From b3d3e3b2101b176499ef716fa993bd82f194790f Mon Sep 17 00:00:00 2001
From: Toni Uhlig <matzeton@googlemail.com>
Date: Mon, 4 Jul 2022 12:01:11 +0200
Subject: Replaced malicious JA3-md5/SSL-cert-sha1 ac automata with hashmaps.

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
---
 src/lib/ndpi_utils.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/lib/ndpi_utils.c')

diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index c75ecf151..f243b62fb 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -2130,7 +2130,10 @@ int ndpi_hash_find_entry(ndpi_str_hash *h, char *key, u_int key_len, void **valu
   HASH_FIND_INT(h_priv, &hash_value, found);
   if (found != NULL)
   {
-    *value = found->value;
+    if (value != NULL)
+    {
+      *value = found->value;
+    }
     return 0;
   } else {
     return 1;
-- 
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