Make a buffer limit more specific

This commit is contained in:
k-stachowiak 2018-06-28 16:32:54 +02:00
parent 470dfbabb9
commit dcae78a7a9

View file

@ -574,7 +574,8 @@ static int x509_get_crt_ext( unsigned char **p,
end_ext_data = *p + len;
/* Get extension ID */
if( ( ret = mbedtls_asn1_get_tag( p, end, &extn_oid.len, MBEDTLS_ASN1_OID ) ) != 0 )
if( ( ret = mbedtls_asn1_get_tag( p, end_ext_data, &extn_oid.len,
MBEDTLS_ASN1_OID ) ) != 0 )
return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
extn_oid.tag = MBEDTLS_ASN1_OID;