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Ubuntu Security Notice USN-6642-1
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.
==========================================================================Ubuntu Security Notice USN-6642-1February 19, 2024bind9 vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 20.04 LTSSummary:Several security issues were fixed in Bind.Software Description:- bind9: Internet Domain Name ServerDetails:Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discoveredthat Bind incorrectly handled parsing large DNS messages. A remote attackercould possibly use this issue to cause Bind to consume resources, leadingto a denial of service. (CVE-2023-4408)Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discoveredthat Bind icorrectly handled validating DNSSEC messages. A remote attackercould possibly use this issue to cause Bind to consume resources, leadingto a denial of service. (CVE-2023-50387)It was discovered that Bind incorrectly handled preparing an NSEC3 closestencloser proof. A remote attacker could possibly use this issue to causeBind to consume resources, leading to a denial of service. (CVE-2023-50868)It was discovered that Bind incorrectly handled reverse zone queries whennxdomain-redirect is enabled. A remote attacker could possibly use thisissue to cause Bind to crash, leading to a denial of service.(CVE-2023-5517)It was discovered that Bind incorrectly handled certain specific recursivequery patterns. A remote attacker could possibly use this issue to causeBind to consume memory, leading to a denial of service. (CVE-2023-6516)Bind has been updated to 9.6.48. In addition to security fixes, the updatedpackages contain bug fixes, new features, and possibly incompatiblechanges.Please see the following for more information:https://downloads.isc.org/isc/bind9/9.16.48/doc/arm/html/notes.htmlUpdate instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 20.04 LTS: bind9 1:9.16.48-0ubuntu0.20.04.1This update uses a new upstream release, which includes additional bugfixes. In general, a standard system update will make all the necessarychanges.References: https://ubuntu.com/security/notices/USN-6642-1 CVE-2023-4408, CVE-2023-50387, CVE-2023-50868, CVE-2023-5517, CVE-2023-6516Package Information: https://launchpad.net/ubuntu/+source/bind9/1:9.16.48-0ubuntu0.20.04.1Related news
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.
Red Hat Security Advisory 2024-2821-03 - An update for bind and dhcp is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.
Red Hat Security Advisory 2024-2587-03 - An update for unbound is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.
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 2024-1803-03 - Updates for bind and bind-dyndb-ldap are now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Security Advisory 2024-1800-03 - Updates for bind and bind-dyndb-ldap are now available for Red Hat Enterprise Linux 9.0 Extended Update Support.
Red Hat Security Advisory 2024-1789-03 - An update for bind is now available for Red Hat Enterprise Linux 9.
Red Hat Security Advisory 2024-1781-03 - An update for bind9.16 is now available for Red Hat Enterprise Linux 8.
Ubuntu Security Notice 6723-1 - 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. It was discovered that Bind incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service.
Red Hat Security Advisory 2024-1648-03 - An update for bind9.16 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.
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 2024-1545-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Issues addressed include a use-after-free vulnerability.
Red Hat Security Advisory 2024-1544-03 - An update for dnsmasq is now available for Red Hat Enterprise Linux 8.8 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.
Debian Linux Security Advisory 5626-1 - It was discovered that malformed DNSSEC records within a DNS zone could result in denial of service against PDNS Recursor, a resolving name server.
Debian Linux Security Advisory 5626-1 - It was discovered that malformed DNSSEC records within a DNS zone could result in denial of service against PDNS Recursor, a resolving name server.
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 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 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.
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.