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Merge remote-tracking branch 'upstream-restricted/pr/395' into mbedtls-2.1-restricted-proposed

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This commit is contained in:
Jaeden Amero 2018-03-14 18:16:29 +00:00
commit 5e50ff8f44
4 changed files with 25 additions and 9 deletions
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2
ChangeLog
View File

@ -64,6 +64,8 @@ Bugfix
that could cause a key exchange to fail on valid data.
* Fix a possible arithmetic overflow in ssl_parse_server_psk_hint() that
could cause a key exchange to fail on valid data.
* Fix a 1-byte heap buffer overflow (read-only) during private key parsing.
Found through fuzz testing.
Changes
* Clarified the documentation of mbedtls_ssl_setup.

4
library/pkparse.c
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@ -181,6 +181,10 @@ static int pk_get_ecparams( unsigned char **p, const unsigned char *end,
{
int ret;
if ( end - *p < 1 )
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
MBEDTLS_ERR_ASN1_OUT_OF_DATA );
/* Tag may be either OID or SEQUENCE */
params->tag = **p;
if( params->tag != MBEDTLS_ASN1_OID

24
tests/suites/test_suite_pkparse.data
View File

@ -1043,22 +1043,32 @@ depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256K1_ENABLED:MB
pk_parse_keyfile_ec:"data_files/ec_prv.specdom.der":"NULL":0
Key ASN1 (Incorrect first tag)
pk_parse_key_rsa:"":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
pk_parse_key:"":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, incorrect version tag)
pk_parse_key_rsa:"300100":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"300100":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, version tag missing)
pk_parse_key_rsa:"3000":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"3000":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, invalid version)
pk_parse_key_rsa:"3003020101":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"3003020101":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, correct version, incorrect tag)
pk_parse_key_rsa:"300402010000":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"300402010000":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, values present, length mismatch)
pk_parse_key_rsa:"301c02010002010102010102010102010102010102010102010102010100":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"301c02010002010102010102010102010102010102010102010102010100":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (RSAPrivateKey, values present, check_privkey fails)
pk_parse_key_rsa:"301b020100020101020101020101020101020101020101020101020101":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
depends_on:MBEDTLS_RSA_C
pk_parse_key:"301b020100020101020101020101020101020101020101020101020101":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT
Key ASN1 (ECPrivateKey, empty parameters)
depends_on:MBEDTLS_ECP_C
pk_parse_key:"30070201010400a000":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT

4
tests/suites/test_suite_pkparse.function
View File

@ -113,8 +113,8 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */
void pk_parse_key_rsa( char *key_data, char *result_str, int result )
/* BEGIN_CASE */
void pk_parse_key( char *key_data, char *result_str, int result )
{
mbedtls_pk_context pk;
unsigned char buf[2000];