RUSTSEC-2020-0001 Stack overflow when resolving additional records from MX or SRV null targets

There's a stack overflow leading to a crash and potential DOS when processing additional records for return of MX or SRV record types from the server. This is only possible when a zone is configured with a null target for MX or SRV records, i.e. '.'. Example effected zone record: text no-service...

Stack overflow when resolving additional records from MX or SRV null targets

There's a stack overflow leading to a crash and potential DOS when processing additional records for return of MX or SRV record types from the server. This is only possible when a zone is configured with a null target for MX or SRV records, i.e. '.'. Example effected zone record: text no-service...

PT-2020-17489 · Trust Dns · Trust-Dns-Server

Name of the Vulnerable Software and Affected Versions: trust-dns-server versions prior to 0.18.1 Description: An issue was discovered in the trust-dns-server crate, where DNS MX and SRV null targets are mishandled, causing stack consumption. This can lead to a stack overflow, resulting in a crash...

Security Bulletin: IBM i is affected by networking BIND vulnerabilities (CVE-2017-3142 and CVE-2017-3143)

Summary ISC BIND is vulnerable to several security vulnerabilities. IBM i has addressed these vulnerabilities. Vulnerability Details CVEID: CVE-2017-3142 DESCRIPTION: ISC BIND could allow a remote attacker to bypass security restrictions, caused by an error when an attacker can send and receive...

[SECURITY] Fedora 30 Update: dnsperf-2.3.2-2.fc30

This is dnsperf, a collection of DNS server performance testing tools. For more information, see the dnsperf1 and resperf1 man pages...

[SECURITY] Fedora 30 Update: bind-9.11.13-2.fc30

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

PT-2019-6140 · Nlnet +8 · Unbound +8

Name of the Vulnerable Software and Affected Versions: Unbound versions prior to 1.9.5 Description: The issue is related to the synth cname function in the Unbound DNS server, which may lead to an assertion failure and denial of service. However, the vendor disputes that this is a vulnerability,...

PT-2019-6126 · Nlnet +8 · Unbound +8

Name of the Vulnerable Software and Affected Versions: Unbound versions prior to 1.9.5 Description: The issue is related to the function dname pkt copy in the Unbound DNS server, which may allow a remote attacker to cause a denial of service due to an assertion failure when handling a compressed...

samba -- multiple vulnerabilities

The Samba Team reports: CVE-2019-14861: An authenticated user can crash the DCE/RPC DNS management server by creating records with matching the zone name. CVE-2019-14870: The DelegationNotAllowed Kerberos feature restriction was not being applied when processing protocol transition requests...

UBUNTU-CVE-2019-14861

All Samba versions 4.x.x before 4.9.17, 4.10.x before 4.10.11 and 4.11.x before 4.11.3 have an issue, where the poorly named dnsserver RPC pipe provides administrative facilities to modify DNS records and zones. Samba, when acting as an AD DC, stores DNS records in LDAP. In AD, the default...

CVE-2019-18934

A shell command injection vulnerability was discovered in the way unbound handles DNS queries for systems with a public key used for IPsec. When ipsecmod is enabled, a malicious DNS server could send a DNS reply which would be used during a following DNS query to execute shell commands with the...

MikroTik RouterOS 6.45.6 - DNS Cache Poisoning

MikroTik RouterOS 6.45.6 - DNS Cache Poisoning Exploit Title: MikroTik RouterOS 6.45.6 - DNS Cache Poisoning Date: 2019-10-30 Exploit Author: Jacob Baines Vendor Homepage: https://mikrotik.com/ Software Link: https://mikrotik.com/download Version: 6.45.6 Stable and below or 6.44.5 Long-term and...

ALPINE-CVE-2019-6471

A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 - 9.11.7, 9.12.0 - 9.12.4-P1, 9.14.0 - 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of...

DNS Rebinding Tool - DNS Rebind Tool With Custom Scripts

Inspired by @tavisio This project is meant to be an All-in-one Toolkit to test further DNS rebinding attacks and my take on understanding these kind of attacks. It consists of a web server and pseudo DNS server that only responds to A queries. The root index of the web server allowes to configure...

[SECURITY] Fedora 29 Update: dnsperf-2.3.2-1.fc29

This is dnsperf, a collection of DNS server performance testing tools. For more information, see the dnsperf1 and resperf1 man pages...

[SECURITY] Fedora 29 Update: bind-9.11.10-1.fc29

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

mpDNS - Multi-Purpose DNS Server

Simple, configurable "clone & run" DNS Server with multiple useful features Should work on Python 2 and 3 names.db - holds all custom records see examples Simple wildcards like .example.com Catch unicode dns requests Custom actions aka macro: shellexec::dig google.com +short - Execute shell comma...

Information Disclosure

php is vulnerable to information disclosure. An attacker is able to retrieve confidential information by using a hostile DNS server to casuse PHP to misuse memcpy with negative length via a malicious DNS response...

Dnsmasq < 2.76 DoS Vulnerability

Dnsmasq is prone to an improper bounds checking vulnerability which may lead to a Denial of Service DoS condition. Copyright C 2019 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

CVE-2019-14513

Improper bounds checking in Dnsmasq before 2.76 allows an attacker controlled DNS server to send large DNS packets that result in a read operation beyond the buffer allocated for the packet, a different vulnerability than CVE-2017-14491...