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...

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...

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...

Debian DSA-4694-1 : unbound - security update

Two vulnerabiliites have been discovered in Unbound, a recursive-only caching DNS server; a traffic amplification attack against third-party authoritative name servers NXNSAttack and insufficient sanitisation of replies from upstream servers could result in denial of service via an infinite loop...

Ubuntu 18.04 LTS / 20.04 LTS : Unbound vulnerabilities (USN-4374-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4374-1 advisory. Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Unbound incorrectly handled certain queries. A remote attacker could use this...

Debian: Security Advisory (DSA-4694-1)

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

Ubuntu: Security Advisory (USN-4374-1)

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

USN-4374-1: Unbound vulnerabilities

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Unbound incorrectly handled certain queries. A remote attacker could use this issue to perform an amplification attack directed at a target. CVE-2020-12662 It was discovered that Unbound incorrectly handled certain malformed answers....

USN-4374-1 unbound vulnerabilities

Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Unbound incorrectly handled certain queries. A remote attacker could use this issue to perform an amplification attack directed at a target. CVE-2020-12662 It was discovered that Unbound incorrectly handled certain malformed answers....

NewStart CGSL CORE 5.04 / MAIN 5.04 : chrony Multiple Vulnerabilities (NS-SA-2020-0027)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has chrony packages installed that are affected by multiple vulnerabilities: - Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service crash via a crafted 1...

MGASA-2020-0223 Updated pdns-recursor packages fix security vulnerabilities

Updated pdns-recursor packages fix security vulnerabilities: An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted reply by an authoritative name server to amplify the...

MGASA-2020-0224 Updated unbound packages fix security vulnerabilities

Updated unbound packages fix security vulnerabilities: Unbound can be tricked into amplifying an incoming query into a large number of queries directed to a target CVE-2020-12662. Malformed answers from upstream name servers can be used to make Unbound unresponsive CVE-2020-12663...

Debian DSA-4691-1 : pdns-recursor - security update

Two vulnerabilities have been discovered in PDNS Recursor, a resolving name server; a traffic amplification attack against third-party authoritative name servers NXNSAttack and insufficient validation of NXDOMAIN responses lacking an SOA. The version of pdns-recursor in the oldstable distribution...

[SECURITY] [DSA 4691-1] pdns-recursor security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4691-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 21, 2020 https://www.debian.org/security/faq -...

Amazon Linux 2 : bind (ALAS-2020-1426)

The version of bind installed on the remote host is prior to 9.11.4-9.P2. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1426 advisory. An assertion failure was found in BIND, which checks the validity of messages containing TSIG resource records. This flaw...

Vulnerabilities fixed in BIND

BIND has fixed several vulnerabilities that could allow a malicious potentially capable of causing a denial-of-service DoS cause. A DoS attack exploiting the vulnerability with attribute CVE-2020-8617, targets DNS clients. The vulnerability with attribute CVE-2020-8616 involves a new method for...

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...

[ASA-202005-14] unbound: denial of service

Arch Linux Security Advisory ASA-202005-14 ========================================== Severity: High Date : 2020-05-20 CVE-ID : CVE-2020-12662 CVE-2020-12663 Package : unbound Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1164 Summary ======= The package unbound...

CVE-2020-12662

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...

CVE-2020-10995

PowerDNS Recursor from 4.1.0 up to and including 4.3.0 does not sufficiently defend against amplification attacks. An issue in the DNS protocol has been found that allow malicious parties to use recursive DNS services to attack third party authoritative name servers. The attack uses a crafted rep...