Fix bug #7448 - smbd crash when sambaLMPassword and sambaNTPassword entries missing...

Protect SMBsesskeygen_ntv1() from a NULL pointer.

diff --git a/source3/auth/check_samsec.c b/source3/auth/check_samsec.c
index bd8cb4bb64d35de593f53f17f055e925aec41198..db2bde7bbc4be14f46c315be22f3a9a89df2122f 100644 (file)
--- a/source3/auth/check_samsec.c
+++ b/source3/auth/check_samsec.c
@@ -78,6 +78,9 @@ static NTSTATUS sam_password_ok(TALLOC_CTX *mem_ctx,
        }
 
        if (client_lm_hash || client_nt_hash) {
+               if (!nt_pw) {
+                       return NT_STATUS_WRONG_PASSWORD;
+               }
                *user_sess_key = data_blob_talloc(mem_ctx, NULL, 16);
                if (!user_sess_key->data) {
                        return NT_STATUS_NO_MEMORY;