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Red Hat Security Advisory 2024-5405-03
Red Hat Security Advisory 2024-5405-03 - An update for OpenShift Jenkins is now available for Red Hat Product OCP Tools 4.15. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link in the References section.
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_5405.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: Critical: Red Hat Product OCP Tools 4.15 OpenShift Jenkins security updateAdvisory ID: RHSA-2024:5405-03Product: OpenShift JenkinsAdvisory URL: https://access.redhat.com/errata/RHSA-2024:5405Issue date: 2024-08-15Revision: 03CVE Names: CVE-2024-43044====================================================================Summary: An update for OpenShift Jenkins is now available for Red Hat Product OCP Tools 4.15.Red Hat Product Security has rated this update as having a security impact of Critical.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:Jenkins is a continuous integration server that monitors executions of repeated jobs, such as building a software project or jobs run by cron.Security Fix(es):* jenkins: Arbitrary file read vulnerability through agent connections can lead to RCE (CVE-2024-43044)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2024-43044References:https://access.redhat.com/security/updates/classification/#criticalhttps://bugzilla.redhat.com/show_bug.cgi?id=2303466Related news
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Jenkins uses the Remoting library (typically `agent.jar` or `remoting.jar`) for the communication between controller and agents. This library allows agents to load classes and classloader resources from the controller, so that Java objects sent from the controller (build steps, etc.) can be executed on agents. In addition to individual class and resource files, Remoting also allows Jenkins plugins to transmit entire jar files to agents using the `Channel#preloadJar` API. As of publication of this advisory, this feature is used by the following plugins distributed by the Jenkins project: bouncycastle API, Groovy, Ivy, TeamConcert In Remoting 3256.v88a_f6e922152 and earlier, except 3206.3208.v409508a_675ff and 3248.3250.v3277a_8e88c9b_, included in Jenkins 2.470 and earlier, LTS 2.452.3 and earlier, calls to `Channel#preloadJar` result in the retrieval of files from the controller by the agent using `ClassLoaderProxy#fetchJar`. Additionally, the implementation of `ClassLoaderProxy#fetc...