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diff --git a/src/kdc/do_as_req.c b/src/kdc/do_as_req.c
index 23623fe..8ada9d0 100644
--- a/src/kdc/do_as_req.c
+++ b/src/kdc/do_as_req.c
@@ -463,7 +463,7 @@ process_as_req(krb5_kdc_req *request, krb5_data *req_pkt,
krb5_enctype useenctype;
struct as_req_state *state;
- state = malloc(sizeof(*state));
+ state = calloc(sizeof(*state), 1);
if (!state) {
(*respond)(arg, ENOMEM, NULL);
return;
@@ -486,6 +486,7 @@ process_as_req(krb5_kdc_req *request, krb5_data *req_pkt,
state->authtime = 0;
state->c_flags = 0;
state->req_pkt = req_pkt;
+ state->inner_body = NULL;
state->rstate = NULL;
state->sname = 0;
state->cname = 0;
diff --git a/src/kdc/kdc_preauth.c b/src/kdc/kdc_preauth.c
index 9d8cb34..d4ece3f 100644
--- a/src/kdc/kdc_preauth.c
+++ b/src/kdc/kdc_preauth.c
@@ -1438,7 +1438,8 @@ etype_info_helper(krb5_context context, krb5_kdc_req *request,
continue;
}
- if (request_contains_enctype(context, request, db_etype)) {
+ if (krb5_is_permitted_enctype(context, db_etype) &&
+ request_contains_enctype(context, request, db_etype)) {
retval = _make_etype_info_entry(context, client->princ,
client_key, db_etype,
&entry[i], etype_info2);
diff --git a/src/kdc/kdc_util.c b/src/kdc/kdc_util.c
index a43b291..94dad3a 100644
--- a/src/kdc/kdc_util.c
+++ b/src/kdc/kdc_util.c
@@ -2461,6 +2461,7 @@ kdc_handle_protected_negotiation(krb5_data *req_pkt, krb5_kdc_req *request,
return 0;
pa.magic = KV5M_PA_DATA;
pa.pa_type = KRB5_ENCPADATA_REQ_ENC_PA_REP;
+ memset(&checksum, 0, sizeof(checksum));
retval = krb5_c_make_checksum(kdc_context,0, reply_key,
KRB5_KEYUSAGE_AS_REQ, req_pkt, &checksum);
if (retval != 0)
diff --git a/src/lib/kdb/kdb_default.c b/src/lib/kdb/kdb_default.c
index c4bf92e..367c894 100644
--- a/src/lib/kdb/kdb_default.c
+++ b/src/lib/kdb/kdb_default.c
@@ -61,6 +61,9 @@ krb5_dbe_def_search_enctype(kcontext, dbentp, start, ktype, stype, kvno, kdatap)
krb5_boolean saw_non_permitted = FALSE;
ret = 0;
+ if (ktype != -1 && !krb5_is_permitted_enctype(kcontext, ktype))
+ return KRB5_KDB_NO_PERMITTED_KEY;
+
if (kvno == -1 && stype == -1 && ktype == -1)
kvno = 0;
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