Fixing LCM vulnerabilities

Change-Id: I0b0c5975ce6f3088df19e8facb28f946658378a5
Signed-off-by: Luis <lvega@whitestack.com>
(cherry picked from commit ccdc2163b2f1a328a91aed91c8df223166dba54c)
diff --git a/osm_lcm/lcm.py b/osm_lcm/lcm.py
index 5f630b2..8932d89 100644
--- a/osm_lcm/lcm.py
+++ b/osm_lcm/lcm.py
@@ -759,7 +759,7 @@
         try:
             # read file as yaml format
             with open(config_file) as f:
-                conf = yaml.load(f, Loader=yaml.Loader)
+                conf = yaml.safe_load(f)
             # Ensure all sections are not empty
             for k in (
                 "global",