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SUSE: 2024:1462-1 Important: Shim Security Update Oversight

* bsc#1198101 * bsc#1205588 * bsc#1205855 * bsc#1210382 * bsc#1213945 . # Security update for shim Announcement ID: SUSE-SU-2024:1462-1 Rating: important References: * bsc#1198101 * bsc#1205588 * bsc#1205855 * bsc#1210382 * bsc#1213945 * bsc#1215098 * bsc#1215099 * bsc#1215100 * bsc#1215101 * bsc#1215102 * bsc#1215103 * bsc#1219460 * jsc#PED-922 Cross-References: * CVE-2022-28737 * CVE-2023-40546 * CVE-2023-40547 * CVE-2023-40548 * CVE-2023-40549 * CVE-2023-40550 * CVE-2023-40551 CVSS scores: * CVE-2022-28737 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2022-28737 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H * CVE-2023-40546 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H * CVE-2023-40546 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2023-40547 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H * CVE-2023-40547 ( NVD ): 8.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H * CVE-2023-40548 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H * CVE-2023-40548 ( NVD ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H * CVE-2023-40549 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H * CVE-2023-40549 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H * CVE-2023-40550 ( SUSE ): 4.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H * CVE-2023-40550 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N * CVE-2023-40551 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H * CVE-2023-40551 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H Affected Products: * SUSE Linux Enterprise High Performance Computing 12 SP5 * SUSE Linux Enterprise Server 12 SP5 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 An update that solves seven vulnerabilities, contains one feature and has five security fixes can now be installed. ## Description: This update for shim fixes the following issues: * Updateshim-install to set the TPM2 SRK algorithm (bsc#1213945) * Limit the requirement of fde-tpm-helper-macros to the distro with suse_version 1600 and above (bsc#1219460) Update to version 15.8: Security issues fixed: * mok: fix LogError() invocation (bsc#1215099,CVE-2023-40546) * avoid incorrectly trusting HTTP headers (bsc#1215098,CVE-2023-40547) * Fix integer overflow on SBAT section size on 32-bit system (bsc#1215100,CVE-2023-40548) * Authenticode: verify that the signature header is in bounds (bsc#1215101,CVE-2023-40549) * pe: Fix an out-of-bound read in verify_buffer_sbat() (bsc#1215102,CVE-2023-40550) * pe-relocate: Fix bounds check for MZ binaries (bsc#1215103,CVE-2023-40551) The NX flag is disable which is same as the default value of shim-15.8, hence, not need to enable it by this patch now. * Generate dbx during build so we don't include binary files in sources * Don't require grub so shim can still be used with systemd-boot * Update shim-install to fix boot failure of ext4 root file system on RAID10 (bsc#1205855) * Adopt the macros from fde-tpm-helper-macros to update the signature in the sealed key after a bootloader upgrade * Update shim-install to amend full disk encryption support * Adopt TPM 2.0 Key File for grub2 TPM 2.0 protector * Use the long name to specify the grub2 key protector * cryptodisk: support TPM authorized policies * Do not use tpm_record_pcrs unless the command is in command.lst * Removed POST_PROCESS_PE_FLAGS=-N from the build command in shim.spec to enable the NX compatibility flag when using post-process-pe after discussed with grub2 experts in mail. It's useful for further development and testing. (bsc#1205588) ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * SUSE Linux Enterprise Server for SAP Applications 12 SP5 zypper in -t patchSUSE-SLE-SERVER-12-SP5-2024-1462=1 * SUSE Linux Enterprise High Performance Computing 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1462=1 * SUSE Linux Enterprise Server 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1462=1 ## Package List: * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64) * shim-15.8-25.30.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64) * shim-15.8-25.30.1 * SUSE Linux Enterprise Server 12 SP5 (x86_64) * shim-15.8-25.30.1 ## References: * https://www.suse.com/security/cve/CVE-2022-28737.html * https://www.suse.com/security/cve/CVE-2023-40546.html * https://www.suse.com/security/cve/CVE-2023-40547.html * https://www.suse.com/security/cve/CVE-2023-40548.html * https://www.suse.com/security/cve/CVE-2023-40549.html * https://www.suse.com/security/cve/CVE-2023-40550.html * https://www.suse.com/security/cve/CVE-2023-40551.html * https://bugzilla.suse.com/show_bug.cgi?id=1198101 * https://bugzilla.suse.com/show_bug.cgi?id=1205588 * https://bugzilla.suse.com/show_bug.cgi?id=1205855 * https://bugzilla.suse.com/show_bug.cgi?id=1210382 * https://bugzilla.suse.com/show_bug.cgi?id=1213945 * https://bugzilla.suse.com/show_bug.cgi?id=1215098 * https://bugzilla.suse.com/show_bug.cgi?id=1215099 * https://bugzilla.suse.com/show_bug.cgi?id=1215100 * https://bugzilla.suse.com/show_bug.cgi?id=1215101 * https://bugzilla.suse.com/show_bug.cgi?id=1215102 * https://bugzilla.suse.com/show_bug.cgi?id=1215103 * https://bugzilla.suse.com/show_bug.cgi?id=1219460 * https://jira.suse.com/login.jsp?permissionViolation=true&os_destination=%2Fbrowse%2FPED-922&page_caps=&user_role= . A recent security patch for shim addresses multiple vulnerabilities and enhances overall system stability. It is advisable to install using zypper.. SUSE Linux, Shim Security, System Integrity, Patch Updates. . Severity: Important. LinuxSecurity.com Team

Apr 29, 2024 •Important SuSE