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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2691 OpenShift Container Platform 4.3.31 openshift-enterprise-hyperkube-container security update 6 August 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OpenShift Container Platform 4.3.31 openshift-enterprise-hyperkube-container Publisher: Red Hat Operating System: Red Hat Impact/Access: Denial of Service -- Existing Account Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-12049 CVE-2020-8558 Reference: ESB-2020.2663 ESB-2020.2555 ESB-2020.2490 ESB-2020.2375 ESB-2020.2374 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:3184 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: OpenShift Container Platform 4.3.31 openshift-enterprise-hyperkube-container security update Advisory ID: RHSA-2020:3184-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2020:3184 Issue date: 2020-08-05 CVE Names: CVE-2020-8558 CVE-2020-12049 ===================================================================== 1. Summary: An update for openshift-enterprise-hyperkube-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: A flaw was found in Kubernetes that allows attackers on adjacent networks to reach services exposed on localhost ports, previously thought to be unreachable. This flaw allows an attacker to gain privileges or access confidential information for any services listening on localhost ports that are not protected by authentication. (CVE-2020-8558) 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 4.3.32, 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/): 1843358 - CVE-2020-8558 kubernetes: node localhost services reachable via martian packets 5. References: https://access.redhat.com/security/cve/CVE-2020-8558 https://access.redhat.com/security/cve/CVE-2020-12049 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 iQIVAwUBXyqJwtzjgjWX9erEAQiLZA//dXhltft7KkqjvmC5TDHwOVPDGpox8npy irnzXLlcSVTL1MSVGBBEkpmskijBOil0B14tZBbL31F6aD+PnF1VGpNgMzFsY5bL 7Pm+xi8I0DsKcHDO4dP1JmtMASwukLxuT05JZy/C+zSaZwfPUdw3CR8q476SOpZj 5/iylf37q2HtaFt2FwpEiRDaudeBcI+nNZAcK9Br8CG1nLfLoO3yf1ZvwgCvdu1s 6Ep3vXHd6oMafs/f355Ed52RNvrrTT6XJwYDEFRiT1iqpSpSDD6qBMwO64rDr5GT Qcad/8PJ8AcqCg8t91rqAltKzwmxYQSfgsMUVG3OyFWOROf/RRUZ94yXuo9uEf6T Qn71xg5ltin0og2Ytsdp5Tt6Z4vb/Y8iuR8kEXfnCoR12YTRHPpP6D+L4WaYl/nE O6brwDEm+oRbgletQSWSVpZOOOBIUrInZZzja9V9PRo+jUPsRF9ivZdVnjzOlI6I 6fxKJYBFmNlfa0XLbM/BGIRfF/39kzopUgOrCSNT0Iddvo0wpfxHbwUdtufTMpX6 6iTUyxxKA+ilr4w0JMlmrWi8Bq5HY4U8dozdtB3T4u3ICV2ziiEEIeQ3Nz8uwIC+ NgubCAFK6Gc5NYWUVo+cvOgiW3CDCTeSY+anQrRmZehPdkz2CWBy52LeGQo3OESA nUS/Sa3mz8o= =lj2G - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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). 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