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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4541 REF: https://www.rfc-editor.org/rfc/rfc1948.txt REF: https://www.rfc-editor.org/rfc/rfc6528.txt REF: https://www.rfc-editor.org/rfc/rfc9293.txt Bug Overview: PixieFail Bug #8 CVE-2023-45236 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Updates TCP ISN generation to use a cryptographic hash of the connection's identifying parameters and a secret key. This prevents an attacker from guessing the ISN used for some other connection. This is follows the guidance in RFC 1948, RFC 6528, and RFC 9293. RFC: 9293 Section 3.4.1. Initial Sequence Number Selection A TCP implementation MUST use the above type of "clock" for clock- driven selection of initial sequence numbers (MUST-8), and SHOULD generate its initial sequence numbers with the expression: ISN = M + F(localip, localport, remoteip, remoteport, secretkey) where M is the 4 microsecond timer, and F() is a pseudorandom function (PRF) of the connection's identifying parameters ("localip, localport, remoteip, remoteport") and a secret key ("secretkey") (SHLD-1). F() MUST NOT be computable from the outside (MUST-9), or an attacker could still guess at sequence numbers from the ISN used for some other connection. The PRF could be implemented as a cryptographic hash of the concatenation of the TCP connection parameters and some secret data. For discussion of the selection of a specific hash algorithm and management of the secret key data, please see Section 3 of [42]. For each connection there is a send sequence number and a receive sequence number. The initial send sequence number (ISS) is chosen by the data sending TCP peer, and the initial receive sequence number (IRS) is learned during the connection-establishing procedure. For a connection to be established or initialized, the two TCP peers must synchronize on each other's initial sequence numbers. This is done in an exchange of connection-establishing segments carrying a control bit called "SYN" (for synchronize) and the initial sequence numbers. As a shorthand, segments carrying the SYN bit are also called "SYNs". Hence, the solution requires a suitable mechanism for picking an initial sequence number and a slightly involved handshake to exchange the ISNs. Cc: Saloni Kasbekar <saloni.kasbekar@intel.com> Cc: Zachary Clark-williams <zachary.clark-williams@intel.com> Signed-off-by: Doug Flick [MSFT] <doug.edk2@gmail.com> Reviewed-by: Saloni Kasbekar <saloni.kasbekar@intel.com>
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============== EDK II Project ============== A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org. Core CI Build Status -------------------- ============================= ================= =============== =================== Host Type & Toolchain Build Status Test Status Code Coverage ============================= ================= =============== =================== Windows_VS2019_ |WindowsCiBuild| |WindowsCiTest| |WindowsCiCoverage| Ubuntu_GCC5_ |UbuntuCiBuild| |UbuntuCiTest| |UbuntuCiCoverage| ============================= ================= =============== =================== `More CI Build information <.pytool/Readme.md>`__ Platform CI Build Status ------------------------ Microsoft Windows VS2019 ```````````````````````` ============================= ================= ============= ============= ============== Toolchain CONFIG DEBUG RELEASE NOOPT ============================= ================= ============= ============= ============== EmulatorPkg_Win_VS2019_ | IA32 |em32d| |em32r| |em32n| | | X64 |em64d| |em64r| |em64n| | | IA32 FULL |em32fd| |em32fr| |em32fn| | | X64 FULL |em64fd| |em64fr| |em64fn| OvmfPkg_Win_VS2019_ | IA32 |op32d| |op32r| |op32n| | | X64 |op64d| |op64r| |op64n| | | IA32 X64 |op3264d| |op3264r| |op3264n| | | IA32 X64 FULL |op3264fd| |op3264fr| |op3264fn| ============================= ================= ============= ============= ============== Ubuntu 18.04 GCC5 ````````````````` ============================= ================= ============= ============= ============== Toolchain CONFIG DEBUG RELEASE NOOPT ============================= ================= ============= ============= ============== ArmVirtPkg_Ubuntu_GCC5_ | AARCH64 |avAArch64du| |avAArch64ru| |avAArch64nu| | | ARM |avArmdu| |avArmru| |avArmnu| EmulatorPkg_Ubuntu_GCC5_ | IA32 |em32du| |em32ru| |em32nu| | | X64 |em64du| |em64ru| |em64nu| | | IA32 FULL |em32fdu| |em32fru| |em32fnu| | | X64 FULL |em64fdu| |em64fru| |em64fnu| OvmfPkg_Ubuntu_GCC5_ | IA32 |op32du| |op32ru| |op32nu| | | X64 |op64du| |op64ru| |op64nu| | | IA32 X64 |op3264du| |op3264ru| |op3264nu| | | IA32 X64 FULL |op3264fdu| |op3264fru| |op3264fru| ============================= ================= ============= ============= ============== |TCBZ_2668|_ - EmulatorPkg Ubuntu GCC5 Segfaults during execution. |TCBZ_2639|_ - EmulatorPkg Ubuntu GCC5 Segfaults during execution. `More ArmVirtPkg CI Build Information <ArmVirtPkg/PlatformCI/ReadMe.md>`__ `More EmulatorPkg CI Build Information <EmulatorPkg/PlatformCI/ReadMe.md>`__ `More OvmfPkg CI Build Information <OvmfPkg/PlatformCI/ReadMe.md>`__ License Details --------------- The majority of the content in the EDK II open source project uses a `BSD-2-Clause Plus Patent License <License.txt>`__. The EDK II open source project contains the following components that are covered by additional licenses: - `BaseTools/Plugin/CodeQL/analyze <https://www.apache.org/licenses/LICENSE-2.0>`__ - `BaseTools/Source/C/LzmaCompress <BaseTools/Source/C/LzmaCompress/LZMA-SDK-README.txt>`__ - `BaseTools/Source/C/VfrCompile/Pccts <BaseTools/Source/C/VfrCompile/Pccts/RIGHTS>`__ - `CryptoPkg\Library\BaseCryptLib\SysCall\inet_pton.c <CryptoPkg\Library\BaseCryptLib\SysCall\inet_pton.c>`__ - `CryptoPkg\Library\Include\crypto\dso_conf.h <https://github.com/openssl/openssl/blob/e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72/LICENSE>`__ - `CryptoPkg\Library\Include\openssl\opensslconf.h <https://github.com/openssl/openssl/blob/e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72/LICENSE>`__ - `EmbeddedPkg/Library/FdtLib <EmbeddedPkg/Library/FdtLib/fdt.c>`__. (EDK II uses BSD License) - `EmbeddedPkg/Include/fdt.h <EmbeddedPkg/Include/fdt.h>`__. (EDK II uses BSD Licence) - `EmbeddedPkg/Include/libfdt.h <EmbeddedPkg/Include/libfdt.h>`__. (EDK II uses BSD License) - `MdeModulePkg/Library/LzmaCustomDecompressLib <MdeModulePkg/Library/LzmaCustomDecompressLib/LZMA-SDK-README.txt>`__ - `OvmfPkg <OvmfPkg/License.txt>`__ The EDK II open source project uses content from upstream projects as git submodules that are covered by additional licenses. - `ArmPkg/Library/ArmSoftFloatLib/berkeley-softfloat-3 <https://github.com/ucb-bar/berkeley-softfloat-3/blob/b64af41c3276f97f0e181920400ee056b9c88037/COPYING.txt>`__ - `BaseTools/Source/C/BrotliCompress/brotli <https://github.com/google/brotli/blob/666c3280cc11dc433c303d79a83d4ffbdd12cc8d/LICENSE>`__ - `CryptoPkg/Library/OpensslLib/openssl <https://github.com/openssl/openssl/blob/e2e09d9fba1187f8d6aafaa34d4172f56f1ffb72/LICENSE>`__ - `MdeModulePkg/Library/BrotliCustomDecompressLib/brotli <https://github.com/google/brotli/blob/666c3280cc11dc433c303d79a83d4ffbdd12cc8d/LICENSE>`__ - `MdeModulePkg/Universal/RegularExpressionDxe/oniguruma <https://github.com/kkos/oniguruma/blob/abfc8ff81df4067f309032467785e06975678f0d/COPYING>`__ - `UnitTestFrameworkPkg/Library/CmockaLib/cmocka <https://github.com/tianocore/edk2-cmocka/blob/f5e2cd77c88d9f792562888d2b70c5a396bfbf7a/COPYING>`__ - `UnitTestFrameworkPkg/Library/GoogleTestLib/googletest <https://github.com/google/googletest/blob/86add13493e5c881d7e4ba77fb91c1f57752b3a4/LICENSE>`__ - `UnitTestFrameworkPkg/Library/SubhookLib/subhook <https://github.com/Zeex/subhook/blob/83d4e1ebef3588fae48b69a7352cc21801cb70bc/LICENSE.txt>`__ - `RedfishPkg/Library/JsonLib/jansson <https://github.com/akheron/jansson/blob/2882ead5bb90cf12a01b07b2c2361e24960fae02/LICENSE>`__ - `MdePkg/Library/BaseFdtLib/libfdt <https://github.com/devicetree-org/pylibfdt/blob/f39368a217496d32c4091a2dba4045b60649e3a5/BSD-2-Clause>`__ - `MdePkg/Library/MipiSysTLib/mipisyst <https://github.com/MIPI-Alliance/public-mipi-sys-t/blob/aae857d0d05ac65152ed24992a4acd834a0a107c/LICENSE>`__ - `SecurityPkg/DeviceSecurity/SpdmLib/libspdm <https://github.com/DMTF/libspdm/blob/main/LICENSE.md>`__ The EDK II Project is composed of packages. The maintainers for each package are listed in `Maintainers.txt <Maintainers.txt>`__. Resources --------- - `TianoCore <http://www.tianocore.org>`__ - `EDK II <https://github.com/tianocore/tianocore.github.io/wiki/EDK-II>`__ - `Getting Started with EDK II <https://github.com/tianocore/tianocore.github.io/wiki/Getting-Started-with-EDK-II>`__ - `Mailing Lists <https://github.com/tianocore/tianocore.github.io/wiki/Mailing-Lists>`__ - `TianoCore Bugzilla <https://bugzilla.tianocore.org>`__ - `How To Contribute <https://github.com/tianocore/tianocore.github.io/wiki/How-To-Contribute>`__ - `Release Planning <https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Release-Planning>`__ Code Contributions ------------------ To make a contribution to a TianoCore project, follow these steps. #. Create a change description in the format specified below to use in the source control commit log. #. Your commit message must include your ``Signed-off-by`` signature #. Submit your code to the TianoCore project using the process that the project documents on its web page. If the process is not documented, then submit the code on development email list for the project. #. It is preferred that contributions are submitted using the same copyright license as the base project. When that is not possible, then contributions using the following licenses can be accepted: - Apache License, Version 2.0: https://opensource.org/license/apache-2-0/ - BSD (2-clause): https://opensource.org/license/BSD-2-Clause - BSD (3-clause): https://opensource.org/license/BSD-3-Clause - MIT: https://opensource.org/license/MIT - Python-2.0: https://opensource.org/license/Python-2.0 - Zlib: https://opensource.org/license/Zlib For documentation: - FreeBSD Documentation License https://www.freebsd.org/copyright/freebsd-doc-license.html Contributions of code put into the public domain can also be accepted. Contributions using other licenses might be accepted, but further review will be required. Developer Certificate of Origin ------------------------------- Your change description should use the standard format for a commit message, and must include your ``Signed-off-by`` signature. In order to keep track of who did what, all patches contributed must include a statement that to the best of the contributor's knowledge they have the right to contribute it under the specified license. The test for this is as specified in the `Developer's Certificate of Origin (DCO) 1.1 <https://developercertificate.org/>`__. The contributor certifies compliance by adding a line saying Signed-off-by: Developer Name developer@example.org where ``Developer Name`` is the contributor's real name, and the email address is one the developer is reachable through at the time of contributing. :: Developer's Certificate of Origin 1.1 By making a contribution to this project, I certify that: (a) The contribution was created in whole or in part by me and I have the right to submit it under the open source license indicated in the file; or (b) The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different license), as indicated in the file; or (c) The contribution was provided directly to me by some other person who certified (a), (b) or (c) and I have not modified it. (d) I understand and agree that this project and the contribution are public and that a record of the contribution (including all personal information I submit with it, including my sign-off) is maintained indefinitely and may be redistributed consistent with this project or the open source license(s) involved. Sample Change Description / Commit Message ------------------------------------------ :: From: Contributor Name <contributor@example.com> Subject: [Repository/Branch PATCH] Pkg-Module: Brief-single-line-summary Full-commit-message Signed-off-by: Contributor Name <contributor@example.com> Notes for sample patch email ```````````````````````````` - The first line of commit message is taken from the email's subject line following ``[Repository/Branch PATCH]``. The remaining portion of the commit message is the email's content. - ``git format-patch`` is one way to create this format Definitions for sample patch email `````````````````````````````````` - ``Repository`` is the identifier of the repository the patch applies. This identifier should only be provided for repositories other than ``edk2``. For example ``edk2-BuildSpecification`` or ``staging``. - ``Branch`` is the identifier of the branch the patch applies. This identifier should only be provided for branches other than ``edk2/master``. For example ``edk2/UDK2015``, ``edk2-BuildSpecification/release/1.27``, or ``staging/edk2-test``. - ``Module`` is a short identifier for the affected code or documentation. For example ``MdePkg``, ``MdeModulePkg/UsbBusDxe``, ``Introduction``, or ``EDK II INF File Format``. - ``Brief-single-line-summary`` is a short summary of the change. - The entire first line should be less than ~70 characters. - ``Full-commit-message`` a verbose multiple line comment describing the change. Each line should be less than ~70 characters. - ``Signed-off-by`` is the contributor's signature identifying them by their real/legal name and their email address. Submodules ---------- The current submodules used in EDK II are in `.gitmodules <.gitmodules>`__. To get a full, buildable EDK II repository, use following steps of git command .. code-block:: bash git clone https://github.com/tianocore/edk2.git cd edk2 git submodule update --init cd .. If there's update for submodules, use following git commands to get the latest submodules code. .. code-block:: bash cd edk2 git pull git submodule update Note: When cloning submodule repos, '--recursive' option is not recommended. EDK II itself will not use any code/feature from submodules in above submodules. So using '--recursive' adds a dependency on being able to reach servers we do not actually want any code from, as well as needlessly downloading code we will not use. **Submodule Notes** ArmSoftFloatLib is required by OpensslLib. It's inevitable in openssl-1.1.1 (since stable201905) for floating point parameter conversion, but should be dropped once there's no such need in future release of openssl. .. =================================================================== .. This is a bunch of directives to make the README file more readable .. =================================================================== .. CoreCI .. _Windows_VS2019: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=32&branchName=master .. |WindowsCiBuild| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/Windows%20VS2019%20CI?branchName=master .. |WindowsCiTest| image:: https://img.shields.io/azure-devops/tests/tianocore/edk2-ci/32.svg .. |WindowsCiCoverage| image:: https://img.shields.io/badge/coverage-coming_soon-blue .. _Ubuntu_GCC5: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=31&branchName=master .. |UbuntuCiBuild| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/Ubuntu%20GCC5%20CI?branchName=master .. |UbuntuCiTest| image:: https://img.shields.io/azure-devops/tests/tianocore/edk2-ci/31.svg .. |UbuntuCiCoverage| image:: https://img.shields.io/badge/coverage-coming_soon-blue .. ArmVirtPkg .. _ArmVirtPkg_Ubuntu_GCC5: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=46&branchName=master .. |avAArch64du| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_AARCH64_DEBUG .. |avAArch64ru| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_AARCH64_RELEASE .. |avAArch64nu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_AARCH64_NOOPT .. |avArmdu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_ARM_DEBUG .. |avArmru| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_ARM_RELEASE .. |avArmnu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_ArmVirtPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20QEMU_ARM_NOOPT .. EmulatorPkg .. |TCBZ_2668| image:: https://img.shields.io/bugzilla/2668?baseUrl=https%3A%2F%2Fbugzilla.tianocore.org .. _TCBZ_2668: https://bugzilla.tianocore.org/show_bug.cgi?id=2668 .. |TCBZ_2639| image:: https://img.shields.io/bugzilla/2639?baseUrl=https%3A%2F%2Fbugzilla.tianocore.org .. _TCBZ_2639: https://bugzilla.tianocore.org/show_bug.cgi?id=2639 .. _EmulatorPkg_Win_VS2019: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=44&branchName=master .. _EmulatorPkg_Ubuntu_GCC5: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=43&branchName=master .. |em32d| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_EmulatorPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20EmulatorPkg_IA32_DEBUG .. |em32du| image:: 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OvmfPkg .. |TCBZ_2661| image:: https://img.shields.io/bugzilla/2661?baseUrl=https%3A%2F%2Fbugzilla.tianocore.org .. _TCBZ_2661: https://bugzilla.tianocore.org/show_bug.cgi?id=2661 .. _OvmfPkg_Win_VS2019: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=50&branchName=master .. _OvmfPkg_Ubuntu_GCC5: https://dev.azure.com/tianocore/edk2-ci/_build/latest?definitionId=48&branchName=master .. |op32d| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_DEBUG .. |op32du| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_DEBUG .. |op32r| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_RELEASE .. |op32ru| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_RELEASE .. |op32n| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_NOOPT .. |op32nu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32_NOOPT .. |op64d| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_X64_DEBUG .. |op64du| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_X64_DEBUG .. |op64r| image:: 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image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32X64_FULL_DEBUG .. |op3264fdu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32X64_FULL_DEBUG .. |op3264fr| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Windows_VS2019_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32X64_FULL_RELEASE .. |op3264fru| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32X64_FULL_RELEASE .. |op3264fn| replace:: |TCBZ_2661|_ .. |op3264fnu| image:: https://dev.azure.com/tianocore/edk2-ci/_apis/build/status/PlatformCI_OvmfPkg_Ubuntu_GCC5_CI?branchName=master&jobName=Platform_CI&configuration=Platform_CI%20OVMF_IA32X64_FULL_NOOPT
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