bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator

Processing specially crafted responses coming from DNSSEC-signed zones can lead to uncontrolled CPU usage, leading to a Denial of Service in the DNSSEC-validating resolver side. This vulnerability applies only for systems where DNSSEC validation is enabled...

Rocky Linux 8 : dnsmasq (RLSA-2024:1335)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:1335 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 service CPU...

RHEL 9 : dnsmasq (RHSA-2024:1543)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1543 advisory. The dnsmasq packages contain dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server...

RHEL 9 : dnsmasq (RHSA-2024:1522)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1522 advisory. The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server...

OESA-2024-1323 bind security update

Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols and provides an openly redistributable reference implementation of the major components of the Domain Name System. This package includes the components to operate a DNS server. Security Fixes: The DNS...

OESA-2024-1324 bind security update

Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols and provides an openly redistributable reference implementation of the major components of the Domain Name System. This package includes the components to operate a DNS server. Security Fixes: The DNS...

OESA-2024-1325 bind security update

Berkeley Internet Name Domain BIND is an implementation of the Domain Name System DNS protocols and provides an openly redistributable reference implementation of the major components of the Domain Name System. This package includes the components to operate a DNS server. Security Fixes: The DNS...

AlmaLinux 8 : dnsmasq (ALSA-2024:1335)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:1335 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 service CPU...

AlmaLinux 9 : dnsmasq (ALSA-2024:1334)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2024:1334 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 service CPU...

Oracle Linux 8 : dnsmasq (ELSA-2024-1335)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1335 advisory. 2.79-31.2 - Fix CVE 2023-50387 and CVE 2023-50868 - Resolves: RHEL-25628 - Resolves: RHEL-25666 2.79-31.1 - Do not crash on invalid domain in...

Oracle Linux 9 : dnsmasq (ELSA-2024-1334)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-1334 advisory. 2.85-14.1 - Fix CVE 2023-50387 and CVE 2023-50868 - Resolves: RHEL-25674 - Resolves: RHEL-25638 Tenable has extracted the preceding description block...

Important: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator

Processing specially crafted responses coming from DNSSEC-signed zones can lead to uncontrolled CPU usage, leading to a Denial of Service in the DNSSEC-validating resolver side. This vulnerability applies only for systems where DNSSEC validation is enabled...

RHEL 9 : dnsmasq (RHSA-2024:1334)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1334 advisory. The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server...

CentOS 8 : dnsmasq (CESA-2024:1335)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2024:1335 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 service CPU...

Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2024-553)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-553 advisory. Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a denial of service CPU consumption via one or more DNSSEC responses when there is a zone...

Amazon Linux 2023 : dnsmasq, dnsmasq-utils (ALAS2023-2024-552)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-552 advisory. Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a denial of service CPU consumption via one or more DNSSEC responses when there is a zone...

Amazon Linux 2023 : bind, bind-chroot, bind-devel (ALAS2023-2024-550)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-550 advisory. The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may...

Important: unbound

Issue Overview: Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a denial of service CPU consumption via one or more DNSSEC responses when there is a zone with many DNSKEY and RRSIG records, aka the "KeyTrap" issue. The protocol specification...

Important: bind

Issue Overview: The DNS message parsing code in named includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may cause excessive CPU load on the affected named instance by exploiting this flaw. This...