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Red Hat Security Advisory 2024-2667-03
Red Hat Security Advisory 2024-2667-03 - Red Hat build of MicroShift release 4.15.12 is now available with updates to packages and images that include a security update.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_2667.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 build of MicroShift 4.15.12 security updateAdvisory ID: RHSA-2024:2667-03Product: Red Hat OpenShift EnterpriseAdvisory URL: https://access.redhat.com/errata/RHSA-2024:2667Issue date: 2024-05-09Revision: 03CVE Names: CVE-2023-45288====================================================================Summary: Red Hat build of MicroShift release 4.15.12 is now available with updates to packages and images that include a security update.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.Description:Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments.This advisory contains the RPM packages for Red Hat build of MicroShift 4.15.12. Read the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2024:2664For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVEpage(s) listed in the References section.Solution:https://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.15/html/release_notes/indexCVEs:CVE-2023-45288References:https://access.redhat.com/security/updates/classification/#importanthttps://bugzilla.redhat.com/show_bug.cgi?id=2268273Related news
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An attacker may cause an HTTP/2 endpoint to read arbitrary amounts of header data by sending an excessive number of CONTINUATION frames. Maintaining HPACK state requires parsing and processing all HEADERS and CONTINUATION frames on a connection. When a request's headers exceed MaxHeaderBytes, no memory is allocated to store the excess headers, but they are still parsed. This permits an attacker to cause an HTTP/2 endpoint to read arbitrary amounts of header data, all associated with a request which is going to be rejected. These headers can include Huffman-encoded data which is significantly more expensive for the receiver to decode than for an attacker to send. The fix sets a limit on the amount of excess header frames we will process before closing a connection.