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Add guard for empty AttributeValue

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Signed-off-by: Agathiyan Bragadeesh <agathiyan.bragadeesh2@arm.com>
This commit is contained in:
Agathiyan Bragadeesh 2023-08-23 11:28:30 +01:00
parent 15df01240d
commit 4c7d7bf583
1 changed files with 4 additions and 1 deletions
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5
library/x509_create.c
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@ -273,7 +273,10 @@ int mbedtls_x509_string_to_names(mbedtls_asn1_named_data **head, const char *nam
} }
if (!in_attr_type && ((*c == ',' && *(c-1) != '\\') || c == end)) { if (!in_attr_type && ((*c == ',' && *(c-1) != '\\') || c == end)) {
if (*s == '#') { if (s >= end) {
mbedtls_free(oid.p);
return MBEDTLS_ERR_X509_INVALID_NAME;
} else if (*s == '#') {
#if defined(MBEDTLS_ASN1_PARSE_C) #if defined(MBEDTLS_ASN1_PARSE_C)
if ((parse_ret = if ((parse_ret =
parse_attribute_value_der_encoded(s, (int) (c - s), data, &data_len, parse_attribute_value_der_encoded(s, (int) (c - s), data, &data_len,