Check for V_ASN1_BOOLEAN/V_ASN1_NULL in X509_ATTRIBUTE_get0_data

The member value.ptr is undefined for those ASN1 types.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9278)
This commit is contained in:
Bernd Edlinger 2019-07-01 09:41:47 +02:00
parent 6335f837cf
commit 94f4d58a87

View File

@ -314,7 +314,9 @@ void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
if (!ttmp)
return NULL;
if (atrtype != ASN1_TYPE_get(ttmp)) {
if (atrtype == V_ASN1_BOOLEAN
|| atrtype == V_ASN1_NULL
|| atrtype != ASN1_TYPE_get(ttmp)) {
X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE);
return NULL;
}