Important: bind

Issue Overview: An assertion failure was found in BIND, which checks the validity of messages containing TSIG resource records. This flaw allows an attacker that knows or successfully guesses the name of the TSIG key used by the server to use a specially-crafted message, potentially causing a BIN...

Debian DSA-4689-1 : bind9 - security update

Several vulnerabilities were discovered in BIND, a DNS server implementation. - CVE-2019-6477 It was discovered that TCP-pipelined queries can bypass tcp-client limits resulting in denial of service. - CVE-2020-8616 It was discovered that BIND does not sufficiently limit the number of fetches...

BIND - 'TSIG' Denial of Service

!/usr/bin/python coding:utf-8 from scapy.all import DNS, DNSQR, IP, sr1, UDP, DNSRRTSIG, DNSRROPT tsig = DNSRRTSIGrrname="local-ddns", algoname="hmac-sha256", rclass=255, maclen=0, macdata="", timesigned=0, fudge=300, error=16 dnsreq = IPdst='127.0.0.1'/UDPdport=53/DNSrd=1, ad=1,...

ISC BIND Multiple DoS Vulnerabilities (CVE-2020-8616, CVE-2020-8617) - 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-2020-8617

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows or successfully guesses the name of a TSIG key used by the server. Since BIND, by default, configures a local session key even on servers whose configuration doe...

Design/Logic Flaw

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows or successfully guesses the name of a TSIG key used by the server. Since BIND, by default, configures a local session key even on servers whose configuration doe...

CVE-2020-8617

CVE-2020-8617 involves ISC BIND and is triggered by a logic error in the TSIG validity check (tsig.c). A remote attacker who can guess or know the TSIG key name could cause the server to reach an inconsistent state or trigger an assertion failure, leading to a denial of service. Several connected...

CVE-2020-8617

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows or successfully guesses the name of a TSIG key used by the server. Since BIND, by default, configures a local session key even on servers whose configuration doe...

USN-4365-1: Bind vulnerabilities

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service, or possibly use Bind to perform a reflection attack. CVE-2020-8616 Tobias...

CVE-2020-8617

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows or successfully guesses the name of a TSIG key used by the server. Since BIND, by default, configures a local session key even on servers whose configuration doe...

PT-2020-3611

Name of the Vulnerable Software and Affected Versions BIND versions prior to the fixed version Windows DNS Server affected versions not specified PowerDNS Recursor affected versions not specified Description The issue is related to a lack of effective limitation on the number of fetches performed...

UBUNTU-CVE-2020-8617

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows or successfully guesses the name of a TSIG key used by the server. Since BIND, by default, configures a local session key even on servers whose configuration doe...

Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2017-1140)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG 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-only ifdescription...

NewStart CGSL MAIN 4.05 : bind Multiple Vulnerabilities (NS-SA-2019-0102)

The remote NewStart CGSL host, running version MAIN 4.05, has bind packages installed that are affected by multiple vulnerabilities: - A flaw was found in the way BIND handled TSIG authentication for dynamic updates. A remote attacker able to communicate with an authoritative BIND server could us...

Design/Logic Flaw

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection wit...

CVE-2017-3142

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection wit...

CVE-2017-3142

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection wit...

CVE-2017-3143

The CVE-2017-3143 issue is a TSIG authentication bypass in ISC BIND that could allow an attacker who can communicate with an authoritative DNS server and knows a valid TSIG key name to manipulate BIND into accepting an unauthorized dynamic update. The vulnerability affects multiple BIND releases ...

CVE-2017-3142 An error in TSIG authentication can permit unauthorized zone transfers

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection wit...

CVE-2017-3142

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name may be able to circumvent TSIG authentication of AXFR requests via a carefully constructed request packet. A server that relies solely on TSIG keys for protection wit...