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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2270 edk2 security update 30 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: edk2 Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-28211 Reference: ESB-2021.2246 ESB-2021.2200 ESB-2021.1482 ESB-2021.1335 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2591 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: edk2 security update Advisory ID: RHSA-2021:2591-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2591 Issue date: 2021-06-29 CVE Names: CVE-2021-28211 ===================================================================== 1. Summary: An update for edk2 is now available for Red Hat Enterprise Linux 8. 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. Relevant releases/architectures: Red Hat Enterprise Linux AppStream (v. 8) - noarch 3. Description: EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fix(es): * edk2: possible heap corruption with LzmaUefiDecompressGetInfo (CVE-2021-28211) 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. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1883529 - CVE-2021-28211 edk2: possible heap corruption with LzmaUefiDecompressGetInfo 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: edk2-20200602gitca407c7246bf-4.el8_4.1.src.rpm noarch: edk2-aarch64-20200602gitca407c7246bf-4.el8_4.1.noarch.rpm edk2-ovmf-20200602gitca407c7246bf-4.el8_4.1.noarch.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-28211 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYNtGJtzjgjWX9erEAQiRpQ/+KEOUt5tkBTSabekGvGLxDMg0CBUOPmxR FnT/RvC4NrNwWHQVPAo/Ax8wSxmr0vQSUSnkebnVAt5svy6t2UVeLxIKJghMYdKo 0Au3xo3V0e5+KvxTH5rFVCmZtl1mWPzFGGK8XkBIn4F2MwPDuE2+QNX3R6KFvopw dFDgfvX69rdPXMSXowbGCyuq63Sses/nhfRD9MSZIb4/Bf/m+T86cggep7ugEbYF uC8UoFinXd2AcmlyHjcr4FXvvDsr/bJ33Eg/ld0pt/lQgzRDX/l8o91ZuVsuFZqO HIwSrp+97blZTxMN0oUE7VzPb2ozOQTqPDy2XA+UmYqH+V1fteC2He0msHN6BGXB MvKHKcbj6FapNfw0T1BCMZctDKKu4BHpUakscYDOvm2BC+yUFlKnIiqxZtx5HQjn yLCykKpVFH1SDBubVw1t9xAD25ybDvKGJd6Nn7jnw/ajBxQDqi++Fqsi9/zOCvYi o/YFhoC5H3GVlfZnc5elGuHIrvQZVEoeVvzsKPfVCN3WhWBS7cOP5jPg0m+6rFgI 1yYh4nDIiPmOUjlBPhiiVA36IPukm/gM93dIb/jeSZUIPjd0FNUYVARvBS0wKYDl bkjNKt7HYoAR3MyEnGhnFJVCL1xgw9fzWAAWpDxWv7kDzx3vqjr2Zq3AamW91e32 q8LdfEUPawQ= =xq5y - -----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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