Headline
Red Hat Security Advisory 2024-0292-03
Red Hat Security Advisory 2024-0292-03 - Red Hat build of MicroShift release 4.14.10 is now available with updates to packages and images that fix several bugs.
The following advisory data is extracted from:
https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0292.json
Red 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
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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.14.10 security update
Advisory ID: RHSA-2024:0292-03
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2024:0292
Issue date: 2024-01-24
Revision: 03
CVE Names: CVE-2023-29409
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Summary:
Red Hat build of MicroShift release 4.14.10 is now available with updates to packages and images that fix several bugs.
This release includes a security update for Red Hat build of MicroShift 4.14.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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 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 4.14.10. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHSA-2024:0290
Security Fix(es):
- golang: crypto/tls: slow verification of certificate chains containing
large RSA keys (CVE-2023-29409)
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 of the bug fixes may not be documented in this advisory. See the following release notes documentation for details about these changes:
https://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.14/html/release_notes/index
All Red Hat build of MicroShift 4.14 users are advised to use these updated packages and images when they are available in the RPM repository.
Solution:
https://access.redhat.com/articles/11258
CVEs:
CVE-2023-29409
References:
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2228743
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Extremely large RSA keys in certificate chains can cause a client/server to expend significant CPU time verifying signatures. With fix, the size of RSA keys transmitted during handshakes is restricted to <= 8192 bits. Based on a survey of publicly trusted RSA keys, there are currently only three certificates in circulation with keys larger than this, and all three appear to be test certificates that are not actively deployed. It is possible there are larger keys in use in private PKIs, but we target the web PKI, so causing breakage here in the interests of increasing the default safety of users of crypto/tls seems reasonable.