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Merge pull request #681 from ARMmbed/prepare-rc-2.22.0-updated

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Prepare rc 2.22.0 updated
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Janos Follath 2020-04-09 14:12:10 +01:00 committed by GitHub
commit 105c99624a
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8 changed files with 68 additions and 14 deletions
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16
ChangeLog
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@ -1,6 +1,6 @@
mbed TLS ChangeLog (Sorted per branch, date)
= mbed TLS x.x.x branch released xxxx-xx-xx
= mbed TLS 2.22.0 branch released 2020-04-14
New deprecations
* Deprecate MBEDTLS_SSL_HW_RECORD_ACCEL that enables function hooks in the
@ -13,12 +13,26 @@ Security
legitimate clients, resulting in a Denial of Service. This could only
happen when MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE was enabled in config.h
(which it is by default).
* Fix side channel in ECC code that allowed an adversary with access to
precise enough timing and memory access information (typically an
untrusted operating system attacking a secure enclave) to fully recover
an ECDSA private key. Found and reported by Alejandro Cabrera Aldaya,
Billy Brumley and Cesar Pereida Garcia. CVE-2020-10932
* Fix a potentially remotely exploitable buffer overread in a
DTLS client when parsing the Hello Verify Request message.
Features
* The new build option MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH automatically
resizes the I/O buffers before and after handshakes, reducing the memory
consumption during application data transfer.
Bugfix
* Fix compilation failure when both MBEDTLS_SSL_PROTO_DTLS and
MBEDTLS_SSL_HW_RECORD_ACCEL are enabled.
* Remove a spurious check in ssl_parse_client_psk_identity that triggered
a warning with some compilers. Fix contributed by irwir in #2856.
* Fix a function name in a debug message. Contributed by Ercan Ozturk in
#3013.
Changes
* Mbed Crypto is no longer a Git submodule. The crypto part of the library

2
doxygen/input/doc_mainpage.h
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@ -24,7 +24,7 @@
*/
/**
* @mainpage mbed TLS v2.21.0 source code documentation
* @mainpage mbed TLS v2.22.0 source code documentation
*
* This documentation describes the internal structure of mbed TLS. It was
* automatically generated from specially formatted comment blocks in

2
doxygen/mbedtls.doxyfile
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@ -28,7 +28,7 @@ DOXYFILE_ENCODING = UTF-8
# identify the project. Note that if you do not use Doxywizard you need
# to put quotes around the project name if it contains spaces.
PROJECT_NAME = "mbed TLS v2.21.0"
PROJECT_NAME = "mbed TLS v2.22.0"
# The PROJECT_NUMBER tag can be used to enter a project or revision number.
# This could be handy for archiving the generated documentation or

8
include/mbedtls/version.h
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@ -39,7 +39,7 @@
* Major, Minor, Patchlevel
*/
#define MBEDTLS_VERSION_MAJOR 2
#define MBEDTLS_VERSION_MINOR 21
#define MBEDTLS_VERSION_MINOR 22
#define MBEDTLS_VERSION_PATCH 0
/**
@ -47,9 +47,9 @@
* MMNNPP00
* Major version | Minor version | Patch version
*/
#define MBEDTLS_VERSION_NUMBER 0x02150000
#define MBEDTLS_VERSION_STRING "2.21.0"
#define MBEDTLS_VERSION_STRING_FULL "mbed TLS 2.21.0"
#define MBEDTLS_VERSION_NUMBER 0x02160000
#define MBEDTLS_VERSION_STRING "2.22.0"
#define MBEDTLS_VERSION_STRING_FULL "mbed TLS 2.22.0"
#if defined(MBEDTLS_VERSION_C)

6
library/CMakeLists.txt
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@ -187,19 +187,19 @@ endif(USE_STATIC_MBEDTLS_LIBRARY)
if(USE_SHARED_MBEDTLS_LIBRARY)
add_library(mbedcrypto SHARED ${src_crypto})
set_target_properties(mbedcrypto PROPERTIES VERSION 2.21.0 SOVERSION 4)
set_target_properties(mbedcrypto PROPERTIES VERSION 2.22.0 SOVERSION 4)
target_link_libraries(mbedcrypto ${libs})
target_include_directories(mbedcrypto
PUBLIC ${MBEDTLS_DIR}/include/)
add_library(mbedx509 SHARED ${src_x509})
set_target_properties(mbedx509 PROPERTIES VERSION 2.21.0 SOVERSION 1)
set_target_properties(mbedx509 PROPERTIES VERSION 2.22.0 SOVERSION 1)
target_link_libraries(mbedx509 ${libs} mbedcrypto)
target_include_directories(mbedx509
PUBLIC ${MBEDTLS_DIR}/include/)
add_library(mbedtls SHARED ${src_tls})
set_target_properties(mbedtls PROPERTIES VERSION 2.21.0 SOVERSION 13)
set_target_properties(mbedtls PROPERTIES VERSION 2.22.0 SOVERSION 13)
target_link_libraries(mbedtls ${libs} mbedx509)
target_include_directories(mbedtls
PUBLIC ${MBEDTLS_DIR}/include/)

28
library/ecp.c
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@ -2016,6 +2016,20 @@ static int ecp_mul_comb_after_precomp( const mbedtls_ecp_group *grp,
final_norm:
#endif
/*
* Knowledge of the jacobian coordinates may leak the last few bits of the
* scalar [1], and since our MPI implementation isn't constant-flow,
* inversion (used for coordinate normalization) may leak the full value
* of its input via side-channels [2].
*
* [1] https://eprint.iacr.org/2003/191
* [2] https://eprint.iacr.org/2020/055
*
* Avoid the leak by randomizing coordinates before we normalize them.
*/
if( f_rng != 0 )
MBEDTLS_MPI_CHK( ecp_randomize_jac( grp, RR, f_rng, p_rng ) );
MBEDTLS_ECP_BUDGET( MBEDTLS_ECP_OPS_INV );
MBEDTLS_MPI_CHK( ecp_normalize_jac( grp, RR ) );
@ -2388,6 +2402,20 @@ static int ecp_mul_mxz( mbedtls_ecp_group *grp, mbedtls_ecp_point *R,
MBEDTLS_MPI_CHK( mbedtls_mpi_safe_cond_swap( &R->Z, &RP.Z, b ) );
}
/*
* Knowledge of the projective coordinates may leak the last few bits of the
* scalar [1], and since our MPI implementation isn't constant-flow,
* inversion (used for coordinate normalization) may leak the full value
* of its input via side-channels [2].
*
* [1] https://eprint.iacr.org/2003/191
* [2] https://eprint.iacr.org/2020/055
*
* Avoid the leak by randomizing coordinates before we normalize them.
*/
if( f_rng != NULL )
MBEDTLS_MPI_CHK( ecp_randomize_mxz( grp, R, f_rng, p_rng ) );
MBEDTLS_MPI_CHK( ecp_normalize_mxz( grp, R ) );
cleanup:

16
library/ssl_cli.c
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@ -1578,6 +1578,19 @@ static int ssl_parse_hello_verify_request( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse hello verify request" ) );
/* Check that there is enough room for:
* - 2 bytes of version
* - 1 byte of cookie_len
*/
if( mbedtls_ssl_hs_hdr_len( ssl ) + 3 > ssl->in_msglen )
{
MBEDTLS_SSL_DEBUG_MSG( 1,
( "incoming HelloVerifyRequest message is too short" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
}
/*
* struct {
* ProtocolVersion server_version;
@ -1606,8 +1619,6 @@ static int ssl_parse_hello_verify_request( mbedtls_ssl_context *ssl )
}
cookie_len = *p++;
MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
if( ( ssl->in_msg + ssl->in_msglen ) - p < cookie_len )
{
MBEDTLS_SSL_DEBUG_MSG( 1,
@ -1616,6 +1627,7 @@ static int ssl_parse_hello_verify_request( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
}
MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
mbedtls_free( ssl->handshake->verify_cookie );

4
tests/suites/test_suite_version.data
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@ -1,8 +1,8 @@
Check compiletime library version
check_compiletime_version:"2.21.0"
check_compiletime_version:"2.22.0"
Check runtime library version
check_runtime_version:"2.21.0"
check_runtime_version:"2.22.0"
Check for MBEDTLS_VERSION_C
check_feature:"MBEDTLS_VERSION_C":0