Index terms -XSS (Cross Site Scripting)‚ Vulnerabilities‚ Prevention Methods‚ Existing Technologies‚ Web Application‚ Web Application Security I. Introduction A web application is an application software that is hosted on web and runs on a web browser. Web application security is a branch of information security that deals specifically with security of websites‚ web applications and web services. Cross-site scripting (XSS) is an attack against web applications in which scripting code is injected
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Kaplan University IT542 Ethical Hacking and Network Defense Unit 3 Assignment Cross-scripting Attacks Jamie Carter Professor North Cross-Site Scripting Attacks 1. Penetration testing on web servers and applications is extremely important to ensure the application or server is not vulnerable to any of the 5 known main issues. These issues include SQL injection‚ "cross site scripting (XSS)"‚ username enumeration‚ string format weaknesses‚ and remote code implementation (Symantec‚ 2006)
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Advertising & Media Financial Services (Europe) Healthcare Insurance & Law Technology & Telecommunications UK Government Other Sectors Vulnerability Category Analysis Authentication Authorisation Encryption Information Leakage Input Validation Cross-site Scripting (XSS) Other input Server Configuration Session Management OWASP Top10 Conclusion Dataset Restrictions About Context Assurance About Context Works Cited Glossary of Terms 3 4 6 6 8 8 9 10 11 12 14 15 16 16 17 17 18 19 20 22 22 23 24 25 27 28
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Chapter 1 THE PROBLEM AND ITS BACKGROUND Introduction The Technological University of the Philippines – Taguig Campus clubs and organizations are using paper-based and manual application procedures for the students who want to be part of their team or family. When an application process is not automated‚ it costs more time‚ effort‚ and money – resources that cannot be squandered. Students applying to join an organization online don’t need to worry about filling in error-free hard-copy. There’s
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Once the command is run‚ any text that follows is ignored (MSDN‚ 2010). Java Script Insertion Attacks Whenever a web site accepts and redisplays input from a user‚ it becomes accessible to Java script injection attacks. Malicious attackers can do some heavy damage by injecting JavaScript into a website. JavaScript injection attacks can be used to launch a Cross-Site Scripting (XSS) attack. In this type of attack‚ private information is stolen and sent to another website. Attackers can also use
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An XSS scenario without the use of “Script” and <> Usually when testing for XSS vulnerabilities‚ we normally use the attack vectors <script>alert(111)</script> ‚ <body onload=alert(111)/> etc. If the developer has implemented a blacklist serverside validation for <> and script‚ we will not get satisfactory test results. But in some scenarios we can successfully demonstrate an XSS attack even without using the above mentioned vectors. This new scenario is mainly
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com/app/transferFunds?amount=1500 &destinationAccount=4673243243 So‚ the attacker constructs a request that will transfer money from the victim’s account to their account‚ and then embeds this attack in an image request or iframe stored on various sites under the attacker’s control.
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putting in place lockouts that restrict access after x number of failed login attempts will significantly assist in reducing the risk of brute-force attacks. 2. Explain a scenario where a hacker may use Cross Site Request Forgery (CRFS) to perform authorized transactions. If you are on a bad site such as a bad movie upload page or a smut website the hacker can use that to pass false authorization. 3. What is the proper way to prevent XSS attack? The first rule is to deny all 4. If an attacker
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Windows CLI session. ------------------------------------------------- Unless otherwise directed by your instructor‚ your lab document must be submitted to the eCollege Dropbox‚ as follows. ------------------------------------------------- On-Site Submission: Submit your completed lab document to the appropriate eCollege Dropbox by 11:59 p.m. on the night before your next scheduled campus class. Online Submission: Submit your completed lab document to the appropriate eCollege Dropbox by 11:59
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Shell Scripting Primer Contents Introduction 12 Organization of This Document 12 Before You Begin 14 Obtaining a Shell Prompt 14 In Mac OS X 14 In Other UNIX Variants or Linux Variants 15 In Windows 15 Familiarize Yourself With the Command Line 15 Tips for Shell Users 15 The alias Builtin 15 Entering Special Characters 17 Creating Text Files in Your Home Directory 17 In TextEdit 17 In pico or nano 18 Shell Script Basics 19 Shell Script Dialects 19 She Sells C Shells 21 Shell Variables
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