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Red Hat Security Advisory 2024-4023-03
Red Hat Security Advisory 2024-4023-03 - Red Hat openshift-serverless-clients kn 1.33.0 is now available. Issues addressed include denial of service and memory exhaustion vulnerabilities.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4023.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: Release of openshift-serverless-clients kn 1.33.0 security update & enhancementsAdvisory ID: RHSA-2024:4023-03Product: Red Hat OpenShift ServerlessAdvisory URL: https://access.redhat.com/errata/RHSA-2024:4023Issue date: 2024-06-20Revision: 03CVE Names: CVE-2023-45288====================================================================Summary: Red Hat openshift-serverless-clients kn 1.33.0 is now available.Red Hat Product Security has rated this update as having a security impact ofImportant. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.Description:Red Hat OpenShift Serverless Client kn 1.33.0 provides a CLI to interact withRed Hat OpenShift Serverless 1.33.0. The kn CLI is delivered as an RPM packagefor installation on RHEL platforms, and as binaries for non-Linux platforms.This release includes security, bug fixes, and enhancements.Security Fix(es):* golang: net/http, x/net/http2: unlimited number of CONTINUATION frames causes DoS (CVE-2023-45288)* golang: html/template: errors returned from MarshalJSON methods may break template escaping (CVE-2024-24785)* golang: net/mail: comments in display names are incorrectly handled (CVE-2024-24784)* golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm (CVE-2024-24783)* golang: net/http/cookiejar: incorrect forwarding of sensitive headers and cookies on HTTP redirect (CVE-2023-45289)* golang: net/http: memory exhaustion in Request.ParseMultipartForm (CVE-2023-45290)A Red Hat Security Bulletin, which addresses further details about the RapidReset flaw is available in the References section.For more details about the security issue(s), including the impact, a CVSSscore, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Solution:https://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1CVEs:CVE-2023-45288References:https://access.redhat.com/security/updates/classification/#importanthttps://access.redhat.com/documentation/en-us/red_hat_openshift_serverless/1https://bugzilla.redhat.com/show_bug.cgi?id=2268017https://bugzilla.redhat.com/show_bug.cgi?id=2268018https://bugzilla.redhat.com/show_bug.cgi?id=2268019https://bugzilla.redhat.com/show_bug.cgi?id=2268021https://bugzilla.redhat.com/show_bug.cgi?id=2268022https://bugzilla.redhat.com/show_bug.cgi?id=2268273https://bugzilla.redhat.com/show_bug.cgi?id=2277862Related 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.