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As a security filter against directory traversal attacks, this program searches the value it reads from $_GET["file"] for directory traversal sequences and exits if it finds one. However, after this filter, the program URI-decodes the data that it has read from $_GET["file"], which makes it vulnerable to double URI-encoding attacks.
A classification of SQL injection attacking vector as of 2010. In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).
An SQL injection takes advantage of SQL syntax to inject malicious commands that can read or modify a database or compromise the meaning of the original query. [13] For example, consider a web page that has two text fields which allow users to enter a username and a password.
XML External Entity attack, or simply XXE attack, is a type of attack against an application that parses XML input. This attack occurs when XML input containing a reference to an external entity is processed by a weakly configured XML parser.
Injection exploits are computer exploits that use some input or data entry feature to introduce some kind of data or code that subverts the intended operation of the system. Usually these exploits exploit vulnerabilities resulting from insufficient data validation on input and so forth.
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On its own, an arbitrary code execution exploit will give the attacker the same privileges as the target process that is vulnerable. [11] For example, if exploiting a flaw in a web browser, an attacker could act as the user, performing actions such as modifying personal computer files or accessing banking information, but would not be able to perform system-level actions (unless the user in ...
Meterpreter (the Metasploit Interpreter) enables users to control the screen of a device using VNC and to browse, upload and download files. Dynamic payloads enable users to evade anti-virus defense by generating unique payloads. Static payloads enable static IP address/port forwarding for communication between the host and the client system.