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Merge remote-tracking branch 'upstream-restricted/pr/459' into development-restricted-proposed

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This commit is contained in:
Jaeden Amero 2018-03-14 18:13:47 +00:00
commit 24b2d6fb6d
4 changed files with 25 additions and 9 deletions
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2
ChangeLog
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@ -65,6 +65,8 @@ Bugfix
could cause a key exchange to fail on valid data. could cause a key exchange to fail on valid data.
* Don't define mbedtls_aes_decrypt and mbedtls_aes_encrypt under * Don't define mbedtls_aes_decrypt and mbedtls_aes_encrypt under
MBEDTLS_DEPRECATED_REMOVED. #1388 MBEDTLS_DEPRECATED_REMOVED. #1388
* Fix a 1-byte heap buffer overflow (read-only) during private key parsing.
Found through fuzz testing.
Changes Changes
* Fix tag lengths and value ranges in the documentation of CCM encryption. * Fix tag lengths and value ranges in the documentation of CCM encryption.

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; 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 */ /* Tag may be either OID or SEQUENCE */
params->tag = **p; params->tag = **p;
if( params->tag != MBEDTLS_ASN1_OID if( params->tag != MBEDTLS_ASN1_OID

24
tests/suites/test_suite_pkparse.data
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@ -1053,22 +1053,32 @@ 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 pk_parse_keyfile_ec:"data_files/ec_prv.specdom.der":"NULL":0
Key ASN1 (Incorrect first tag) 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) 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) 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) 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) 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) 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) Key ASN1 (RSAPrivateKey, values present, check_privkey fails)
pk_parse_key_rsa:"301b020100020102020101020101020101020101020101020101020101":"":MBEDTLS_ERR_PK_KEY_INVALID_FORMAT depends_on:MBEDTLS_RSA_C
pk_parse_key:"301b020100020102020101020101020101020101020101020101020101":"":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
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@ -113,8 +113,8 @@ exit:
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_RSA_C */ /* BEGIN_CASE */
void pk_parse_key_rsa( char *key_data, char *result_str, int result ) void pk_parse_key( char *key_data, char *result_str, int result )
{ {
mbedtls_pk_context pk; mbedtls_pk_context pk;
unsigned char buf[2000]; unsigned char buf[2000];