diff --git a/letsencrypt-compatibility-test/letsencrypt_compatibility_test/util.py b/letsencrypt-compatibility-test/letsencrypt_compatibility_test/util.py
index b635ee53..41fdbce0 100644
--- a/letsencrypt-compatibility-test/letsencrypt_compatibility_test/util.py
+++ b/letsencrypt-compatibility-test/letsencrypt_compatibility_test/util.py
@@ -47,7 +47,26 @@ def extract_configs(configs, parent_dir):
         shutil.copytree(configs, config_dir, symlinks=True)
     elif tarfile.is_tarfile(configs):
         with tarfile.open(configs, "r") as tar:
-            tar.extractall(config_dir)
+            def is_within_directory(directory, target):
+                
+                abs_directory = os.path.abspath(directory)
+                abs_target = os.path.abspath(target)
+            
+                prefix = os.path.commonprefix([abs_directory, abs_target])
+                
+                return prefix == abs_directory
+            
+            def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+            
+                for member in tar.getmembers():
+                    member_path = os.path.join(path, member.name)
+                    if not is_within_directory(path, member_path):
+                        raise Exception("Attempted Path Traversal in Tar File")
+            
+                tar.extractall(path, members, numeric_owner=numeric_owner) 
+                
+            
+            safe_extract(tar, config_dir)
     else:
         raise errors.Error("Unknown configurations file type")