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 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...

CVE-2020-8624: Improper Privilege Management

In BIND 9.9.12 - 9.9.13, 9.10.7 - 9.10.8, 9.11.3 - 9.11.21, 9.12.1 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.9.12-S1 - 9.9.13-S1, 9.11.3-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abu...

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...

PT-2020-5766

Name of the Vulnerable Software and Affected Versions: BIND 9 versions 9.0.0 through 9.11.21 BIND 9 versions 9.12.0 through 9.16.5 BIND 9 versions 9.17.0 through 9.17.3 BIND 9 Supported Preview Edition versions 9.9.3-S1 through 9.11.21-S1 Description: The issue is related to an assertion failure...

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...

UBUNTU-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...

UBUNTU-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...

UBUNTU-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...

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...

PT-2020-5739

Name of the Vulnerable Software and Affected Versions: BIND versions 9.10.0 through 9.11.21 BIND versions 9.12.0 through 9.16.5 BIND versions 9.17.0 through 9.17.3 BIND 9 Supported Preview Edition versions 9.10.5-S1 through 9.11.21-S1 Description: The issue allows an attacker to trigger a crash...

CVE-2020-8623

In BIND 9.10.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.10.5-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: be running BIND tha...

Internet Systems Consortium's BIND TCP Receive Buffer Length Assertion Check Denial of Service Vulnerability

Summary An assertion failure exists within the Internet Systems Consortium’s BIND server versions 9.16.1 through 9.17.1 when processing TCP traffic via the libuv library. Due to a length specified within a callback for the library, flooding the server’s TCP port used for larger DNS requests AXFR...

PT-2020-6022

Name of the Vulnerable Software and Affected Versions BIND versions 9.15.6 through 9.16.5 BIND versions 9.17.0 through 9.17.3 Description The issue is related to the libuv library in the BIND DNS server, which can be exploited by an attacker who can establish a TCP connection with the server and...

F5 Networks BIG-IP : BIND vulnerability (K19807532)

"The asterisk character '' is allowed in DNS zone files, where it is most commonly present as a wildcard at a terminal node of the Domain Name System graph. However, the RFCs do not require and BIND does not enforce that an asterisk character be present only at a terminal node. A problem can occu...

PT-2020-6021

Name of the Vulnerable Software and Affected Versions BIND versions 9.14.0 through 9.16.5 BIND versions 9.17.0 through 9.17.3 Description The issue arises when a server is configured with both QNAME minimization and 'forward first'. An attacker who can send queries to the server may be able to...

CVE-2020-8624

In BIND 9.9.12 - 9.9.13, 9.10.7 - 9.10.8, 9.11.3 - 9.11.21, 9.12.1 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.9.12-S1 - 9.9.13-S1, 9.11.3-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abu...

The vulnerability of the BIND DNS server, related to uncontrolled resource consumption, allows a hacker to cause a service failure.

The vulnerability of the BIND DNS server is related to uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures...

bind: BIND does not sufficiently limit the number of fetches performed when processing referrals

A flaw was found in BIND, where it does not sufficiently limit the number of fetches that can be performed while processing a referral response. This flaw allows an attacker to cause a denial of service attack. The attacker can also exploit this behavior to use the recursing server as a reflector...