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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2263 fwupd security update 30 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: fwupd Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Unauthorised Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-20233 CVE-2021-20225 CVE-2020-27779 CVE-2020-27749 CVE-2020-25647 CVE-2020-25632 CVE-2020-14372 Reference: ESB-2021.2178 ESB-2021.1739 ESB-2021.0753 ESB-2021.0748 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:2566 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: fwupd security update Advisory ID: RHSA-2021:2566-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:2566 Issue date: 2021-06-29 CVE Names: CVE-2020-14372 CVE-2020-25632 CVE-2020-25647 CVE-2020-27749 CVE-2020-27779 CVE-2021-20225 CVE-2021-20233 ===================================================================== 1. Summary: An update for fwupd 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, ppc64le, s390x, x86_64 3. Description: The fwupd packages provide a service that allows session software to update device firmware. Security Fix(es): * grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled (CVE-2020-14372) * grub2: Use-after-free in rmmod command (CVE-2020-25632) * grub2: Out-of-bounds write in grub_usb_device_initialize() (CVE-2020-25647) * grub2: Stack buffer overflow in grub_parser_split_cmdline() (CVE-2020-27749) * grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled (CVE-2020-27779) * grub2: Heap out-of-bounds write in short form option parser (CVE-2021-20225) * grub2: Heap out-of-bounds write due to miscalculation of space required for quoting (CVE-2021-20233) 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/): 1873150 - CVE-2020-14372 grub2: acpi command allows privileged user to load crafted ACPI tables when Secure Boot is enabled 1879577 - CVE-2020-25632 grub2: Use-after-free in rmmod command 1886936 - CVE-2020-25647 grub2: Out-of-bounds write in grub_usb_device_initialize() 1899966 - CVE-2020-27749 grub2: Stack buffer overflow in grub_parser_split_cmdline() 1900698 - CVE-2020-27779 grub2: cutmem command allows privileged user to remove memory regions when Secure Boot is enabled 1924696 - CVE-2021-20225 grub2: Heap out-of-bounds write in short form option parser 1926263 - CVE-2021-20233 grub2: Heap out-of-bounds write due to miscalculation of space required for quoting 6. Package List: Red Hat Enterprise Linux BaseOS (v. 8): Source: fwupd-1.5.9-1.el8_4.src.rpm aarch64: fwupd-1.5.9-1.el8_4.aarch64.rpm fwupd-debuginfo-1.5.9-1.el8_4.aarch64.rpm fwupd-debugsource-1.5.9-1.el8_4.aarch64.rpm fwupd-tests-debuginfo-1.5.9-1.el8_4.aarch64.rpm ppc64le: fwupd-1.5.9-1.el8_4.ppc64le.rpm fwupd-debuginfo-1.5.9-1.el8_4.ppc64le.rpm fwupd-debugsource-1.5.9-1.el8_4.ppc64le.rpm s390x: fwupd-1.5.9-1.el8_4.s390x.rpm fwupd-debuginfo-1.5.9-1.el8_4.s390x.rpm fwupd-debugsource-1.5.9-1.el8_4.s390x.rpm fwupd-tests-debuginfo-1.5.9-1.el8_4.s390x.rpm x86_64: fwupd-1.5.9-1.el8_4.x86_64.rpm fwupd-debuginfo-1.5.9-1.el8_4.x86_64.rpm fwupd-debugsource-1.5.9-1.el8_4.x86_64.rpm fwupd-tests-debuginfo-1.5.9-1.el8_4.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-2020-14372 https://access.redhat.com/security/cve/CVE-2020-25632 https://access.redhat.com/security/cve/CVE-2020-25647 https://access.redhat.com/security/cve/CVE-2020-27749 https://access.redhat.com/security/cve/CVE-2020-27779 https://access.redhat.com/security/cve/CVE-2021-20225 https://access.redhat.com/security/cve/CVE-2021-20233 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/security/vulnerabilities/RHSB-2021-003 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 iQIVAwUBYNtMGdzjgjWX9erEAQhFURAAj7V2Ey5EAas6E3xU1Gji7Peci9WBl/Zz 1zl9ywqDOYiQU9BGMBTIdlitpPcsQhmzOSBhH11gFltPDAp8bCWx3b8zYpuX4szi K/3xKdSSdPsFkXrNtWl8fT0kzEJ7Gmggbidkk5j2P5KrWFPKAOVn3oVvtHSd94LM E9eFm69DGSn3omLeHdX68H+whkaCTXDwuMGp+UqrsjabO20UG7xt+p+C4pYDcHA1 cxYmhqxub1OgKoS9621KTW6F4A0rzEZBS3tCgcyUbRdG1Wt/tACBWq/MCX0bJeIV lvRZzhRUWbuNfO87ci9KAJNdHoPevm9SBPGAu1KR5o+6TUXOjrRzMFj+YMj9/vGF SKdMH8chGJzFwSoiGmR2yhmhJX6kXA3s6yClgt+jXzuJroptclksF5mgDJPF7bju quXApBHavoe8aA8BW1jkoeNBxKRIfyPnFFsSlfVU4Uxr2AmVeFB9xutzdrwzON54 x2aUKg2odsGRK1s/USdd2pwIlYXexH4+TDJizWADbhgOwr6YPa/NGndeuVTfGm2q d61+O3N1LRABPNSICaz4iOPGEIc+VNhC1G6Ja7cw7iSQivY4K8Ax2OHn5oUHZjBJ QWPApA3mlAycsWrVK9dXRJkKmuxb/dozfyT9tb7vnCsjUHhmd804TZWRef94uqRM QIjdKuBa8qc= =u8kT - -----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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