numa

Numa DNS you own. Everywhere you go. — numa.rs A portable DNS resolver in a single binary. Block ads on any network, name your local services frontend.numa, override any hostname with auto-revert, and seal every outbound query with ODoH RFC 9230 so no single party sees both who you are and what y...

dnsviz

Table of Contents Installation Usage Pre-Deployment DNS Testing Docker Container Description DNSViz is a tool suite for analysis and visualization of Domain Name System DNS behavior, including its security extensions DNSSEC. This tool suite powers the Web-based analysis available at...

CVE-2023-50387

CVE-2023-50387 KeyTrap in DNS CVE-2023-50387 This repository is for educational purposes. The number of keys and signatures has been intentionally kept low to prevent their use in actual attacks, and a script for generating colliding keys are not included. Test Setting up the PoC environment...

vaas-cve-2015-5477

Vulnerability as a Service - CVE 2015-5477 A Debian Wheezy Linux system with a vulnerable version of bind9 to showcase CVS-2015-5477. Overview This docker container is based on Debian Wheezy and has been modified to use a vulernable version of bind9 and the matching additional dependencies. Usage...

CVE-2023-50387

Repository based on https://github.com/knqyf263/CVE-2023-50387 with several modifications: Added resolver-fixed, which has an implementation of Unbound where the vulnerability we discussed is fixed. Created scripts for automating the generation of RRSIG keys. To auto-generate configuration files:...

NSEC3-Encloser-Attack

Generación de Zonefiles para el Ataque NSEC3-Encloser Este proyecto genera zonefiles DNS con parámetros NSEC3 personalizados para reproducir y evaluar los ataques descritos en CVE-2023-50868. Requisitos Python3 probado en Python3.10 Dependencias de Python instaladas: cryptography 42.0.5 dnspython...

dns-benchmark-tool

⚠️ this project has moved and is no longer maintained. install the successor: pip install net-benchmark repository: https://github.com/net-benchmark/net-benchmark all existing commands and flags remain fully compatible. DNS Benchmark Tool Part of BuildTools - Network Performance Suite Fast,...

NSEC3-X

DISCLAIMER: This project was generated by Artificial Intelligence AI but has undergone a rigorous "Human-in-the-Loop" HITL process. This means the code has been reviewed and refactored by a human software engineer, the architectural design was human-directed, and a basic security audit was...

SSR-DNSSEC

The DNS infrastructure used for this PoC was the one suggested on the SEED Labs, available at: https://seedsecuritylabs.org/Labs20.04/Networking/DNS/DNSSEC/, with some minor changes. The infrastructure, consists of a root server, a top-level domain server for edu, a domain server for example.edu,...

K000163139: NLnet Labs Unbound vulnerability CVE-2026-33278

Security Advisory Description NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of service and possible remote code execution as a result of deep copying a data structure and erroneously overwriting a destination pointer. ...

Fedora 43 : bind (2026-875d2a5154)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-875d2a5154 advisory. Fixes multiple CVEs - Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 - Key Record using PRIVATEDNS algorithm may lead to exit...

F5 Networks BIG-IP : NLnet Labs Unbound vulnerability (K000163139)

The version of F5 Networks BIG-IP installed on the remote host is prior to 17.1.3.5 / 17.5.1.9 / 21.1.0.2. It is, therefore, affected by a vulnerability as referenced in the K000163139 advisory. NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validat...

Fedora 44 : bind (2026-d87e7f498a)

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-d87e7f498a advisory. Fixes multiple CVEs - Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 - Key Record using PRIVATEDNS algorithm may lead to exit...

F5 Networks BIG-IP : NLnet Labs Unbound vulnerability (K000163141)

The version of F5 Networks BIG-IP installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the K000163141 advisory. NLnet Labs Unbound up to and including version 1.25.0 has a denial of service vulnerability in the DNSSEC validator th...

Important: Red Hat Security Advisory: bind security update

An update for bind is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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...

bind: bind9: Incorrect acceptance of NSEC3 records

BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN responses...

bind: bind9: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

The BIND resolver accepts validly-signed NSEC records where the "Next Domain Name" field points outside the signer's zone...

bind: bind9: Cache poisoning via label count discrepancy, RRSIG, wildcards

It is possible for an attacker's zone to respond to a query with an RRSIG that has a smaller number of labels than the zone in which the RRSIG is contained. This causes named to produce a wildcard name for a zone that is shorter than the attacker's zone, which can result in cache poisoning. For...

bind: bind9: Potential memory usage beyond configured limits

A DNSSEC validating resolver that is under a random subdomain attack against a DNSSEC-signed zone can suffer from runaway memory usage. The attacker needs to be able to send queries faster than the resolver can perform validation. The increased memory usage can be orders of magnitude beyond the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: unbound (UTSA-2026-104802)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104802 advisory. In NLnet Labs Unbound up to and including version 1.25.1, when the validator builds the canonical RDATA form for an RRSIG-covered PX/RP/MINFO/SOA RRset, it computes...