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For more information about the release, see: - https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.6 - https://github.com/Mbed-TLS/mbedtls/compare/mbedtls-3.6.5..mbedtls-3.6.6 Fixes the following vulnerabilities: - CVE-2025-66442 In Mbed TLS through 4.0.0, there is a compiler-induced timing side channel (in RSA and CBC/ECB decryption) that only occurs with LLVM's select-optimize feature. TF-PSA-Crypto through 1.0.0 is also affected. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2025-66442 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-compiler-induced-constant-time-violations/ - CVE-2026-25833: Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509_inet_pton_ipv6() function For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-25833 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-inet-pton/ - CVE-2026-25834: Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-25834 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-sigalg-injection/ - CVE-2026-25835: Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator (PRNG). For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-25835 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-rng-cloning/ - CVE-2026-34871: An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 and TF-PSA-Crypto before 1.1.0. There is a Predictable Seed in a Pseudo-Random Number Generator (PRNG). For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34871 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-dev-random/ - CVE-2026-34872: An issue was discovered in Mbed TLS 3.5.x and 3.6.x through 3.6.5 and TF-PSA-Crypto 1.0. There is a lack of contributory behavior in FFDH due to improper input validation. Using finite-field Diffie-Hellman, the other party can force the shared secret into a small set of values (lack of contributory behavior). This is a problem for protocols that depend on contributory behavior (which is not the case for TLS). The attack can be carried by the peer, or depending on the protocol by an active network attacker (person in the middle). For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34872 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-peerkey-checks/ - CVE-2026-34873: An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34873 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-client-impersonation-while-resuming-tls13-session/ - CVE-2026-34874: An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34874 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-null-pointer-dereference-x509/ - CVE-2026-34875: An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1.0.0. A buffer overflow can occur in public key export for FFDH keys. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34875 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ffdh-buffer-overflow/ - CVE-2026-34876: An issue was discovered in Mbed TLS 3.x before 3.6.6. An out-of-bounds read vulnerability in mbedtls_ccm_finish() in library/ccm.c allows attackers to obtain adjacent CCM context data via invocation of the multipart CCM API with an oversized tag_len parameter. This is caused by missing validation of the tag_len parameter against the size of the internal 16-byte authentication buffer. The issue affects the public multipart CCM API in Mbed TLS 3.x, where mbedtls_ccm_finish() can be invoked directly by applications. In Mbed TLS 4.x versions prior to the fix, the same missing validation exists in the internal implementation; however, the function is not exposed as part of the public API. Exploitation requires application-level invocation of the multipart CCM API. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34876 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-ccm-finish-boundary-check/ - CVE-2026-34877: An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker who can modify the serialized structures to induce memory corruption, leading to arbitrary code execution. This is caused by Incorrect Use of Privileged APIs. For more information, see: - https://www.cve.org/CVERecord?id=CVE-2026-34877 - https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-serialized-data/ Signed-off-by: Thomas Perale <thomas.perale@mind.be> Signed-off-by: Julien Olivain <ju.o@free.fr>
73 lines
2.5 KiB
Makefile
73 lines
2.5 KiB
Makefile
################################################################################
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#
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# mbedtls
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#
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################################################################################
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MBEDTLS_VERSION = 3.6.6
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MBEDTLS_SITE = https://github.com/Mbed-TLS/mbedtls/releases/download/mbedtls-$(MBEDTLS_VERSION)
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MBEDTLS_SOURCE = mbedtls-$(MBEDTLS_VERSION).tar.bz2
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MBEDTLS_CONF_OPTS = \
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-DCMAKE_C_FLAGS="$(TARGET_CFLAGS) -std=c99" \
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-DENABLE_PROGRAMS=$(if $(BR2_PACKAGE_MBEDTLS_PROGRAMS),ON,OFF) \
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-DENABLE_TESTING=OFF \
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-DMBEDTLS_FATAL_WARNINGS=OFF
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MBEDTLS_INSTALL_STAGING = YES
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MBEDTLS_LICENSE = Apache-2.0 or GPL-2.0+
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MBEDTLS_LICENSE_FILES = LICENSE
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MBEDTLS_CPE_ID_VENDOR = arm
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MBEDTLS_CPE_ID_PRODUCT = mbed_tls
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# This is mandatory for hiawatha
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ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
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define MBEDTLS_ENABLE_THREADING
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$(SED) "s://#define MBEDTLS_THREADING_C:#define MBEDTLS_THREADING_C:" \
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$(@D)/include/mbedtls/mbedtls_config.h
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$(SED) "s://#define MBEDTLS_THREADING_PTHREAD:#define MBEDTLS_THREADING_PTHREAD:" \
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$(@D)/include/mbedtls/mbedtls_config.h
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endef
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MBEDTLS_PRE_CONFIGURE_HOOKS += MBEDTLS_ENABLE_THREADING
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ifeq ($(BR2_STATIC_LIBS),y)
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MBEDTLS_CONF_OPTS += -DLINK_WITH_PTHREAD=ON
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endif
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endif
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ifeq ($(BR2_STATIC_LIBS),y)
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MBEDTLS_CONF_OPTS += \
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-DUSE_SHARED_MBEDTLS_LIBRARY=OFF -DUSE_STATIC_MBEDTLS_LIBRARY=ON
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else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
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MBEDTLS_CONF_OPTS += \
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-DUSE_SHARED_MBEDTLS_LIBRARY=ON -DUSE_STATIC_MBEDTLS_LIBRARY=ON
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else ifeq ($(BR2_SHARED_LIBS),y)
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MBEDTLS_CONF_OPTS += \
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-DUSE_SHARED_MBEDTLS_LIBRARY=ON -DUSE_STATIC_MBEDTLS_LIBRARY=OFF
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endif
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define MBEDTLS_DISABLE_ASM
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$(SED) '/^#define MBEDTLS_AESNI_C/d' \
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$(@D)/include/mbedtls/mbedtls_config.h
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$(SED) '/^#define MBEDTLS_HAVE_ASM/d' \
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$(@D)/include/mbedtls/mbedtls_config.h
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$(SED) '/^#define MBEDTLS_PADLOCK_C/d' \
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$(@D)/include/mbedtls/mbedtls_config.h
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endef
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# ARM in thumb mode breaks debugging with asm optimizations
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# Microblaze asm optimizations are broken in general
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# MIPS R6 asm is not yet supported
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ifeq ($(BR2_ENABLE_DEBUG)$(BR2_ARM_INSTRUCTIONS_THUMB)$(BR2_ARM_INSTRUCTIONS_THUMB2),yy)
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MBEDTLS_POST_CONFIGURE_HOOKS += MBEDTLS_DISABLE_ASM
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else ifeq ($(BR2_microblaze)$(BR2_MIPS_CPU_MIPS32R6)$(BR2_MIPS_CPU_MIPS64R6),y)
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MBEDTLS_POST_CONFIGURE_HOOKS += MBEDTLS_DISABLE_ASM
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endif
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ifeq ($(BR2_PACKAGE_MBEDTLS_DTLS_SRTP),y)
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define MBEDTLS_ENABLE_DTLS_SRTP
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$(SED) "s://#define MBEDTLS_SSL_DTLS_SRTP:#define MBEDTLS_SSL_DTLS_SRTP:" \
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$(@D)/include/mbedtls/mbedtls_config.h
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endef
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MBEDTLS_PRE_CONFIGURE_HOOKS += MBEDTLS_ENABLE_DTLS_SRTP
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endif
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$(eval $(cmake-package))
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