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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0414 grub2 security update 5 February 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: grub2 Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 UNIX variants (UNIX, Linux, OSX) Impact/Access: Modify Permissions -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-14865 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:0335 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: grub2 security update Advisory ID: RHSA-2020:0335-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:0335 Issue date: 2020-02-04 CVE Names: CVE-2019-14865 ===================================================================== 1. Summary: An update for grub2 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 BaseOS (v. 8) - aarch64, noarch, ppc64le, x86_64 3. Description: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Security Fix(es): * grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable (CVE-2019-14865) 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/): 1764925 - CVE-2019-14865 grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: grub2-2.02-78.el8_1.1.src.rpm aarch64: grub2-debuginfo-2.02-78.el8_1.1.aarch64.rpm grub2-debugsource-2.02-78.el8_1.1.aarch64.rpm grub2-efi-aa64-2.02-78.el8_1.1.aarch64.rpm grub2-efi-aa64-cdboot-2.02-78.el8_1.1.aarch64.rpm grub2-tools-2.02-78.el8_1.1.aarch64.rpm grub2-tools-debuginfo-2.02-78.el8_1.1.aarch64.rpm grub2-tools-extra-2.02-78.el8_1.1.aarch64.rpm grub2-tools-extra-debuginfo-2.02-78.el8_1.1.aarch64.rpm grub2-tools-minimal-2.02-78.el8_1.1.aarch64.rpm grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.aarch64.rpm noarch: grub2-common-2.02-78.el8_1.1.noarch.rpm grub2-efi-aa64-modules-2.02-78.el8_1.1.noarch.rpm grub2-efi-ia32-modules-2.02-78.el8_1.1.noarch.rpm grub2-efi-x64-modules-2.02-78.el8_1.1.noarch.rpm grub2-pc-modules-2.02-78.el8_1.1.noarch.rpm grub2-ppc64le-modules-2.02-78.el8_1.1.noarch.rpm ppc64le: grub2-debuginfo-2.02-78.el8_1.1.ppc64le.rpm grub2-debugsource-2.02-78.el8_1.1.ppc64le.rpm grub2-ppc64le-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-debuginfo-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-extra-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-extra-debuginfo-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-minimal-2.02-78.el8_1.1.ppc64le.rpm grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.ppc64le.rpm x86_64: grub2-debuginfo-2.02-78.el8_1.1.x86_64.rpm grub2-debugsource-2.02-78.el8_1.1.x86_64.rpm grub2-efi-ia32-2.02-78.el8_1.1.x86_64.rpm grub2-efi-ia32-cdboot-2.02-78.el8_1.1.x86_64.rpm grub2-efi-x64-2.02-78.el8_1.1.x86_64.rpm grub2-efi-x64-cdboot-2.02-78.el8_1.1.x86_64.rpm grub2-pc-2.02-78.el8_1.1.x86_64.rpm grub2-tools-2.02-78.el8_1.1.x86_64.rpm grub2-tools-debuginfo-2.02-78.el8_1.1.x86_64.rpm grub2-tools-efi-2.02-78.el8_1.1.x86_64.rpm grub2-tools-efi-debuginfo-2.02-78.el8_1.1.x86_64.rpm grub2-tools-extra-2.02-78.el8_1.1.x86_64.rpm grub2-tools-extra-debuginfo-2.02-78.el8_1.1.x86_64.rpm grub2-tools-minimal-2.02-78.el8_1.1.x86_64.rpm grub2-tools-minimal-debuginfo-2.02-78.el8_1.1.x86_64.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-2019-14865 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 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXjlt4tzjgjWX9erEAQhPrw/+LaAgWherIsntm1zVxTgUq01gHvb2WPY8 Q3dQStmnn/j1Jujbjg7HTpQ3BL9t3Lq1joI3I0wFqrsWGKf2CdK9pRZGlpqUN435 9bSKNNM8UDH09YJ5FGD5lWC6hVP+qcLVUPnFQEXkSja5tc/bhiJDswXc8KHTAit4 sR6tcRrM3dwTpW6pwFnjKfFItihHpQRybX6YcfB5bRITc9U2uaRk0/iuotrB0RFp 28c62ocQox16CelSQorI8LOKVqGmMPeQ1pekffocOo1lMc/LVhELWC32FUYbXOHU w78jwPgYoHt6b6F4gHf9ULPMs1ALQlpjDpwfgjbZDy8f1AtRgOzgIU/IbP0fRm07 07u8yIHohgJWuJofstavUnJ1bWPFwURfe62yQT7GpWDYcLeMMKit3hWBKTex+DfJ rKxUarekH8DoFmBwJfJpzrsEM46f0y9ZUHyHVD4HZJH+HDfqchnbWYfVwFVhW2tl fkOmbgIU6cnQEnkhQ0/2qT1ESg0LiaNYhaIczLRVO5idgoq0ilh/4n8EXvAKohDS 6weI3nX0H3EeokLecYa7kHwhPmYwOs5tiZq9RqF9Dc68RQj3O6g+mERWJodDaFtK Ew1S/GMbowhSCMCDYnSrfO1V1c9YIBxwgeEaIAyWOVx7DhALOOS0FG2/oLnasDt+ 89Of7g6gemQ= =reIX - -----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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