CZ.NIC Knot Resolver CVE-2019-19331 Denial of Service Vulnerability

Description CZ.NIC Knot Resolver is prone to a denial-of-service vulnerability. Remote attackers can exploit this issue to cause denial-of-service condition. Knot Resolver versions prior to 4.3.0 are vulnerable. Technologies Affected CZ.NIC labs Knot Resolver 2.0.0 CZ.NIC labs Knot Resolver 2.1.0...

Knot Resolver Detection (Linux/Unix SSH Login)

SSH login-based detection of Knot Resolver. Copyright C 2019 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation;...

Knot Resolver < 4.1.0 Multiple Vulnerabilities

Knot Resolver is prone to multiple vulnerabilities. Copyright C 2019 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software...

Fedora Update for knot-resolver FEDORA-2019-20f95b0b39

The remote host is missing an update for the Copyright C 2019 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 can...

Fedora Update for knot-resolver FEDORA-2019-fdb50c675d

The remote host is missing an update for the Copyright C 2019 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 can...

[SECURITY] Fedora 29 Update: knot-resolver-4.1.0-1.fc29

The Knot Resolver is a DNSSEC-enabled caching full resolver implementation written in C and LuaJIT, including both a resolver library and a daemon. Modular architecture of the library keeps the core tiny and efficient, and provides a state-machine like API for extensions. The package is...

[SECURITY] Fedora 30 Update: knot-resolver-4.1.0-1.fc30

The Knot Resolver is a DNSSEC-enabled caching full resolver implementation written in C and LuaJIT, including both a resolver library and a daemon. Modular architecture of the library keeps the core tiny and efficient, and provides a state-machine like API for extensions. The package is...

Fedora 30 : knot-resolver (2019-fdb50c675d)

fixes security issues CVE-2019-10190 and CVE-2019-10191 - https://lists.nic.cz/pipermail/knot-resolver-announce/2019/000009.html Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically...

Fedora 29 : knot-resolver (2019-20f95b0b39)

fixes security issues CVE-2019-10190 and CVE-2019-10191 - https://lists.nic.cz/pipermail/knot-resolver-announce/2019/000009.html Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically...

DEBIAN-CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

DEBIAN-CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

Input validation

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10191

Affected software: knot-resolver (DNS resolver). Vulnerability: Improper handling during DNSSEC validation allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, enabling potential domain hijacking. This is described for Knot Resolver prior to version 4.1.0 (and corr...

CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of...

CVE-2019-10190

Knot Resolver up to version 4.1.0 is affected by CVE-2019-10190, a DNSSEC validation bypass that lets NXDOMAIN responses pass to clients even when DNSSEC validation failed, potentially enabling domain hijack. Public advisories (e.g., Debian DLA-3795, Ubuntu USN-7047-1) indicate multiple knot-reso...

UBUNTU-CVE-2019-10191

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol...