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wolfSSL Release 5.7.2 (July 8, 2024)
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@JacobBarthelmeh JacobBarthelmeh released this 09 Jul 16:10
· 1194 commits to master since this release
v5.7.2-stable
00e4215
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GPG key ID: B5690EEEBB952194
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NOTE: * --enable-heapmath is being deprecated and will be removed by end of 2024

Vulnerabilities

  • [Medium] CVE-2024-1544
    Potential ECDSA nonce side channel attack in versions of wolfSSL before 5.6.6 with wc_ecc_sign_hash calls. Generating the ECDSA nonce k samples a random number r and then truncates this randomness with a modular reduction mod n where n is the order of the elliptic curve. Analyzing the division through a control-flow revealing side-channel reveals a bias in the most significant bits of k. Depending on the curve this is either a negligible bias or a significant bias large enough to reconstruct k with lattice reduction methods. Thanks to Luca Wilke, Florian Sieck and Thomas Eisenbarth (University of Lübeck) for reporting the vulnerability. Details will appear in the proceedings of CCS 24.
    Fixed #7020

  • [Medium] CVE-2024-5288
    A private key blinding operation, enabled by defining the macro WOLFSSL_BLIND_PRIVATE_KEY, was added to mitigate a potential row hammer attack on ECC operations. If performing ECC private key operations in an environment where a malicious user could gain fine control over the device and perform row hammer style attacks it is recommended to update the version of wolfSSL used and to build with WOLFSSL_BLIND_PRIVATE_KEY defined. Thanks to Kemal Derya, M. Caner Tol, Berk Sunar for the report (Vernam Applied Cryptography and Cybersecurity Lab at Worcester Polytechnic Institute)
    Fixed in github pull request #7416

  • [Low] When parsing a provided maliciously crafted certificate directly using wolfSSL API, outside of a TLS connection, a certificate with an excessively large number of extensions could lead to a potential DoS. There are existing sanity checks during a TLS handshake with wolfSSL which mitigate this issue. Thanks to Bing Shi for the report.
    Fixed in github pull request #7597

  • [Low] CVE-2024-5991
    In the function MatchDomainName(), input param str is treated as a NULL terminated string despite being user provided and unchecked. Specifically, the Openssl compatibility function X509_check_host() takes in a pointer and length to check against, with no requirements that it be NULL terminated. While calling without a NULL terminated string is very uncommon, it is still technically allowed. If a caller was attempting to do a name check on a non*NULL terminated buffer, the code would read beyond the bounds of the input array until it found a NULL terminator.
    Fixed in github pull request #7604

  • [Medium] CVE-2024-5814
    A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello when downgrading from TLS 1.3.
    Fixed in github pull request #7619

  • [Medium] OCSP stapling version 2 response verification bypass issue when a crafted response of length 0 is received. Found with internal testing.
    Fixed in github pull request #7702

  • [Medium] OCSP stapling version 2 revocation bypass with a retry of a TLS connection attempt. A revoked CA certificate could incorrectly be loaded into the trusted signers list and used in a repeat connection attempt. Found with internal testing.
    Fixed in github pull request #7702

New Feature Additions

  • Added Dilithium/ML-DSA: Implementation of ML-DSA-44/65/87 (PR 7622)
  • AES RISC-V 64-bit ASM: ECB/CBC/CTR/GCM/CCM (PR 7569)
  • Added CUDA support for AES encryption (PR 7436)
  • Added support for gRPC (PR 7445)
  • Added function wc_RsaPrivateKeyDecodeRaw to import raw RSA private keys (PR 7608)
  • Added crypto callback for SHA-3 (PR 7670)
  • Support for Infineon Modus Toolbox with wolfSSL (PR 7369)
  • Allow user to send a user_canceled alert by calling wolfSSL_SendUserCanceled (PR 7590)
  • C# wrapper SNI support added (PR 7610)
  • Quantum-safe algorithm support added to the Linux kernel module (PR 7574)
  • Support for NIST 800-56C Option 1 KDF, using the macro WC_KDF_NIST_SP_800_56C added (PR 7589)
  • AES-XTS streaming mode added, along with hardware acceleration and kernel module use (PR 7522, 7560, 7424)
  • PlatformIO FreeRTOS with ESP build and addition of benchmark and test example applications (PR 7528, 7413, 7559, 7542)

Enhancements and Optimizations

  • Expanded STM32 AES hardware acceleration support for use with STM32H5 (PR 7578)
  • Adjusted wc_xmss and wc_lms settings to support use with wolfBoot (PR 7393)
  • Added the --enable-rpk option to autotools build for using raw public key support (PR 7379)
  • SHA-3 Thumb2, ARM32 assembly implementation added (PR 7667)
  • Improvements to RSA padding to expose Pad/Unpad APIs (PR 7612)
  • Updates and API additions for supporting socat version 1.8.0.0 (PR 7594)
  • cmake build improvements, expanding build options with SINGLE_THREADED and post-quantum algorithms, adjusting the generation of options.h file and using “yes;no” boolean instead of strings (PR 7611, 7546, 7479, 7480, 7380)
  • Improvements for Renesas RZ support (PR 7474)
  • Improvements to dual algorithm certificates for post-quantum keys (PR 7286)
  • Added wolfSSL_SessionIsSetup so the user can check if a session ticket has been sent by the server (PR 7430)
  • hostap updates: Implement PACs for EAP-FAST and filter cipher list on TLS version change (PR 7446)
  • Changed subject name comparison to match different upper and lower cases (PR 7420)
  • Support for DTLS 1.3 downgrade when using PSK (PR 7367)
  • Update to static memory build for more generic memory pools used (PR 7418)
  • Improved performance of Kyber C implementation (PR 7654)
  • Support for ECC_CACHE_CURVE with no malloc (PR 7490)
  • Added the configure option --enable-debug-trace-errcodes (macro WOLFSSL_DEBUG_TRACE_ERROR_CODES) which enables more debug tracking of error code values (PR 7634)
  • Enhanced wc_MakeRsaKey and wc_RsaKeyToDer to work with WOLFSSL_NO_MALLOC (PR 7362)
  • Improvements to assembly implementations of ChaCha20 and Poly1305 ASM for use with MSVC (PR 7319)
  • Cortex-M inline assembly labels with unique number appended (PR 7649)
  • Added secret logging callback to TLS <= 1.2, enabled with the macro HAVE_SECRET_CALLBACK (PR 7372)
  • Made wc_RNG_DRBG_Reseed() a public wolfCrypt API (PR 7386)
  • Enabled DES3 support without the DES3 ciphers. To re-enable DES3 cipher suites, use the configure flag --enable-des3-tls-suites (PR 7315)
  • Added stubs required for latest nginx (1.25.5) (PR 7449)
  • Added option for using a custom salt with the function wc_ecc_ctx_set_own_salt (PR 7552)
  • Added PQ files for Windows (PR 7419)
  • Enhancements to static memory feature, adding the option for a global heap hint (PR 7478) and build options for a lean or debug setting, enabled with --enable-staticmemory=small or --enable-staticmemory=debug (PR 7597)
  • Updated --enable-jni to define SESSION_CERTS for wolfJSSE (PR 7557)
  • Exposed DTLS in Ada wrapper and updated examples (PR 7397)
  • Added additional minimum TLS extension size sanity checks (PR 7602)
  • ESP improvements: updating the examples and libraries, updates for Apple HomeKit SHA/SRP, and fix for endianness with SHA512 software fallback (PR 7607, 7392, 7505, 7535)
  • Made the wc_CheckCertSigPubKey API publicly available with the define of the macro WOLFSSL_SMALL_CERT_VERIFY (PR 7599)
  • Added an alpha/preview of additional FIPS 140-3 full submission, bringing additional algorithms such as SRTP-KDF, AES-XTS, GCM streaming, AES-CFB, ED25519, and ED448 into the FIPS module boundary (PR 7295)
  • XCODE support for v5.2.3 of the FIPS module (PR 7140)
  • Expanded OpenSSL compatibility layer and added EC_POINT_hex2point (PR 7191)

Fixes

  • Fixed Kyber control-flow timing leak. Thanks to Antoon Purnal from PQShield for the report.
  • Fixed the NXP MMCAU HW acceleration for SHA-256 (PR 7389)
  • Fixed AES-CFB1 encrypt/decrypt on size (8*x-1) bits (PR 7431)
  • Fixed use of %rip with SHA-256 x64 assembly (PR 7409)
  • Fixed OCSP response message build for DTLS (PR 7671)
  • Handled edge case in wc_ecc_mulmod() with zero (PR 7532)
  • Fixed RPK (Raw Public Key) to follow certificate use correctly (PR 7375)
  • Added sanity check on record header with QUIC use (PR 7638)
  • Added sanity check for empty directory strings in X.509 when parsing (PR 7669)
  • Added sanity check on non-conforming serial number of 0 in certificates being parsed (PR 7625)
  • Fixed wolfSSL_CTX_set1_sigalgs_list() to make the TLS connection conform to the selected sig hash algorithm (PR 7693)
  • Various fixes for dual algorithm certificates including small stack use and support for Certificate Signing Requests (PR 7577)
  • Added sanity check for critical policy extension when wolfSSL is built without policy extension support enabled (PR 7388)
  • Added sanity check that the ed25519 signature is smaller than the order (PR 7513)
  • Fixed Segger emNet to handle non-blocking want read/want write (PR 7581)
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