| Exam Code/Number: | ECSAv8Join the discussion |
| Exam Name: | EC-Council Certified Security Analyst (ECSA) |
| Certification: | EC-COUNCIL |
| Question Number: | 150 |
| Publish Date: | Dec 12, 2025 |
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The Web parameter tampering attack is based on the manipulation of parameters exchanged between client and server in order to modify application data, such as user credentials and permissions, price and quantity of products, etc. Usually, this information is stored in cookies, hidden form fields, or URL Query Strings, and is used to increase application functionality and control.
This attack takes advantage of the fact that many programmers rely on hidden or fixed fields (such as a hidden tag in a form or a parameter in a URL) as the only security measure for certain operations. Attackers can easily modify these parameters to bypass the security mechanisms that rely on them.
What is the best way to protect web applications from parameter tampering attacks?
Fuzz testing or fuzzing is a software/application testing technique used to discover coding errors and security loopholes in software, operating systems, or networks by inputting massive amounts of random data, called fuzz, to the system in an attempt to make it crash.
Fuzzers work best for problems that can cause a program to crash, such as buffer overflow, cross-site scripting, denial of service attacks, format bugs, and SQL injection.
Fuzzer helps to generate and submit a large number of inputs supplied to the application for testing it against the inputs. This will help us to identify the SQL inputs that generate malicious output.
Suppose a pen tester knows the underlying structure of the database used by the application (i.e., name, number of columns, etc.) that she is testing.
Which of the following fuzz testing she will perform where she can supply specific data to the application to discover vulnerabilities?
A Blind SQL injection is a type of SQL Injection attack that asks the database true or false questions and determines the answer based on the application response. This attack is often used when the web application is configured to show generic error messages, but has not mitigated the code that is vulnerable to SQL injection.
It is performed when an error message is not received from application while trying to exploit SQL vulnerabilities. The developer's specific message is displayed instead of an error message. So it is quite difficult to find SQL vulnerability in such cases.
A pen tester is trying to extract the database name by using a blind SQL injection. He tests the database using the below query and finally finds the database name.
http://juggyboy.com/page.aspx?id=1; IF (LEN(DB_NAME())=4) WAITFOR DELAY '00:00:10'--
http://juggyboy.com/page.aspx?id=1; IF (ASCII(lower(substring((DB_NAME()),1,1)))=97) WAITFOR DELAY '00:00:10'--
http://juggyboy.com/page.aspx?id=1; IF (ASCII(lower(substring((DB_NAME()),2,1)))=98) WAITFOR DELAY '00:00:10'--
http://juggyboy.com/page.aspx?id=1; IF (ASCII(lower(substring((DB_NAME()),3,1)))=99) WAITFOR DELAY '00:00:10'--
http://juggyboy.com/page.aspx?id=1; IF (ASCII(lower(substring((DB_NAME()),4,1)))=100) WAITFOR DELAY '00:00:10'--
What is the database name?
The first phase of the penetration testing plan is to develop the scope of the project in consultation with the client. Pen testing test components depend on the client's operating environment, threat perception, security and compliance requirements, ROE, and budget. Various components need to be considered for testing while developing the scope of the project.
Which of the following is NOT a pen testing component to be tested?
Which of the following methods is used to perform server discovery?
