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Restructured SQL Injection introduction lesson and created new required lesson-pages.

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Benedikt - Desktop 2018-11-02 11:33:52 +01:00 committed by Nanne Baars
parent 2334b3c02d
commit 2fdde982eb
15 changed files with 99 additions and 83 deletions
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webgoat-lessons/sql-injection/src/main/resources/html/SqlInjection.html
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<html xmlns:th="http://www.thymeleaf.org"> <html xmlns:th="http://www.thymeleaf.org">
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_plan.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_plan.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content1.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content1.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content2.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content2.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content3.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content3.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content4.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content4.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content5_before.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content5_before.adoc"></div>
<div> <div>
<label for="username-preview">Username:</label> <label for="username-preview">Username:</label>
<input id="preview-input" type="text" name="username" val=""/> <input id="preview-input" type="text" name="username" val=""/>
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}); });
</script> </script>
</div> </div>
<div class="adoc-content" th:replace="doc:SqlInjection_content5_after.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content5_after.adoc"></div>
</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content5a.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content6.adoc"></div>
</div>
<div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_introduction_content7.adoc"></div>
</div>
<div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_introduction_content8.adoc"></div>
<div class="attack-container"> <div class="attack-container">
<div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div> <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
<form class="attack-form" accept-charset="UNKNOWN" <form class="attack-form" accept-charset="UNKNOWN"
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</div> </div>
<div class="lesson-page-wrapper"> <div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_content5b.adoc"></div> <div class="adoc-content" th:replace="doc:SqlInjection_introduction_content9.adoc"></div>
<div class="attack-container"> <div class="attack-container">
<div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div> <div class="assignment-success"><i class="fa fa-2 fa-check hidden" aria-hidden="true"></i></div>
<form class="attack-form" accept-charset="UNKNOWN" <form class="attack-form" accept-charset="UNKNOWN"
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</div> </div>
</div> </div>
<div class="lesson-page-wrapper">
<div class="adoc-content" th:replace="doc:SqlInjection_introduction_content10.adoc"></div>
</div>
</html> </html>

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content1.adoc
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== What is SQL
SQL is a standardized (ANSI in 1986, ISO in 1987) programming language which is used for managing relational databases and performing various operations on the data in them.
A database is a collection of data. Data is organized into rows, columns and tables, and it is indexed to make it easier to find relevant information.
Example SQL table with employees:
Employees Table
|===
|IdNum |LName |FName |JobCode |Salary |Phone |
|1876 |CHIN |JACK |TA1 |42400 |212/558-5634 |
|1114 |GREENWALD |JANICE |ME3 |38000 |212/558-1092 |
|1556 |PENNINGTION|MICHAEL |ME1 |29860 |718/383-5681 |
|1354 |PARKER |MARY |FA3 |65800 |914/455-2337 |
|1130 |WOOD |DEBORAH |PT2 |36514 |212/587-0013 |
|===
Each employee has an index (IdNum), lastname, firstname, job title (JobCode), salary and a phone number. All his data from this table is represented in a single row.
By using SQL queries you can modify a database table and its index structures, add, update and delete rows of data.
There are three types of SQL commands in the SQL database language:
=== Data Manipulation Language (DML)
* DML commands are used for storing, retrieving, modifying, and deleting data.
* SELECT, INSERT, UPDATE, DELETE, …
* Example:
** Retrieve data:
** SELECT Phone +
FROM Employees +
WHERE IdNum = 1354;
** This statement delivers the phone number of the employee with the number 1354.
=== Data Definition Language (DDL)
* DDL commands are used for creating, modifying, and dropping the structure of database objects.
* CREATE, ALTER, DROP,TRUNCATE,…
* Example:
** CREATE TABLE Customers( +
&nbsp;&nbsp;&nbsp;&nbsp;IdNum INT NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;LName VARCHAR (20) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;FName VARCHAR (20) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;JobCode VARCHAR (3) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;Salary DECIMAL (18, 2), +
&nbsp;&nbsp;&nbsp;&nbsp;Phone VARCHAR (20), +
&nbsp;&nbsp;&nbsp;&nbsp;PRIMARY KEY (IdNum) +
);
** This statement creates the employees example table given above.
=== Data Control Language (DCL)
* DCL commands are used for providing security to database objects.
* GRANT, REVOKE, …
* Example:
** GRANT CREATE TABLE +
TO operator;
** This statement gives all users of the operator-role the privilege to create new tables in the database.
If you are still struggling with SQL and need more information or practice you can visit http://www.sqlcourse.com/ for an interactive and free online training.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content2.adoc
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== What is SQL Injection?
SQL Injections are the most common web hacking techniques. *A SQL injection attack consists of insertion or "injection" of malicious code via the SQL query input from the client to the application.* If not dealt with correctly, such an injection of code into the application can have an serious impact on e.g. data integrity and security.
SQL Injections can occur, when unfiltered data from the client, e.g. the input of a search field, gets into the SQL-Interpreter of the application itself. If the input from the client does not get checked for containing SQL Commands, hackers can easily manipulate the underlying SQL-Statement to their advantages. +
Per example if the input is not filtered for SQL metacharacters like *--* (comments out the rest of the line) or *;* (ends a SQL-query and that way can be used to chain them)

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content1.adoc Normal file
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== What is SQL
SQL is a standardized (ANSI in 1986, ISO in 1987) programming language which is used for managing relational databases and performing various operations on the data in them.
A database is a collection of data. Data is organized into rows, columns and tables, and it is indexed to make it easier to find relevant information.
Example SQL table with employees:
Employees Table
|===
|IdNum |LName |FName |JobCode |Salary |Phone |
|1876 |CHIN |JACK |TA1 |42400 |212/558-5634 |
|1114 |GREENWALD |JANICE |ME3 |38000 |212/558-1092 |
|1556 |PENNINGTION|MICHAEL |ME1 |29860 |718/383-5681 |
|1354 |PARKER |MARY |FA3 |65800 |914/455-2337 |
|1130 |WOOD |DEBORAH |PT2 |36514 |212/587-0013 |
|===
Each employee has an index (IdNum), lastname, firstname, job title (JobCode), salary and a phone number. All his data from this table is represented in a single row.
By using SQL queries you can modify a database table and its index structures, add, update and delete rows of data.
There are three types of SQL commands in the SQL database language:
If you are still struggling with SQL and need more information or practice you can visit http://www.sqlcourse.com/ for an interactive and free online training.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content10.adoc Normal file
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Availiability

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content2.adoc Normal file
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=== Data Manipulation Language (DML)
* DML commands are used for storing, retrieving, modifying, and deleting data.
* SELECT, INSERT, UPDATE, DELETE, …
* Example:
** Retrieve data:
** SELECT Phone +
FROM Employees +
WHERE IdNum = 1354;
** This statement delivers the phone number of the employee with the number 1354.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content3.adoc Normal file
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=== Data Definition Language (DDL)
* DDL commands are used for creating, modifying, and dropping the structure of database objects.
* CREATE, ALTER, DROP,TRUNCATE,…
* Example:
** CREATE TABLE Customers( +
&nbsp;&nbsp;&nbsp;&nbsp;IdNum INT NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;LName VARCHAR (20) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;FName VARCHAR (20) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;JobCode VARCHAR (3) NOT NULL, +
&nbsp;&nbsp;&nbsp;&nbsp;Salary DECIMAL (18, 2), +
&nbsp;&nbsp;&nbsp;&nbsp;Phone VARCHAR (20), +
&nbsp;&nbsp;&nbsp;&nbsp;PRIMARY KEY (IdNum) +
);
** This statement creates the employees example table given above.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content4.adoc Normal file
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=== Data Control Language (DCL)
* DCL commands are used for providing security to database objects.
* GRANT, REVOKE, …
* Example:
** GRANT CREATE TABLE +
TO operator;
** This statement gives all users of the operator-role the privilege to create new tables in the database.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content5_after.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content5_after.adoc
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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content5_before.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content5_before.adoc
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== What is SQL Injection?
SQL Injections are the most common web hacking techniques. *A SQL injection attack consists of insertion or "injection" of malicious code via the SQL query input from the client to the application.* If not dealt with correctly, such an injection of code into the application can have an serious impact on e.g. data integrity and security.
SQL Injections can occur, when unfiltered data from the client, e.g. the input of a search field, gets into the SQL-Interpreter of the application itself. If the input from the client does not get checked for containing SQL Commands, hackers can easily manipulate the underlying SQL-Statement to their advantages. +
Per example if the input is not filtered for SQL metacharacters like *--* (comments out the rest of the line) or *;* (ends a SQL-query and that way can be used to chain them)
== Example of SQL Injection == Example of SQL Injection
Think of a web application, that allows to display user information, by typing a username into an input field. Think of a web application, that allows to display user information, by typing a username into an input field.

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content3.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content6.adoc
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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content4.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content7.adoc
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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content5a.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content8.adoc
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Confidentiality
== Try It! String SQL Injection == Try It! String SQL Injection
The query in the code builds a dynamic query as seen in the previous example. The query in the code builds a dynamic query by concatenating strings making it susceptible to String SQL injection: The query in the code builds a dynamic query as seen in the previous example. The query in the code builds a dynamic query by concatenating strings making it susceptible to String SQL injection:

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_content5b.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_content9.adoc
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Integrity
== Try It! Numeric SQL Injection == Try It! Numeric SQL Injection
The query in the code builds a dynamic query as seen in the previous example. The query in the code builds a dynamic query by concatenating a number making it susceptible to Numeric SQL injection: The query in the code builds a dynamic query as seen in the previous example. The query in the code builds a dynamic query by concatenating a number making it susceptible to Numeric SQL injection:

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webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_plan.adoc → webgoat-lessons/sql-injection/src/main/resources/lessonPlans/en/SqlInjection_introduction_plan.adoc
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