OESA-2021-1313 c-ares security update

This is c-ares, an asynchronous resolver library. It is intended for applications which need to perform DNS queries without blocking, or need to perform multiple. Security Fixes: Missing input validation of host names returned by Domain Name Servers in the c-ares library can lead to output of wro...

CVE-2021-34442

Windows DNS Server Remote Code Execution Vulnerability...

Moderate: ruby:2.7 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: ruby 2.7.3. BZ1951999 Security Fixes: ruby: Potential HTTP request smugglin...

What is DNS (Domain Name System) Spoofing and Cache Poisoning❓

What Is DNS spoofing? Domain Name System DNS harming and caricaturing are sorts of cyberattack that adventure DNS worker weaknesses to redirect traffic from real workers towards counterfeit ones. Whenever you’ve ventured out to a fake page, you might be astounded on the best way to determine it —...

F5 NGINX Controller 安全漏洞

F5 NGINX Controller is a centralized monitoring and management platform for NGINX from F5. The platform supports the management of multiple NGINX instances using a visual interface. A security vulnerability exists in F5 NGINX Controller that allows an attacker to forge UDP packets from a DNS serv...

A second vulnerability in BIND's GSSAPI security policy negotiation can be targeted by a buffer overflow attack

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Important: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq 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...

The vulnerability of the tsig.c component of the BIND DNS server allows a attacker to cause a service failure.

The vulnerability of the tsig.c component in the BIND DNS server is related to the insufficient use of the assert function. Exploiting this vulnerability allows a remote attacker to cause service failures...

Local symlink attack in Unbound and NSD

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Unbound Backlink Vulnerability

Unbound is a DNS resolver from the NLnet Labs Nlnet Labs Foundation in the Netherlands that supports verified recursion and caching. A security vulnerability exists in NLnet Labs Unbound version 1.12.0 and earlier and NLnet Labs NSD version 4.3.3 and earlier that allows a local symbolic link...

EulerOS Virtualization for ARM 64 3.0.2.0 : unbound (EulerOS-SA-2020-1971)

According to the versions of the unbound package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A flaw was found in unbound in versions prior to 1.10.1. An infinite loop can be created when malformed DNS answers ar...

BIND: Multiple vulnerabilities

Background BIND Berkeley Internet Name Domain is a Name Server. Description Multiple vulnerabilities have been discovered in BIND. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known workarou...

ISC BIND 9.15.6 < 9.16.6 / 9.17.x < 9.17.4 DoS

According to its self-reported version number, the installation of ISC BIND running on the remote name server is version 9.15.6 prior to 9.16.6 or 9.17.x prior to 9.17.4. It is, therefore, affected by a denial of service DoS vulnerability due to an incorrectly specified maximum buffer size. An...

ALPINE-CVE-2020-8620

In BIND 9.15.6 - 9.16.5, 9.17.0 - 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit...

UBUNTU-CVE-2020-8624

In BIND 9.9.12 - 9.9.13, 9.10.7 - 9.10.8, 9.11.3 - 9.11.21, 9.12.1 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.9.12-S1 - 9.9.13-S1, 9.11.3-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abu...

UBUNTU-CVE-2020-8623

In BIND 9.10.0 - 9.11.21, 9.12.0 - 9.16.5, 9.17.0 - 9.17.3, also affects 9.10.5-S1 - 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: be running BIND tha...

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...

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...

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...