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SUSE-SU-2023:2150-1 -- SLES shim

ID: oval:org.secpod.oval:def:89048824Date: (C)2023-06-02   (M)2024-01-23
Class: PATCHFamily: unix




This update for shim fixes the following issues: * Updated shim signature after shim 15.7 be signed back: signature- sles.x86_64.asc, signature-sles.aarch64.asc * Add POST_PROCESS_PE_FLAGS=-N to the build command in shim.spec to disable the NX compatibility flag when using post-process-pe because grub2 is not ready. * Enable the NX compatibility flag by default. Update to 15.7 : * Make SBAT variable payload introspectable * Reference MokListRT instead of MokList * Add a link to the test plan in the readme. * [V3] Enable TDX measurement to RTMR register * Discard load-options that start with a NUL * Fixed load_cert_file bugs * Add -malign-double to IA32 compiler flags * pe: Fix image section entry-point validation * make-archive: Build reproducible tarball * mok: remove MokListTrusted from PCR 7 Other fixes: * Support enhance shim measurement to TD RTMR. * shim-install: ensure grub.cfg created is not overwritten after installing grub related files * Add logic to shim.spec to only set sbat policy when efivarfs is writeable. * Add logic to shim.spec for detecting --set-sbat-policy option before using mokutil to set sbat policy. * Change the URL in SBAT section to mail:security at suse.de. Update to 15.6 : * MokManager: removed Locate graphic output protocol fail error message * shim: implement SBAT verification for the shim_lock protocol * post-process-pe: Fix a missing return code check * Update github actions matrix to be more useful * post-process-pe: Fix format string warnings on 32-bit platforms * Allow MokListTrusted to be enabled by default * Re-add ARM AArch64 support * Use ASCII as fallback if Unicode Box Drawing characters fail * make: don"t treat cert.S specially * shim: use SHIM_DEVEL_VERBOSE when built in devel mode * Break out of the inner sbat loop if we find the entry. * Support loading additional certificates * Add support for NX mitigations. * Fix preserve_sbat_uefi_variable logic * SBAT Policy latest should be a one-shot * pe: Fix a buffer overflow when SizeOfRawData greater than VirtualSize * pe: Perform image verification earlier when loading grub * Update advertised sbat generation number for shim * Update SBAT generation requirements for 05/24/22 * Also avoid CVE-2022-28737 in verify_image by @vathpela Update to 15.5 : * Broken ia32 relocs and an unimportant submodule change. * mok: allocate MOK config table as BootServicesData * Don"t call QueryVariableInfo on EFI 1.10 machines * Relax the check for import_mok_state * SBAT.md: trivial changes * shim: another attempt to fix load options handling * Add tests for our load options parsing. * arm/aa64: fix the size of .rela* sections * mok: fix potential buffer overrun in import_mok_state * mok: relax the maximum variable size check * Don"t unhook ExitBootServices when EBS protection is disabled * fallback: find_boot_option needs to return the index for the boot entry in optnum * httpboot: Ignore case when checking HTTP headers * Fallback allocation errors * shim: avoid BOOTx64.EFI in message on other architectures * str: remove duplicate parameter check * fallback: add compile option FALLBACK_NONINTERACTIVE * Test mok mirror * Modify sbat.md to help with readability. * csv: detect end of csv file correctly * Specify that the .sbat section is ASCII not UTF-8 * tests: add "include-fixed" GCC directory to include directories * pe: simplify generate_hash * Don"t make shim abort when TPM log event fails * Fallback to default loader if parsed one does not exist * fallback: Fix for BootOrder crash when index returned * Better console checks * docs: update SBAT UEFI variable name * Don"t parse load options if invoked from removable media path * fallback: fix fallback not passing arguments of the first boot option * shim: Don"t stop forever at "Secure Boot not enabled" notification * Allocate mokvar table in runtime memory. * Remove post-process-pe on "make clean" * pe: missing perror argument * CVE-2022-28737: Fixed a buffer overflow when SizeOfRawData greater than VirtualSize * Add mokutil command to post script for setting sbat policy to latest mode when the SbatPolicy-605dab50-e046-4300-abb6-3dd810dd8b23 is not created. * Updated vendor dbx binary and script * Updated dbx-cert.tar.xz and vendor-dbx-sles.bin for adding SLES-UEFI-SIGN- Certificate-2021-05.crt to vendor dbx list. * Updated dbx-cert.tar.xz and vendor-dbx-opensuse.bin for adding openSUSE- UEFI-SIGN-Certificate-2021-05.crt to vendor dbx list. * Updated vendor-dbx.bin for adding SLES-UEFI-SIGN-Certificate-2021-05.crt and openSUSE-UEFI-SIGN-Certificate-2021-05.crt for testing environment. * Updated generate-vendor-dbx.sh script for generating a vendor-dbx.bin file which includes all .der for testing environment. * avoid buffer overflow when copying data to the MOK config table * Disable exporting vendor-dbx to MokListXRT since writing a large RT variable could crash some machines * ignore the odd LoadOptions length * shim-install: reset def_shim_efi to "shim.efi" if the given file doesn"t exist * relax the maximum variable size check for u-boot * handle ignore_db and user_insecure_mode correctly * Split the keys in vendor-dbx.bin to vendor-dbx-sles and vendor-dbx-opensuse for shim-sles and shim-opensuse to reduce the size of MokListXRT * Also update generate-vendor-dbx.sh in dbx-cert.tar.xz Update shim to 15.4-4.7.1, Version: 15.4, "Thu Jul 15 2021" * Update the SLE signatures * Includes fixes for MOK and boot problems

Platform:
SUSE Linux Enterprise Server 12 SP2
Product:
shim
Reference:
SUSE-SU-2023:2150-1
CVE-2022-28737
CVE    1
CVE-2022-28737
CPE    2
cpe:/o:suse:suse_linux_enterprise_server:12:sp2
cpe:/a:shim:shim

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