From 5707a6bf8bef25d2c59d48bf6ba7a2a8fd4c2007 Mon Sep 17 00:00:00 2001
From: William Toohey <will@mon.im>
Date: Mon, 3 May 2021 22:32:27 +1000
Subject: [PATCH] is_binary_xml: don't explode on too-short inputs

---
 kbinxml/kbinxml.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kbinxml/kbinxml.py b/kbinxml/kbinxml.py
index 86e5e5d..d20130c 100644
--- a/kbinxml/kbinxml.py
+++ b/kbinxml/kbinxml.py
@@ -68,6 +68,9 @@ class KBinXML():
 
     @staticmethod
     def is_binary_xml(input):
+        if len(input) < 2:
+            return False
+
         nodeBuf = ByteBuffer(input)
         return (nodeBuf.get_u8() == SIGNATURE and
             nodeBuf.get_u8() in (SIG_COMPRESSED, SIG_UNCOMPRESSED))