NSEC3-Encloser-Attack

NSEC3-Encloser-Attack Zonefile 생성 이 프로젝트는 CVE-2023-50868의 공격을 재현하고 평가하기 위해 사용자 정의 NSEC3 매개변수로 DNS zonefile을 생성합니다. 요구 사항 Python3 Python3.10에서 테스트됨 설치된 Python 종속성: cryptography 42.0.5 dnspython 2.6.1 구성 요소 lib: Python 유틸리티, 포함: keys.py: 키를 파일에 로드/저장하기 위한 래퍼 함수 nsec.py: DNSSEC NSEC 해시 구현 dnssec.py:...

NSEC3-X

면책 조항: 이 프로젝트는 인공지능AI에 의해 생성되었으나 엄격한 "휴먼 인 더 루프"HITL 프로세스를 거쳤습니다. 즉, 코드는 인간 소프트웨어 엔지니어가 검토 및 리팩토링했고, 아키텍처 설계는 인간이 지시했으며, 기능을 검증하고 일반적인 AI 환각 현상을 배제하기 위한 기본 보안 감사가 수행되었습니다. 이 프로세스는 순수 AI 생성으로는 보장할 수 없는 수준의 품질과 신뢰성을 제공합니다. NSEC3-X NSEC3-X는 DNSSEC NSEC3 구성을 감사하기 위해 설계된 특수 포렌식 및 침투 테스트 도구입니다...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1745269163)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745269163 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denia...

CentOS Linux 8 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1785161562)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1785161562 advisory. - BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN...

Rocky Linux 8 [CIQ] Security Update: bind / bind-chroot / bind-debuginfo / bind-debugsource / bind-devel / etc Multiple Vulnerabilities (crlsa-2024_3271)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20243271 advisory. bind9: Parsing large DNS messages may cause excessive CPU load CVE-2023-4408 bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387...

CentOS Linux 7 [TuxCare] Security Update: unbound / unbound-devel / unbound-libs / unbound-python (CENTOS7:CLSA-2024:1729513208)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2024:1729513208 advisory. - The Closest Encloser Proof aspect of the DNS protocol in RFC 5155 when RFC 9276 guidance is skipped allows remote attackers to cause a denial o...

Rocky Linux 8 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (crlsa-2024_1335)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20241335 advisory. dnsmasq: bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator CVE-2023-50387 dnsmasq: bind9: Preparing an NSEC3 closest encloser proof can exhaust...

CentOS Linux 8 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc (CENTOS-STREAM8:CLSA-2026:1785309449)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1785309449 advisory. - If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these...

CentOS Linux 8.4 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1785161263)

The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1785161263 advisory. - BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN...

CentOS Linux 8.5 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1785266647)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1785266647 advisory. - BIND may accept incorrect child-zone NSEC3 records as valid, which could allow an attacker to forge authenticated NXDOMAIN...

AlmaLinux 9.2 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-dnssec-doc / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2024:1709547568)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1709547568 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denia...

CentOS Linux 7 [TuxCare] Security Update: bind / bind-chroot / bind-devel / bind-export-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2024:1709550046)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2024:1709550046 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denial of...

AlmaLinux 9.2 [TuxCare] Security Update: python3-unbound / unbound / unbound-devel / unbound-libs Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2024:1734532058)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2024:1734532058 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denia...

SUSE CVE-2026-80274

If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions...

ISC BIND 9.11.0 < 9.20.29 / 9.11.3-S1 < 9.20.29-S1 / 9.20.0 < 9.20.29 / 9.20.9-S1 < 9.20.29-S1 / 9.21.0 < 9.21.26 Multiple Vulnerabilities

The version of ISC BIND running on the remote host is 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, or 9.21.0 through 9.21.25. Supported Preview Edition releases 9.11.3-S1 through 9.18.50-S1 and 9.20.9-S1 through 9.20.27-S1 are also affected. It is, therefore, affected by multiple vulnerabiliti...

CVE-2026-77119

A flaw was found in BIND 9. A remote attacker could exploit a vulnerability where a validly signed NSEC3 record from an unrelated DNS zone might be accepted as proof of insecurity. This could downgrade a secure delegation, allowing forged unsigned DNS answers to be accepted by the resolver,...

bind9: bind: BIND 9: DNSSEC bypass via NSEC3 insecure-referral proof

A flaw was found in BIND 9. A remote attacker could exploit a vulnerability where a validly signed NSEC3 record from an unrelated DNS zone might be accepted as proof of insecurity. This could downgrade a secure delegation, allowing forged unsigned DNS answers to be accepted by the resolver,...

AZL-103335 CVE-2026-80274 affecting package bind 9.20.26-1

If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions...

CVE-2026-80274

If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions...

DEBIAN-CVE-2026-80274

If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions...