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Block Debian grub binaries with SBAT < 4 #550
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(See https://bugs.debian.org/1024617) One of the Debian builds of grub bumped the SBAT to 3, but didn't include the patches needed. Add "grub.debian,4" to block those binaries. Signed-off-by: Steve McIntyre <[email protected]>
steve-mcintyre
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vathpela and
julian-klode
January 30, 2023 18:20
julian-klode
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lgtm
frozencemetery
approved these changes
Feb 7, 2023
8 tasks
Hi, Wouldn't "grub.debian,2" be enough? |
I mean in both grub's .sbat section and shim's revocations |
8 tasks
vathpela
added a commit
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Jan 23, 2024
What's changed * Various CVE fixes: CVE-2023-40546 mok: fix LogError() invocation CVE-2023-40547 - avoid incorrectly trusting HTTP headers CVE-2023-40548 Fix integer overflow on SBAT section size on 32-bit system CVE-2023-40549 Authenticode: verify that the signature header is in bounds. CVE-2023-40550 pe: Fix an out-of-bound read in verify_buffer_sbat() CVE-2023-40551: pe-relocate: Fix bounds check for MZ binaries * Add make infrastructure to set the NX_COMPAT flag by @vathpela in #530 * Make sbat_var.S parse right with buggy gcc/binutils by @vathpela in #535 * Drop invalid calls to CRYPTO_set_mem_functions by @nicholasbishop in #537 * pe: Align section size up to page size for mem attrs by @nicholasbishop in #539 * test-sbat: Fix exit code by @vathpela in #540 * pe: Add IS_PAGE_ALIGNED macro by @nicholasbishop in #541 * CryptoPkg/BaseCryptLib: Fix buffer overflow issue in realloc wrapper by @nicholasbishop in #546 * Don't loop forever in load_certs() with buggy firmware by @rmetrich in #547 * Block Debian grub binaries with SBAT < 4 by @steve-mcintyre in #550 * Shim unable to locate grubx64 in PXE boot mode when grubx64 is stored in a different file path by @Alberto-Perez-Guevara in #551 * Further improve load_certs() for non-compliant drivers/firmwares by @pbatard in #560 * pe: only process RelocDir->Size of reloc section by @mikebeaton in #562 * Rename 'msecs' to 'usecs' to avoid potential confusion by @aronowski in #563 * Optionally allow to keep shim protocol installed by @bluca in #565 * SBAT-related documents formatting and spelling by @aronowski in #566 * Add SbatLevel_Variable.txt to document the various revocations by @jsetje in #569 * Add a security contact email address in README.md by @vathpela in #572 * Use -Wno-unused-but-set-variable for Cryptlib and OpenSSL by @vathpela in #576 * mok: fix LogError() invocation by @vathpela in #577 * Minor housekeeping by @vathpela in #578 * Test ImageAddress() by @vathpela in #579 * FreePages() is used to return memory allocated by AllocatePages() by @dennis-tseng99 in #580 * Size should minus 1 when calculating 'RelocBaseEnd' by @jsetje in #581 * Verify signature before verifying sbat levels by @jsetje in #583 * Add libFuzzer support for csv.c and sbat.c by @vathpela in #584 * mok: Avoid underflow in maximum variable size calculation by @alpernebbi in #587 * Housekeeping by @vathpela in #605 Signed-off-by: Peter Jones <[email protected]>
brianredbeard
pushed a commit
to brianredbeard/redhat-efi-boot-shim
that referenced
this pull request
Feb 22, 2024
What's changed * Various CVE fixes: CVE-2023-40546 mok: fix LogError() invocation CVE-2023-40547 - avoid incorrectly trusting HTTP headers CVE-2023-40548 Fix integer overflow on SBAT section size on 32-bit system CVE-2023-40549 Authenticode: verify that the signature header is in bounds. CVE-2023-40550 pe: Fix an out-of-bound read in verify_buffer_sbat() CVE-2023-40551: pe-relocate: Fix bounds check for MZ binaries * Add make infrastructure to set the NX_COMPAT flag by @vathpela in rhboot#530 * Make sbat_var.S parse right with buggy gcc/binutils by @vathpela in rhboot#535 * Drop invalid calls to CRYPTO_set_mem_functions by @nicholasbishop in rhboot#537 * pe: Align section size up to page size for mem attrs by @nicholasbishop in rhboot#539 * test-sbat: Fix exit code by @vathpela in rhboot#540 * pe: Add IS_PAGE_ALIGNED macro by @nicholasbishop in rhboot#541 * CryptoPkg/BaseCryptLib: Fix buffer overflow issue in realloc wrapper by @nicholasbishop in rhboot#546 * Don't loop forever in load_certs() with buggy firmware by @rmetrich in rhboot#547 * Block Debian grub binaries with SBAT < 4 by @steve-mcintyre in rhboot#550 * Shim unable to locate grubx64 in PXE boot mode when grubx64 is stored in a different file path by @Alberto-Perez-Guevara in rhboot#551 * Further improve load_certs() for non-compliant drivers/firmwares by @pbatard in rhboot#560 * pe: only process RelocDir->Size of reloc section by @mikebeaton in rhboot#562 * Rename 'msecs' to 'usecs' to avoid potential confusion by @aronowski in rhboot#563 * Optionally allow to keep shim protocol installed by @bluca in rhboot#565 * SBAT-related documents formatting and spelling by @aronowski in rhboot#566 * Add SbatLevel_Variable.txt to document the various revocations by @jsetje in rhboot#569 * Add a security contact email address in README.md by @vathpela in rhboot#572 * Use -Wno-unused-but-set-variable for Cryptlib and OpenSSL by @vathpela in rhboot#576 * mok: fix LogError() invocation by @vathpela in rhboot#577 * Minor housekeeping by @vathpela in rhboot#578 * Test ImageAddress() by @vathpela in rhboot#579 * FreePages() is used to return memory allocated by AllocatePages() by @dennis-tseng99 in rhboot#580 * Size should minus 1 when calculating 'RelocBaseEnd' by @jsetje in rhboot#581 * Verify signature before verifying sbat levels by @jsetje in rhboot#583 * Add libFuzzer support for csv.c and sbat.c by @vathpela in rhboot#584 * mok: Avoid underflow in maximum variable size calculation by @alpernebbi in rhboot#587 * Housekeeping by @vathpela in rhboot#605 Signed-off-by: Peter Jones <[email protected]>
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(See https://bugs.debian.org/1024617)
One of the Debian builds of grub bumped the SBAT to 3, but didn't include the patches needed. Add "grub.debian,4" to block those binaries.
Signed-off-by: Steve McIntyre [email protected]