnerability (CVE-2020-8621) - Linux

ISC BIND is prone to a denial of service vulnerability. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you c...

ISC BIND DoS Vulnerability (CVE-2020-8621) - Windows

ISC BIND is prone to a denial of service vulnerability. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you c...

ISC BIND Multiple DoS Vulnerabilities (CVE-2020-8622, CVE-2020-8623) - Windows

ISC BIND is prone to multiple denial of service vulnerabilities. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free...

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

ISC BIND is prone to a denial of service vulnerability. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you c...

ISC BIND Multiple DoS Vulnerabilities (CVE-2020-8622, CVE-2020-8623) - Linux

ISC BIND is prone to multiple denial of service vulnerabilities. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free...

Vulnerability Spotlight: Internet Systems Consortium BIND server DoS

Emanuel Almeida of Cisco Systems discovered this vulnerability. Blog by Jon Munshaw. The Internet Systems Consortium’s BIND server contains a denial-of-service vulnerability that exists when processing TCP traffic through the libuv library. An attacker can exploit this vulnerability by flooding t...

CVE-2020-8620

In BIND 9.15.6 - 9.16.5, 9.17.0 - 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit...

CVE-2020-8622

In BIND 9.0.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.9.3-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that...