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CVE-2022-3094

Status Candidate

Overview

Sending a flood of dynamic DNS updates may cause `named` to allocate large amounts of memory. This, in turn, may cause `named` to exit due to a lack of free memory. We are not aware of any cases where this has been exploited. Memory is allocated prior to the checking of access permissions (ACLs) and is retained during the processing of a dynamic update from a client whose access credentials are accepted. Memory allocated to clients that are not permitted to send updates is released immediately upon rejection. The scope of this vulnerability is limited therefore to trusted clients who are permitted to make dynamic zone changes. If a dynamic update is REFUSED, memory will be released again very quickly. Therefore it is only likely to be possible to degrade or stop `named` by sending a flood of unaccepted dynamic updates comparable in magnitude to a query flood intended to achieve the same detrimental outcome. BIND 9.11 and earlier branches are also affected, but through exhaustion of internal resources rather than memory constraints. This may reduce performance but should not be a significant problem for most servers. Therefore we don't intend to address this for BIND versions prior to BIND 9.16. This issue affects BIND 9 versions 9.16.0 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.8-S1 through 9.16.36-S1.

Related Files

Red Hat Security Advisory 2023-7177-01
Posted Nov 15, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7177-01 - An update for bind is now available for Red Hat Enterprise Linux 8. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2022-3094
SHA-256 | 353d3d0c0563635c2efce9824d3ecfc2d51b339ccf3e45cb868cc59079277337
Red Hat Security Advisory 2023-2792-01
Posted May 16, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2792-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2022-2795, CVE-2022-3094, CVE-2022-3736, CVE-2022-3924
SHA-256 | 50c83c451bb40556edd3e4cf24d8c488c12b1f5a3da18c7b2f4a812f7642130c
Red Hat Security Advisory 2023-2261-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2261-01 - The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2022-2795, CVE-2022-3094, CVE-2022-3736, CVE-2022-3924
SHA-256 | cd26eaae5df7974a2efe69f6776d0bf7941104ffe06e1391b7506cc3f2096b22
Red Hat Security Advisory 2023-0777-01
Posted Feb 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0777-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.9.56. Issues addressed include bypass, code execution, cross site request forgery, cross site scripting, denial of service, deserialization, and improper authorization vulnerabilities.

tags | advisory, denial of service, vulnerability, code execution, xss, csrf
systems | linux, redhat
advisories | CVE-2020-7692, CVE-2022-1471, CVE-2022-2048, CVE-2022-25857, CVE-2022-30946, CVE-2022-30952, CVE-2022-30953, CVE-2022-30954, CVE-2022-34174, CVE-2022-36882, CVE-2022-36883, CVE-2022-36884, CVE-2022-36885, CVE-2022-43401
SHA-256 | 3a8eeb8e8d119d082a4db10c5e51ebd4d57e468c790416e84f2a0365b3436e63
Red Hat Security Advisory 2023-0778-01
Posted Feb 23, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0778-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.9.56.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-7692, CVE-2022-1471, CVE-2022-2048, CVE-2022-23521, CVE-2022-25857, CVE-2022-3064, CVE-2022-30946, CVE-2022-30952, CVE-2022-30953, CVE-2022-30954, CVE-2022-34174, CVE-2022-36882, CVE-2022-36883, CVE-2022-36884
SHA-256 | b0f7f8eee987e2e6e2dcaabf7c4fe7bacb12571d25cd64b63d580c759f794a67
Red Hat Security Advisory 2023-0560-01
Posted Feb 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0560-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include bypass, cross site request forgery, cross site scripting, denial of service, deserialization, and improper authorization vulnerabilities.

tags | advisory, denial of service, vulnerability, xss, csrf
systems | linux, redhat
advisories | CVE-2020-7692, CVE-2022-25857, CVE-2022-30946, CVE-2022-30952, CVE-2022-30953, CVE-2022-30954, CVE-2022-36882, CVE-2022-36883, CVE-2022-36884, CVE-2022-36885, CVE-2022-43401, CVE-2022-43402, CVE-2022-43403, CVE-2022-43404
SHA-256 | 87d74e099c44a8fba916939b5b695bf11f9ee4557c7c18075edde2249576eb5c
Debian Security Advisory 5329-1
Posted Jan 27, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5329-1 - Several vulnerabilities were discovered in BIND, a DNS server implementation, which may result in denial of service against named.

tags | advisory, denial of service, vulnerability
systems | linux, debian
advisories | CVE-2022-3094, CVE-2022-3736, CVE-2022-3924
SHA-256 | ba64112fea14b7f12cde8326a8cfc48e62b9135aea71c2d573ae11c8f1f09c61
Ubuntu Security Notice USN-5827-1
Posted Jan 26, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5827-1 - Rob Schulhof discovered that Bind incorrectly handled a large number of UPDATE messages. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service. Borja Marcos discovered that Bind incorrectly handled certain RRSIG queries. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS and Ubuntu 22.10.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-3094, CVE-2022-3736, CVE-2022-3924
SHA-256 | 4a6c45a34899a51b8553be1c11bf1f2681e171dfab7a353c92f318d006c4067a
Red Hat Security Advisory 2023-0017-01
Posted Jan 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0017-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.8.56. Issues addressed include bypass, cross site request forgery, cross site scripting, denial of service, and man-in-the-middle vulnerabilities.

tags | advisory, denial of service, vulnerability, xss, csrf
systems | linux, redhat
advisories | CVE-2022-2048, CVE-2022-29047, CVE-2022-30945, CVE-2022-30946, CVE-2022-30948, CVE-2022-30952, CVE-2022-30953, CVE-2022-30954, CVE-2022-34174, CVE-2022-34176, CVE-2022-34177, CVE-2022-36881, CVE-2022-36882, CVE-2022-36883
SHA-256 | 100324dc37a3b8c6880e383212a38c4af09adce1dd885bc1832da298b091d2f2
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