unbound: amplification of an incoming query into a large number of queries directed to a target

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

unbound: amplification of an incoming query into a large number of queries directed to a target

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

unbound: amplification of an incoming query into a large number of queries directed to a target

A network amplification vulnerability was found in Unbound, in the way it processes delegation messages from one authoritative zone to another. This flaw allows an attacker to cause a denial of service or be part of an attack against another DNS server when Unbound is deployed as a recursive...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

PT-2020-13803

Name of the Vulnerable Software and Affected Versions D-Link DSL 2730-U versions IN 1.10 through IN 1.11 D-Link DIR-600M version 3.04 Description The issue allows remote attackers to provide valid DNS responses for names that would have otherwise resulted in an NXDOMAIN error. This is possible by...

CVE-2020-13960: Undefined Security Weakness

D-Link DSL 2730-U IN1.10 and IN1.11 and DIR-600M 3.04 devices have the domain.name string in the DNS resolver search path by default, which allows remote attackers to provide valid DNS responses and also offer Internet services such as HTTP for names that otherwise would have had an NXDOMAIN erro...

CVE-2020-5591

XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a...

CVE-2020-5591

XACK DNS 1.11.0 to 1.11.4, 1.10.0 to 1.10.8, 1.8.0 to 1.8.23, 1.7.0 to 1.7.18, and versions before 1.7.0 allow remote attackers to cause a denial of service condition resulting in degradation of the recursive resolver's performance or compromising the recursive resolver as a reflector in a...

Innovation Driven by Operational Experience and Engineering Insight Deters NXNS Attacks

DNS and security have had a long and tangled relationship. The DNS has always been an attractive target since it's a network leverage point. At DNS OARC 30 in Bangkok in 2019, Akamai's Ralf Weber did a presentation called DNS Security: Past, Present, and Future It's Not Easy covering numerous DNS...

PT-2020-4207

Name of the Vulnerable Software and Affected Versions: XACK DNS versions 1.11.0 through 1.11.4 XACK DNS versions 1.10.0 through 1.10.8 XACK DNS versions 1.8.0 through 1.8.23 XACK DNS versions 1.7.0 through 1.7.18 XACK DNS versions prior to 1.7.0 Description: The issue allows remote attackers to...

[SECURITY] Fedora 31 Update: bind-9.11.19-1.fc31

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Fedora 32 : knot-resolver (2020-bf68101ad3)

fixes CVE-2020-12667 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. C Tenable Network Security,...

[SECURITY] Fedora 32 Update: bind-9.11.19-1.fc32

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Fedora: Security Advisory for knot-resolver (FEDORA-2020-bf68101ad3)

The remote host is missing an update for the 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 can...

Fedora: Security Advisory for unbound (FEDORA-2020-3cfd38fefd)

The remote host is missing an update for the 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 can...

Fedora: Security Advisory for unbound (FEDORA-2020-8e9b62948e)

The remote host is missing an update for the 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 can...

Dynamic Data Resolver (DDR) — IDA Plugin 1.0 beta

By Holger Unterbrink Executive summaryStatic reverse-engineering in IDA can often be problematic. Certain values are calculated at run time, which makes it difficult to understand what a certain basic block is doing. If you try to perform dynamic analysis by debugging a piece of malware, the...

[SECURITY] Fedora 32 Update: knot-resolver-5.1.1-1.fc32

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...