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Web Application Vulnerabilities
The document discusses web application security threats, including various attack types such as cross-site scripting, SQL injection, and zero-day attacks. It outlines methods for exploiting vulnerabilities in web applications and offers countermeasures to mitigate risks, like validating input and maintaining session security. The author emphasizes the importance of security practices to protect sensitive data and prevent unauthorized access.
In this document
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Introduction to web applications, including types and server interactions, as well as common security threats.
Description of several web application attack techniques such as XSS, SQL injection, and buffer overflows.
Detailed explanation of Cross-Site Scripting (XSS) attacks, highlighting stored and reflected methods.
Mechanisms of SQL injection attacks including examples and vulnerabilities leveraged by attackers.
Insights on buffer overflow attacks, their occurrence, and the potential impact on applications.
Definition of zero-day attacks, their nature, and the challenges they present for web security.
Cookie/session poisoning and hidden field attacks, outlining consequences of these security flaws.
Risks associated with directory traversal attacks, potential exposure of sensitive information.
How attackers exploit error messages for information about technologies used in web applications.
Proposed countermeasures for securing web applications including validation, access controls, and updates.