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,...

Security fix for the ALT Linux 9 package bind version 9.11.19-alt1

9.11.19-alt1 built May 20, 2020 Stanislav Levin in task 251954 May 19, 2020 Stanislav Levin - 9.11.18 - 9.11.19 fixes: CVE-2020-8616, CVE-2020-8617...

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...

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

ISC BIND Denial of Service Vulnerability (CNVD-2020-29429)

ISC BIND is the United States ISC company's set of open source software that implements the DNS protocol. A denial of service vulnerability exists in ISC BIND. A remote attacker could exploit this vulnerability to cause a denial of service...

Slackware 14.0 / 14.1 / 14.2 / current : bind (SSA:2020-140-01)

New bind packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Slackware Security Advisory 2020-140-01. The text itself is copyright C Slackware Linux,...

ISC BIND Resource Management Error Vulnerability

ISC BIND is the United States ISC company's set of open source software that implements the DNS protocol. A security vulnerability exists in ISC BIND. A remote attacker could exploit this vulnerability to cause a denial of service...

[slackware-security] bind

New bind packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues. Here are the details from the Slackware 14.2 ChangeLog: patches/packages/bind-9.11.19-i586-1slack14.2.txz: Upgraded. This update fixes security issues: A malicious actor who intentionally exploits...

ALPINE-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...

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...

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...

DEBIAN-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

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

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 A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c

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

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-2020-8616 BIND does not sufficiently limit the number of fetches performed when processing referrals

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to issue a very large number of fetches in an attempt to process the referral...

USN-4365-1 bind9 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...