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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1167 OpenShift Container Platform 4.3.9 ose-openshift-apiserver-container security update 2 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: ose-openshift-apiserver-container Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-8552 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0933 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: OpenShift Container Platform 4.3.9 ose-openshift-apiserver-container security update Advisory ID: RHSA-2020:0933-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2020:0933 Issue date: 2020-04-01 CVE Names: CVE-2020-8552 ===================================================================== 1. Summary: An update for ose-openshift-apiserver-container is now available for Red Hat OpenShift Container Platform 4.3. 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. 2. Description: Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Security Fix(es): * kubernetes: Use of unbounded 'client' label in apiserver_request_total allowed for memory exhaustion (CVE-2020-8552) 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. 3. Solution: For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.9, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-rel ease-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster - - -cli.html. 4. Bugs fixed (https://bugzilla.redhat.com/): 1797909 - CVE-2020-8552 kubernetes: Use of unbounded 'client' label in apiserver_request_total allows for memory exhaustion 5. References: https://access.redhat.com/security/cve/CVE-2020-8552 https://access.redhat.com/security/updates/classification/#moderate 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXoTi4NzjgjWX9erEAQiGFRAAnM2Vrjzl4wRvXqKfEZPFGpTkOTl0bUuX F9A6Bdr86waj7m8BM3iix+71hRa0ARzh3iOusqnEEPD7H58JBNhLkmL/YkOIEigN eDaAHb1dWaZm/X//G6HkXvenAxKGX0AkdbZg67ZSdJzjxnGrj7rIDsGznXCMBauh yDd/uhKXetfLtLSiLnf6ZI16Ea9Ry1ieVRyK5s/qD1kq8erE5sl2zvsFZuaFsKYM BLybe5+gaC3UBFqwqb0KpZziNdaj5TK704rV4lbM/8/lWtBBtIh7LXMirp286TV3 0EUnueBjja+8IOeOFzfF6Rn7VAm926n1U2xcLjtPGni/1zblmlSpbXHTkhpHrirf 8McI7bwbUbeGFUNh0FklqPfCL2KMXybSMJWM+djAjxkPs+cS73pizgEK2fCRg7JE +vd5tPHf+2Fd0pY8HAY7F8mfjzsQixDAYJjhhCxsGzqv/KuYU/ZAzcch9MfvQs3t S17USBdacqGG9rHWZCDKUOx/VDc999shSExSHHgkbVg43jfcjFDy7Taj1U3qiVTh EAi2ZpPnNI7H50zOyuDSbHXr/nuojDdmzmvoqjtDgpX1oc0ysT18hfIqX/ZcHUol PKKrLrZ3376E/kPuwgXqIIfSWJJs5aqKNZeanrXlmR2XwR7wgy5aF72qrCHCvnLe AJCS0O9dSAs= =AvMh - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXoVUs2aOgq3Tt24GAQh5JA//ahSEMKgwzZAIUOfJMwg9rh8lsJ+JfNlp zfeQdWLs2v9OLmANqXUdgngMaNZVBIAexv95VrHKEbwYLBEudqZ1KCBHhIo3tRqk 7Uwoy/65wC5trduvrug6BJKlOT3oRm7vMdFdtZrT/pQkfll4Ty3ss7MaD6tsgYcu tNZbxkQ3cq20Lp4TvpW70a9So2JHa8Pa2XPkb6Kf0H1BEwIJIF42nlUqw0T6iyNF dcl+Hqqplf88VH332HecppSfKbH4okNrOTIc3kRFXrANrko4fgmp6Ot2gheCq7Md Q8AI85HgBQh1eyt2dZ3TenNRAErJ2PFdpcY+det5Tjgun0txcKPc/VVKasH1bxwd ZEBOZUWvDtwrsX1h1ZHElammVSb8u/nftd1t4tpbBRHdc2igQxHR9W3rjyj58yMW moDjPHRlq1e2Ebnej8I9YQ3mrvd9DFOQcpsdndDxuji7egCwPZXLgHqrpylNWoiS dlXMXDh9KgN4TdVONtBWjGtDZi3pV4lsytI68HaWOhkbH5A0XNsC2+4xU65j2kT+ zpDcfBLGpqJeXJV6celPOvOToxosgTozOiUPqYB3z+/bU+Zjaj+PX9QroiBWw5/p km/c3C/gCa1kWklD0naGQzoNVmPeiDJ8xX09WzVbciSguCYl7C2JNhr5hOFm652T MixnnFveW0U= =oAFg -----END PGP SIGNATURE-----