From ee0bd3f7716546f679bd390d7b681fedf949b2fb Mon Sep 17 00:00:00 2001 From: Marcin Zelent Date: Wed, 30 May 2018 18:27:51 +0200 Subject: Added buffer overflow example --- examples/buffer-overflow/buffer-overflow | Bin 0 -> 8520 bytes examples/buffer-overflow/buffer-overflow.c | 18 +++++++++++++++ examples/sql-injection/index.html | 25 ++++++++++++++++++++ examples/sql-injection/login.php | 23 ++++++++++++++++++ examples/sql-injection/users.db | Bin 0 -> 8192 bytes examples/xss/comments.db | Bin 0 -> 8192 bytes examples/xss/index.php | 36 +++++++++++++++++++++++++++++ 7 files changed, 102 insertions(+) create mode 100755 examples/buffer-overflow/buffer-overflow create mode 100644 examples/buffer-overflow/buffer-overflow.c create mode 100644 examples/sql-injection/index.html create mode 100644 examples/sql-injection/login.php create mode 100644 examples/sql-injection/users.db create mode 100644 examples/xss/comments.db create mode 100644 examples/xss/index.php (limited to 'examples') diff --git a/examples/buffer-overflow/buffer-overflow b/examples/buffer-overflow/buffer-overflow new file mode 100755 index 0000000..c518559 Binary files /dev/null and b/examples/buffer-overflow/buffer-overflow differ diff --git a/examples/buffer-overflow/buffer-overflow.c b/examples/buffer-overflow/buffer-overflow.c new file mode 100644 index 0000000..96f0ee8 --- /dev/null +++ b/examples/buffer-overflow/buffer-overflow.c @@ -0,0 +1,18 @@ +#include +#include + +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; +} diff --git a/examples/sql-injection/index.html b/examples/sql-injection/index.html new file mode 100644 index 0000000..d3e760b --- /dev/null +++ b/examples/sql-injection/index.html @@ -0,0 +1,25 @@ + + + + Login page + + + + +

Login

+ + + diff --git a/examples/sql-injection/login.php b/examples/sql-injection/login.php new file mode 100644 index 0000000..826c38c --- /dev/null +++ b/examples/sql-injection/login.php @@ -0,0 +1,23 @@ +open('users.db'); + } + } + + if(isset($_POST['email'], $_POST['pass'])) + { + $email = $_POST['email']; + $pass = $_POST['pass']; + + $db = new MyDB(); + + $sql = 'SELECT * FROM Users WHERE email=\''.$email.'\' AND password=\''.$pass.'\''; + + $ret = $db->query($sql); + while($row = $ret->fetchArray(SQLITE3_ASSOC)) { + echo 'Logged in as '.$row['email'].'
'; + } + $db->close(); + } +?> diff --git a/examples/sql-injection/users.db b/examples/sql-injection/users.db new file mode 100644 index 0000000..9ddf64e Binary files /dev/null and b/examples/sql-injection/users.db differ diff --git a/examples/xss/comments.db b/examples/xss/comments.db new file mode 100644 index 0000000..32114c2 Binary files /dev/null and b/examples/xss/comments.db differ diff --git a/examples/xss/index.php b/examples/xss/index.php new file mode 100644 index 0000000..e645517 --- /dev/null +++ b/examples/xss/index.php @@ -0,0 +1,36 @@ +open('comments.db'); + } + } + + if (isset($_POST['user'], $_POST['comment'])) { + $user = $_POST['user']; + $comment = $_POST['comment']; + + $db = new MyDB(); + + $sql = 'INSERT INTO Comments VALUES(\'' . $user . '\',\'' . $comment . '\')'; + $ret = $db->exec($sql); + $db->close(); + } + + echo 'Comments' . + '

Comments

'; + + $db = new MyDB(); + + $sql = 'SELECT * FROM Comments'; + $ret = $db->query($sql); + while ($row = $ret->fetchArray(SQLITE3_ASSOC)) + echo '

' . $row['user'] . ' says:
' . $row['comment'] . '

'; + + $db->close(); + + echo '

Add comment

'; +?> -- cgit v1.2.3