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Red Hat Security Advisory 2023-6233-01
Red Hat Security Advisory 2023-6233-01 - Red Hat OpenShift Container Platform low-latency extras release 4.12, which provides an update for cnf-tests-container, performance-addon-operator-must-gather-rhel8-container, NUMA-aware secondary scheduler and numaresources-operator, is now available. Issues addressed include a denial of service vulnerability.
The following data is constructed from data provided by Red Hat's json file at:https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_6233.jsonRed Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis: Important: Red Hat OpenShift Enterprise security updateAdvisory ID: RHSA-2023:6233-01Product: Red Hat OpenShift EnterpriseAdvisory URL: https://access.redhat.com/errata/RHSA-2023:6233Issue date: 2023-11-01Revision: 01CVE Names: CVE-2023-39325====================================================================Summary: Red Hat OpenShift Container Platform low-latency extras release 4.12, which provides an update for cnf-tests-container, performance-addon-operator-must-gather-rhel8-container, NUMA-aware secondary scheduler and numaresources-operator, is now available.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 the CVE link(s) in the References section.Description: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 extra low-latency container images for Red Hat OpenShift Container Platform 4.12. See the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2023:6126Security Fix(es):* golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325)* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.All OpenShift Container Platform users are advised to upgrade to these updated packages and images.Solution:https://docs.openshift.com/container-platform/4.12/release_notes/ocp-4-12-release-notes.htmlCVEs:CVE-2023-39325References:https://access.redhat.com/security/updates/classification/#importanthttps://access.redhat.com/security/vulnerabilities/RHSB-2023-003Related news
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Debian Linux Security Advisory 5522-2 - The patch to address CVE-2023-44487 (Rapid Reset Attack) was incomplete and caused a regression when using asynchronous I/O (the default for NIO and NIO2). DATA frames must be included when calculating the HTTP/2 overhead count to ensure that connections are not prematurely terminated.
Plus, many of the world’s largest cloud providers are warning of a vulnerability that attackers exploited in August to launch the largest distributed denial-of-service attack on record.
Amazon Web Services (AWS), Cloudflare, and Google on Tuesday said they took steps to mitigate record-breaking distributed denial-of-service (DDoS) attacks that relied on a novel technique called HTTP/2 Rapid Reset. The layer 7 attacks were detected in late August 2023, the companies said in a coordinated disclosure. The cumulative susceptibility to this attack is being tracked as CVE-2023-44487,
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.