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Log4Shell (CVE-2021-44228) is a zero-day vulnerability in Log4j, a popular Java logging framework, involving arbitrary code execution. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud's security team on 24 November 2021.
File inclusion vulnerability. A file inclusion vulnerability is a type of web vulnerability that is most commonly found to affect web applications that rely on a scripting run time. This issue is caused when an application builds a path to executable code using an attacker-controlled variable in a way that allows the attacker to control which ...
The Common Vulnerabilities and Exposures (CVE) system provides a reference method for publicly known information-security vulnerabilities and exposures. [1] The United States' National Cybersecurity FFRDC, operated by The MITRE Corporation, maintains the system, with funding from the US National Cyber Security Division of the US Department of Homeland Security. [2]
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 ...
ATT&CK Matrix for Enterprise. The ATT&CK Matrix for Enterprise is a comprehensive framework that is presented as a kanban board -style diagram. [4] It defines 14 categories of tactics, techniques and procedures (TTPs) used by cybercriminals with the associated techniques and sub-techniques. Category. Description.
Choosing and configuring an exploit (code that enters a target system by taking advantage of one of its bugs; about 900 different exploits for Windows, Unix/Linux and macOS systems are included). Choosing and configuring a payload (code that will be executed on the target system upon successful entry; for instance, a remote shell or a VNC ...
Billion laughs attack. In computer security, a billion laughs attack is a type of denial-of-service (DoS) attack which is aimed at parsers of XML documents. [1] It is also referred to as an XML bomb or as an exponential entity expansion attack. [2]
Cross-site request forgery is an example of a confused deputy attack against a web browser because the web browser is tricked into submitting a forged request by a less privileged attacker. CSRF commonly has the following characteristics: It involves sites that rely on a user's identity. It exploits the site's trust in that identity.