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Update ChangeLog with language and technical corrections
To clarify and correct the ChangeLog.
This commit is contained in:
Simon Butcher
Jaeden Amero
parent
abc3fe7942
commit
9dad18e29a
86
ChangeLog
86
ChangeLog
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@ -1,39 +1,40 @@
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mbed TLS ChangeLog (Sorted per branch, date)
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= mbed TLS 1.3.22 branch released 2017-xx-xx
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= mbed TLS 1.3.22 branch released 2018-02-03
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Security
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* Fix heap corruption in implementation of truncated HMAC extension.
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When the truncated HMAC extension is enabled and CBC is used,
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sending a malicious application packet can be used to selectively
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corrupt 6 bytes on the peer's heap, potentially leading to crash or
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remote code execution. This can be triggered remotely from either
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side.
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* Fix buffer overflow in RSA-PSS verification when the hash is too
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large for the key size. Found by Seth Terashima, Qualcomm Product
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Security Initiative, Qualcomm Technologies Inc.
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* Fix buffer overflow in RSA-PSS verification when the unmasked
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data is all zeros.
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* Fix unsafe bounds check in ssl_parse_client_psk_identity() when adding
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64kB to the address of the SSL buffer wraps around.
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* Tighten should-be-constant-time memcmp against compiler optimizations.
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* Fix a heap corruption issue in the implementation of the truncated HMAC
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extension. When the truncated HMAC extension is enabled and CBC is used,
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sending a malicious application packet could be used to selectively corrupt
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6 bytes on the peer's heap, which could potentially lead to crash or remote
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code execution. The issue could be triggered remotely from either side in
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both TLS and DTLS. CVE-2018-0488
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* Fix a buffer overflow in RSA-PSS verification when the hash was too large
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for the key size, which could potentially lead to crash or remote code
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execution. Found by Seth Terashima, Qualcomm Product Security Initiative,
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Qualcomm Technologies Inc. CVE-2018-0487
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* Fix buffer overflow in RSA-PSS verification when the unmasked data is all
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zeros.
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* Fix an unsafe bounds check in ssl_parse_client_psk_identity() when adding
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64 KiB to the address of the SSL buffer and causing a wrap around.
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* Add a provision to prevent compiler optimizations breaking the time
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constancy of the internal function safer_memcmp().
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* Ensure that buffers are cleared after use if they contain sensitive data.
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Changes were introduced in multiple places in the library.
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* Set PEM buffer to zero before freeing it, to avoid decoded private keys
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being leaked to memory after release.
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* Fix dhm_check_range() failing to detect trivial subgroups and potentially
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leaking 1 bit of the private key. Reported by prashantkspatil.
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* Make mpi_read_binary constant-time with respect to
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the input data. Previously, trailing zero bytes were detected
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and omitted for the sake of saving memory, but potentially
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leading to slight timing differences.
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Reported by Marco Macchetti, Kudelski Group.
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* Make mpi_read_binary() constant-time with respect to the input
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data. Previously, trailing zero bytes were detected and omitted for the
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sake of saving memory, but potentially leading to slight timing
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differences. Reported by Marco Macchetti, Kudelski Group.
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* Wipe stack buffer temporarily holding EC private exponent
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after keypair generation.
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* Change default choice of DHE parameters from untrustworthy RFC 5114
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to RFC 3526 containing parameters generated in a nothing-up-my-sleeve
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manner.
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* Fix a potential heap buffer overread in ALPN extension parsing
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* Fix a potential heap buffer over-read in ALPN extension parsing
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(server-side). Could result in application crash, but only if an ALPN
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name larger than 16 bytes had been configured on the server.
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@ -72,24 +73,25 @@ Bugfix
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RSA implementations. Raised by J.B. in the Mbed TLS forum. Fixes #1011.
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* Don't print X.509 version tag for v1 CRT's, and omit extensions for
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non-v3 CRT's.
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* Fix bugs in RSA test suite under MBEDTLS_NO_PLATFORM_ENTROPY. #1023 #1024
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* Fix net_would_block to avoid modification by errno through fcntl call.
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* Fix bugs in RSA test suite under POLARSSL_NO_PLATFORM_ENTROPY. #1023 #1024
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* Fix net_would_block() to avoid modification by errno through fcntl() call.
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Found by nkolban. Fixes #845.
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* Fix handling of handshake messages in ssl_read in case
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* Fix handling of handshake messages in ssl_read() in case
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POLARSSL_SSL_DISABLE_RENEGOTIATION is set. Found by erja-gp.
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* Add a check for invalid private parameters in ecdsa_sign.
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* Add a check for invalid private parameters in ecdsa_sign().
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Reported by Yolan Romailler.
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* Fix word size check in in pk.c to not depend on MBEDTLS_HAVE_INT64.
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* Fix crash when calling mbedtls_ssl_cache_free() twice. Found by
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MilenkoMitrovic, #1104
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* Fix mbedtls_timing_alarm(0) on Unix and MinGW.
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* Fix use of uninitialized memory in mbedtls_timing_get_timer when reset=1.
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* Fix word size check in in pk.c to not depend on POLARSSL_HAVE_INT64.
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* Fix crash when calling ssl_cache_free() twice. Found by MilenkoMitrovic.
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#1104
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* Fix set_alarm(0) on Unix and MinGW.
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* Fix use of uninitialized memory in get_timer() when reset=1.
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* Fix issue in RSA key generation program programs/x509/rsa_genkey
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where the failure of CTR DRBG initialization lead to freeing an
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RSA context without proper initialization beforehand.
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* Fix bug in cipher decryption with POLARSSL_PADDING_ONE_AND_ZEROS that
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sometimes accepted invalid padding. (Not used in TLS.) Found and fixed
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by Micha Kraus.
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* Fix an issue in the cipher decryption with the mode
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POLARSSL_PADDING_ONE_AND_ZEROS that sometimes accepted invalid padding.
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Note, this padding mode is not used by the TLS protocol. Found and fixed by
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Micha Kraus.
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Changes
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* Extend cert_write example program by options to set the CRT version
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@ -103,8 +105,8 @@ Changes
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Security
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* Fix authentication bypass in SSL/TLS: when authmode is set to optional,
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mbedtls_ssl_get_verify_result() would incorrectly return 0 when the peer's
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X.509 certificate chain had more than MBEDTLS_X509_MAX_INTERMEDIATE_CA
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ssl_get_verify_result() would incorrectly return 0 when the peer's
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X.509 certificate chain had more than POLARSSL_X509_MAX_INTERMEDIATE_CA
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(default: 8) intermediates, even when it was not trusted. This could be
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triggered remotely from either side. (With authmode set to 'required'
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(the default), the handshake was correctly aborted).
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@ -123,11 +125,11 @@ API Changes
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Bugfix
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* Add a check if iv_len is zero in GCM, and return an error if it is zero.
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Reported by roberto. #716
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* Replace preprocessor condition from #if defined(MBEDTLS_THREADING_PTHREAD)
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to #if defined(MBEDTLS_THREADING_C) as the library cannot assume they will
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* Replace preprocessor condition from #if defined(POLARSSL_THREADING_PTHREAD)
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to #if defined(POLARSSL_THREADING_C) as the library cannot assume they will
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always be implemented by pthread support. Fix for #696
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* Fix a resource leak on Windows platforms in mbedtls_x509_crt_parse_path(),
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in the case of an error. Found by redplait. #590
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* Fix a resource leak on Windows platforms in x509_crt_parse_path(), in the
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case of an error. Found by redplait. #590
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* Add MPI_CHK to check for error value of mpi_fill_random.
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Backported from a report and fix suggestion by guidovranken in #740
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* Fix a potential integer overflow in the version verification for DER
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@ -175,9 +177,9 @@ Bugfix
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resulting in compatibility problems with Chrome. Found by hfloyrd. #823
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* Accept empty trusted CA chain in authentication mode
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SSL_VERIFY_OPTIONAL. Found by jethrogb. #864.
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* Fix implementation of mbedtls_ssl_parse_certificate() to not annihilate
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fatal errors in authentication mode MBEDTLS_SSL_VERIFY_OPTIONAL and to
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reflect bad EC curves within verification result.
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* Fix implementation of ssl_parse_certificate() to not annihilate fatal
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errors in authentication mode MBEDTLS_SSL_VERIFY_OPTIONAL and to reflect
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bad EC curves within verification result.
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* Fix bug that caused the modular inversion function to accept the invalid
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modulus 1 and therefore to hang. Found by blaufish. #641.
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* Fix incorrect sign computation in modular exponentiation when the base is
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