Sql Injection Meme Car

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Afterthe values from the first name, middle name textbox FNMName.Text (which is Robert'); DROP TABLE STUDENTS; --) and the last name textbox LName.Text (let's call it Derper) are concatenated with the rest of the query, the result is now actually two queries separated by the statement terminator (semicolon). The second query has been injected into the first. When the code executes this query against the database, it will look like this

The ' in the student's name is not a comment, it's the closing string delimiter. Since the student's name is a string, it's needed syntactically to complete the hypothetical query. Injection attacks only work when the SQL query they inject results in valid SQL.

As everyone else has pointed out already, the '); closes the original statement and then a second statement follows. Most frameworks, including languages like PHP, have default security settings by now that don't allow multiple statements in one SQL string. In PHP, for example, you can only run multiple statements in one SQL string by using the mysqli_multi_query function.

You can, however, manipulate an existing SQL statement via SQL injection without having to add a second statement. Let's say you have a login system which checks a username and a password with this simple select:

That would enable you to log in to any account without knowing the password. So you don't need to be able to use two statements in order to use SQL injection, although you can do more destructive things if you are able to supply multiple statements.

The SQL injection here is the result of the name of the student terminating the statement and including a separate DROP TABLE command; the two dashes at the end of the input are intended to comment out any leftover code that would otherwise cause an error. The last line of the output confirms that the database server has dropped the table.

It's important to notice that during the INSERT operation the application isn't checking the input for any special characters, and is therefore allowing arbitrary input to be entered into the SQL command. This means that a malicious user can insert, into a field normally intended for user input, special symbols such as quotes along with arbitrary SQL code to cause the database system to execute it, hence SQL injection.

SQL injection is the database equivalent of a remote arbitrary code execution vulnerability in an operating system or application. The potential impact of a successful SQL injection attack cannot be underestimated--depending on the database system and application configuration, it can be used by an attacker to cause data loss (as in this case), gain unauthorized access to data, or even execute arbitrary code on the host machine itself.

As noted by the XKCD comic, one way of protecting against SQL injection attacks is to sanitize database inputs, such as by escaping special characters, so that they cannot modify the underlying SQL command and therefore cannot cause execution of arbitrary SQL code. This can be done at the application level, and some implementations of parameterized queries operate by sanitizing input.

However, sanitizing inputs at the application level may not stop more advanced SQL injection techniques. For example, there are ways to circumvent the mysql_real_escape_string PHP function. For added protection, many database systems support prepared statements. If properly implemented in the backend, prepared statements can make SQL injection impossible by treating data inputs as semantically separate from the rest of the command.

In this case, ' is not a comment character. It's used to delimit string literals. The comic artist is banking on the idea that the school in question has dynamic sql somewhere that looks something like this:

So now the ' character ends the string literal before the programmer was expecting it. Combined with the ; character to end the statement, an attacker can now add (inject) whatever sql they want. The -- comment at the end is to make sure any remaining sql in the original statement does not prevent the query from compiling on the server.

FWIW, I also think the comic in question has an important detail wrong: if you sanitize your database inputs, as the comic suggests, you're still doing it wrong. Instead, you should think in terms of quarantining your database inputs, and the correct way to do this is via parameterized queries/prepared statements.

Mostly we will try to patch forms input. But this is not the only place where you can get attacked with SQL injection. You can do very simple attack with URL which send data through GET request;Consider the fallowing example:

On peut administrer 2 injections dans le mme membre (rgion du muscle deltode ou rgion du muscle vaste externe). Ainsi, on peut faire 2 injections IM ou 1 injection IM et 1 injection SC ou encore 2 injections SC.

Google Gemini "Diverse" Prompt Injection refers to discourse about Google's AI art generator Gemini producing only images with people of color, akin to the Ethnically Ambiguous AI Prompt Injection event. Throughout February 2024, people posted images purportedly generated by Gemini with people of color representing historically white time periods and societal roles, like 1800s Germany or the Pope, among other examples. Gemini seemed to omit the presence of white people, revealing its usage of the word "diverse" and the phrase "people with diverse backgrounds" in its intro sentence. Others used the word "woke" to describe the injection. In turn, memes spread on social media about the fault on Twitter / X and Reddit, among other platforms.

On February 9th, 2024, Redditor Sweyn78 posted to the /r/ChatGPT [1] subreddit, writing, "Gemini won't generate images of people of my ethnicity." The post included screenshots of Google's AI art generator Gemini in which the prompt was "Generate a photo of a blonde-haired, blue-eyed, Scandinavian woman." Gemini produced the images but the woman pictured was not white (shown below, left).

On February 19th, 2024, X[4] user @debarghya_das spread the discourse after tweeting, "It's embarrassingly hard to get Google Gemini to acknowledge that white people exist," gaining over 21,000 likes in two days (shown below).

The tweet attached four screenshots of art generated by Google Gemini in which the prompts asked for women in Australia, America, Great Britain and Germany. Gemini mostly generated images of women of color (shown below).

Going into late February 2024, multiple users shared posts about Gemini's adversity to generate white people, becoming more comical and viral. For instance, on February 20th, 2024, X[5] user @IMAO_ showed the prompt "Create an image of a pope," given to Gemini, gaining over 85,000 likes in a day (shown below, left).

During the same timeframe, users started to highlight the injection of diversity sentiments in Gemini's language model and system that could be responsible for its adversity to generating white people. For instance, X[7] user @AlexKolicich tweeted a screenshot asking, "Gemini, make an image of the people who founded Fairchild semiconductor."

On February 21st, 2024, Fox Business[8] received a statement from Gemini Experiences Senior Director of Product Management Jack Krawczyk who wrote, "We're working to improve these kinds of depictions immediately. Gemini's AI image generation does generate a wide range of people. And that's generally a good thing because people around the world use it. But it's missing the mark here."

Robert'); DROP TABLE Students;-- Roberts, also known as Little Bobby Tables, is a stick figure character in xkcd. He is the youngest son of elite hacker Mrs. Roberts and Help I'm trapped in a driver's license factory Elaine Roberts is his older sister. His full name is known to cause problems with some computers. When he was first enrolled in school in 327: Exploits of a Mom, it exploited a vulnerability in the parsing of students' names into the school's student database resulting in the school losing all the student records for the year.

Within the five comics he is referenced, he is only drawn three times. The first two are in the 1337 series where he is drawn as a Cueball-like kid. But then he also appears as a young man with long curly hair in 884: Rogers St.. Here it is only the title text that reveals that this is Bobby, that, and the fact that Randall in the official transcript does not mention the gender, but only that it is a person. Here is how he looks in that comic:

There have been suggestions that the Robert in the table in 596: Latitude was Bobby but given that Black Hat has never had any relation to him in the other comics, and that Rob has, it seems more likely that the Robert is Rob.

In SQL, commands are terminated by semicolons ; and data is often quoted using single quotes '. Commands may also be enclosed in parentheses ( and ). Data is stored in tables of similar items (e.g., Students) and individual entries are "rows" in the table. To delete an entire table (and every row of data in that table), you use the command DROP (e.g., DROP TABLE Students). The -- represents the start of a SQL comment which ensures that the rest of the command is ignored so an error will not occur.

The exploited vulnerability is that the single quote in the name input was not properly "escaped" by the software. Thus, when the name is embedded into some SQL statement, the quote is erroneously parsed as a closing quote inside that statement, rather than being parsed as part of the name. Lack of such escaping is a common SQL vulnerability; this type of exploit is referred to as SQL injection.

The name Bobby Tables inspired a website, bobby-tables.com, a guide for beginning programmers to learn the right way to avoid SQL injection in their code. It appears in 1253: Exoplanet Names as one of the suggested planet names.

The first command inserts the name Robert into the database as in the first example. The second command however completely deletes the table Students. The remainder -- is a comment to prevent syntax errors with the apostrophe and the closing parenthesis from the target command that the exploit code otherwise would have no use for.

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