null byte injection

Common PHP vulnerabilities: Injection Vulnerability injection brings controllable user variables into database operations and changes the original SQL intention. For example, in the logic of registering a user, when detecting whether the user name

SQL Injection VulnerabilityPrinciple: As the developer writes the operation database code, the external controllable parameter is directly stitched into the SQL statement, and is placed directly into the database engine without any filtering.Attack

With the rapid development of Web applications and the continuous maturation of technology, the demand for web development-related jobs is increasing, and more and more people are joining the ranks of web development. However, due to the uneven

Basic knowledge of SQL injection and basic knowledge of SQL Injection What is SQL Injection) The so-called SQL injection attack means that an attacker inserts an SQL command into the input field of a Web form or the query string requested by the

Study the principle of buffer overflow, at least for the difference of two kinds of databaseBuffer overflow principleA buffer overflow is the amount of data that a computer program fills into a buffer that exceeds the capacity of the buffer itself.

Read Catalogue 1. Introduction 1.1. Meaning 1.2. Injection principle 1.3. Harm 2. Injection of knowledge and example analysis 2.1, injection of common knowledge 2.2. Injection process 2.3. Example Analysis A,

Original article: blog. csdn. netu012764254articledetails51361152 last talked about the basic challenge of less1-10: blog. csdn. netu012764254articledetails51207833, all of which are get-type and contain many types. This time, post-type injection is

This article will start with SQL Injection risks and compare the differences between preprocessing of addslashes, mysql_escape_string, mysql_real_escape_string, mysqli, and pdo. This article will start with SQL Injection risks and compare the

PHP prevents SQL injection methods, Phpsql injection "One, server-side Configuration" Security, PHP code writing is on the one hand, PHP configuration is very critical.We PHP hand-installed, PHP default configuration file

API hooks are not a new technology, but I am ashamed that I have mastered them recently and have come up with some stupid ways to achieve my goal. There may be many errors or vulnerabilities in this article, and you may want to correct them in time.