AuroraMiddleware/mbedtls
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Merge remote-tracking branch 'upstream-restricted/pr/463' into development-restricted-proposed

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This commit is contained in:
Jaeden Amero 2018-03-14 18:29:50 +00:00
commit 79a5e72719
7 changed files with 124 additions and 4 deletions
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2
ChangeLog
View File

@ -23,6 +23,8 @@ Security
a crash on invalid input.
* Fix a buffer overread in ssl_parse_server_psk_hint() that could cause a
crash on invalid input.
* Fix CRL parsing to reject CRLs containing unsupported critical
extensions. Found by Falko Strenzke and Evangelos Karatsiolis.
Features
* Extend PKCS#8 interface by introducing support for the entire SHA

57
library/x509_crl.c
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@ -95,17 +95,23 @@ static int x509_crl_get_version( unsigned char **p,
}
/*
* X.509 CRL v2 extensions (no extensions parsed yet.)
* X.509 CRL v2 extensions
*
* We currently don't parse any extension's content, but we do check that the
* list of extensions is well-formed and abort on critical extensions (that
* are unsupported as we don't support any extension so far)
*/
static int x509_get_crl_ext( unsigned char **p,
const unsigned char *end,
mbedtls_x509_buf *ext )
{
int ret;
size_t len = 0;
/* Get explicit tag */
if( ( ret = mbedtls_x509_get_ext( p, end, ext, 0) ) != 0 )
/*
* crlExtensions [0] EXPLICIT Extensions OPTIONAL
* -- if present, version MUST be v2
*/
if( ( ret = mbedtls_x509_get_ext( p, end, ext, 0 ) ) != 0 )
{
if( ret == MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
return( 0 );
@ -115,11 +121,54 @@ static int x509_get_crl_ext( unsigned char **p,
while( *p < end )
{
/*
* Extension ::= SEQUENCE {
* extnID OBJECT IDENTIFIER,
* critical BOOLEAN DEFAULT FALSE,
* extnValue OCTET STRING }
*/
int is_critical = 0;
const unsigned char *end_ext_data;
size_t len;
/* Get enclosing sequence tag */
if( ( ret = mbedtls_asn1_get_tag( p, end, &len,
MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
end_ext_data = *p + len;
/* Get OID (currently ignored) */
if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &len,
MBEDTLS_ASN1_OID ) ) != 0 )
{
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
}
*p += len;
/* Get optional critical */
if( ( ret = mbedtls_asn1_get_bool( p, end_ext_data,
&is_critical ) ) != 0 &&
( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) )
{
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
}
/* Data should be octet string type */
if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &len,
MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
/* Ignore data so far and just check its length */
*p += len;
if( *p != end_ext_data )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
/* Abort on (unsupported) critical extensions */
if( is_critical )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
}
if( *p != end )

7
tests/data_files/Makefile
View File

@ -46,6 +46,13 @@ test-ca-sha256.crt: $(test_ca_key_file_rsa) $(test_ca_config_file) test-ca.csr
$(OPENSSL) req -x509 -config $(test_ca_config_file) -key $(test_ca_key_file_rsa) -passin "pass:$(test_ca_pwd_rsa)" -set_serial 0 -days 3653 -sha256 -in test-ca.csr -out $@
all_final += test-ca-sha256.crt
crl-idp.pem: $(test_ca_crt) $(test_ca_key_file_rsa) $(test_ca_config_file)
$(OPENSSL) ca -gencrl -batch -cert $(test_ca_crt) -keyfile $(test_ca_key_file_rsa) -key $(test_ca_pwd_rsa) -config $(test_ca_config_file) -name test_ca -md sha256 -crldays 3653 -crlexts crl_ext_idp -out $@
all_final += crl-idp.pem
crl-idpnc.pem: $(test_ca_crt) $(test_ca_key_file_rsa) $(test_ca_config_file)
$(OPENSSL) ca -gencrl -batch -cert $(test_ca_crt) -keyfile $(test_ca_key_file_rsa) -key $(test_ca_pwd_rsa) -config $(test_ca_config_file) -name test_ca -md sha256 -crldays 3653 -crlexts crl_ext_idp_nc -out $@
all_final += crl-idpnc.pem
cli_crt_key_file_rsa = cli-rsa.key
cli_crt_extensions_file = cli.opensslconf

12
tests/data_files/crl-idp.pem Normal file
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@ -0,0 +1,12 @@
-----BEGIN X509 CRL-----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-----END X509 CRL-----

12
tests/data_files/crl-idpnc.pem Normal file
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@ -0,0 +1,12 @@
-----BEGIN X509 CRL-----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-----END X509 CRL-----

12
tests/data_files/test-ca.opensslconf
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@ -11,3 +11,15 @@ commonName = PolarSSL Test CA
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid:always,issuer:always
basicConstraints = CA:true
[test_ca]
database = /dev/null
[crl_ext_idp]
issuingDistributionPoint=critical, @idpdata
[crl_ext_idp_nc]
issuingDistributionPoint=@idpdata
[idpdata]
fullname=URI:http://pki.example.com/

26
tests/suites/test_suite_x509parse.data
View File

@ -202,6 +202,14 @@ X509 CRL Malformed Input (trailing spaces at end of file)
depends_on:MBEDTLS_PEM_PARSE_C
mbedtls_x509_crl_parse:"data_files/crl-malformed-trailing-spaces.pem":MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT
X509 CRL Unsupported critical extension (issuingDistributionPoint)
depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
mbedtls_x509_crl_parse:"data_files/crl-idp.pem":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_UNEXPECTED_TAG
X509 CRL Unsupported non-critical extension (issuingDistributionPoint)
depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_RSA_C:MBEDTLS_SHA256_C
mbedtls_x509_crl_parse:"data_files/crl-idpnc.pem":0
X509 CSR Information RSA with MD4
depends_on:MBEDTLS_PEM_PARSE_C:MBEDTLS_MD4_C
mbedtls_x509_csr_info:"data_files/server1.req.md4":"CSR version \: 1\nsubject name \: C=NL, O=PolarSSL, CN=PolarSSL Server 1\nsigned using \: RSA with MD4\nRSA key size \: 2048 bits\n"
@ -1218,6 +1226,24 @@ x509parse_crl:"30463031020102300d06092a864886f70d01010e0500300f310d300b060355040
X509 CRL ASN1 (invalid version overflow)
x509parse_crl:"3049303102047FFFFFFF300d06092a864886f70d01010e0500300f310d300b0603550403130441424344170c303930313031303030303030300d06092a864886f70d01010e050003020001":"":MBEDTLS_ERR_X509_UNKNOWN_VERSION
X509 CRL ASN1 (extension seq too long, crl-idp.pem byte 121)
x509parse_crl:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_OUT_OF_DATA
X509 CRL ASN1 (extension oid too long, crl-idp.pem byte 123)
x509parse_crl:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_OUT_OF_DATA
X509 CRL ASN1 (extension critical invalid length, crl-idp.pem byte 128)
x509parse_crl:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_INVALID_LENGTH
X509 CRL ASN1 (extension data too long, crl-idp.pem byte 131)
x509parse_crl:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_OUT_OF_DATA
X509 CRL ASN1 (extension data too short, crl-idp.pem byte 131)
x509parse_crl:"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":"":MBEDTLS_ERR_X509_INVALID_EXTENSIONS + MBEDTLS_ERR_ASN1_LENGTH_MISMATCH
X509 CRL ASN1 (extension not critical explicit, crl-idp.pem byte 129)
x509parse_crl:"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":"CRL version \: 2\nissuer name \: C=NL, O=PolarSSL, CN=PolarSSL Test CA\nthis update \: 2018-03-14 07\:31\:48\nnext update \: 2028-03-14 07\:31\:48\nRevoked certificates\:\nsigned using \: RSA with SHA-256\n":0
X509 CRT parse path #2 (one cert)
depends_on:MBEDTLS_SHA1_C:MBEDTLS_RSA_C
mbedtls_x509_crt_parse_path:"data_files/dir1":0:1