Debian Security Advisory 5626-1

The Internet Systems Consortium (ISC) has released patches to address multiple security vulnerabilities in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could be exploited to trigger a denial-of-service (DoS) condition. "A cyber threat actor could exploit one of these vulnerabilities to cause a denial-of-service condition," the U.S. Cybersecurity and

Why the company took so long to address the issue is not known given that most other stakeholders had a fix out for the issue months ago.

Red Hat Security Advisory 2024-3741-03 - An update for bind, bind-dyndb-ldap, and dhcp is now available for Red Hat Enterprise Linux 7.

Ubuntu Security Notice 6657-2 - USN-6657-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Dnsmasq incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. It was discovered that Dnsmasq incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. It was discovered that Dnsmasq incorrectly set the maximum EDNS.0 UDP packet size as required by DNS Flag Day 2020. This issue only affected Ubuntu 23.10.

Red Hat Security Advisory 2024-1804-03 - An update for unbound is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Security Advisory 2024-1781-03 - An update for bind9.16 is now available for Red Hat Enterprise Linux 8.

Red Hat Security Advisory 2024-1647-03 - An update for bind9.16 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Security Advisory 2024-1543-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 9.0 Extended Update Support.

Red Hat Security Advisory 2024-1522-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

Red Hat Security Advisory 2024-1335-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 8.

Red Hat Security Advisory 2024-1334-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 9.

Hello everyone! In this episode, I will talk about the February updates of my open source projects, also about projects at my main job at Positive Technologies and interesting vulnerabilities. Alternative video link (for Russia): https://vk.com/video-149273431_456239140 Let’s start with my open source projects. Vulremi A simple vulnerability remediation utility, Vulremi, now has a logo and […]

Ubuntu Security Notice 6665-1 - Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Unbound incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service. It was discovered that Unbound incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Unbound to consume resources, leading to a denial of service.

Debian Linux Security Advisory 5633-1 - It was discovered that malformed DNSSEC records within a DNS zone could result in denial of service against Knot Resolver, a caching, DNSSEC- validating DNS resolver.

Ubuntu Security Notice 6657-1 - Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Dnsmasq icorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service. It was discovered that Dnsmasq incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Dnsmasq to consume resources, leading to a denial of service.

Red Hat Security Advisory 2024-0982-03 - An update for unbound is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.

Red Hat Security Advisory 2024-0981-03 - An update for unbound is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.

Ubuntu Security Notice 6642-1 - Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Bind incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service.

Debian Linux Security Advisory 5621-1 - Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service.

Debian Linux Security Advisory 5621-1 - Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service.

Debian Linux Security Advisory 5620-1 - Two vulnerabilities were discovered in unbound, a validating, recursive, caching DNS resolver. Specially crafted DNSSEC answers could lead unbound down a very CPU intensive and time costly DNSSEC (CVE-2023-50387) or NSEC3 hash (CVE-2023-50868) validation path, resulting in denial of service.

Debian Linux Security Advisory 5620-1 - Two vulnerabilities were discovered in unbound, a validating, recursive, caching DNS resolver. Specially crafted DNSSEC answers could lead unbound down a very CPU intensive and time costly DNSSEC (CVE-2023-50387) or NSEC3 hash (CVE-2023-50868) validation path, resulting in denial of service.

Ubuntu Security Notice 6633-1 - Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Bind incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service.

Ubuntu Security Notice 6633-1 - Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Bind incorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service.