USN-3673-1: Unbound vulnerability

Ralph Dolmans and Karst Koymans discovered that Unbound did not properly handle certain NSEC records. An attacker could use this to to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick Unbound into accepting a NODATA proof...

Updated pdns-recursor package fixes security vulnerability

An issue has been found in the DNSSEC validation component of PowerDNS Recursor, allowing an ancestor delegation NSEC or NSEC3 record to be used to wrongfully prove the non-existence of a RR below the owner name of that record. This would allow an attacker in position of man-in-the-middle to send...

FreeBSD : BIND -- multiple vulnerabilities (94599fe0-5ca3-11e8-8be1-d05099c0ae8c)

ISC reports : An error in zone database reference counting can lead to an assertion failure if a server which is running an affected version of BIND attempts several transfers of a slave zone in quick succession. A problem with the implementation of the new serve-stale feature in BIND 9.12 can le...

BIND -- multiple vulnerabilities

ISC reports: An error in zone database reference counting can lead to an assertion failure if a server which is running an affected version of BIND attempts several transfers of a slave zone in quick succession. A problem with the implementation of the new serve-stale feature in BIND 9.12 can lea...

Debian DLA-1264-1 : unbound security update

Ralph Dolmans and Karst Koymans found a flaw in the way unbound validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof. For mo...

[ASA-201801-32] dnsmasq: insufficient validation

Arch Linux Security Advisory ASA-201801-32 ========================================== Severity: Medium Date : 2018-01-30 CVE-ID : CVE-2017-15107 Package : dnsmasq Type : insufficient validation Remote : Yes Link : https://security.archlinux.org/AVG-592 Summary ======= The package dnsmasq before...

Unbound DNS Resolver < 1.6.8 DoS Vulnerability

Unbound DNS Resolver is prone to a denial of service DoS vulnerability. SPDX-FileCopyrightText: 2018 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 CPE =...

Design/Logic Flaw

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15105

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15107

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

Design/Logic Flaw

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

CVE-2017-15107

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

DEBIAN-CVE-2017-15105

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15105

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15107

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

CVE-2017-15105

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15107

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

CVE-2017-15105

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence NXDOMAIN answer of an existing wildcard record, or trick unbound into accepting a NODATA proof...

CVE-2017-15107

A vulnerability was found in the implementation of DNSSEC in Dnsmasq up to and including 2.78. Wildcard synthesized NSEC records could be improperly interpreted to prove the non-existence of hostnames that actually exist...

CVE-2017-15105

CVE-2017-15105 affects unbound prior to version 1.6.8. The vulnerability arises from improper validation of wildcard-synthesized NSEC records, enabling an attacker to prove the non-existence (NXDOMAIN) of an existing wildcard record or to trick Unbound into accepting a NODATA proof. The connected...