The Open Web Application Security Project (OWASP) is a non-profit group that helps organizations develop, purchase, and maintain trustworthy software applications. Thick Client Penetration Testing The thick client application needs a continuous connection to the server. To maintain a thick client, IT needs to maintain all systems for software deployment and upgrades, rather than just maintaining the applications on the server. The team starts with research of the software system, potential targets and attackers and then builds a custom vulnerability assessment plan. You will not be spammed.Infosec Skills keeps your security skills fresh year-round with over 400 courses mapped to the National Initiative for Cybersecurity Education’s CyberSeek model. The results have been awesome It offers incomparable accuracy since it is reinforced by unproved scanning and advanced network host correlation technology. As a result both the request as well as response modifications play a key role in testing the thick client for vulnerabilities.Consider a thick client applications that displays the GUI(modules/sub-modules) based on the response parameters received from the server after authentication.For example,when an Admin logs in, the response sent by the application is as follows:When a low privileged user logs in, the response sent by the application is as follows:Exploit: In this case, the attacker or the lower privileged user will intercept the response and modify the User and Account_No parameter to that of the Admin and get access to the administrator module.As we discussed above,the major validations are carried out at the client side, a faulty implementation of authentication process has been observed in various two tier apps and is described below.When a user enters the user name and password in the application, the application sends a SQL query to the database containing the username to retrieve the user credentials.The response received from the database is as follows:It can be observed that only the username is sent to the database, and the database sends the valid password back in the response. Insight of the application can be used to find ciritcal vulnerabilities. This password is compared locally at the client side with the password entered by the user on the login page.Exploit: The attacker can enter a correct username (say Cust1) and a wrong password on the login page. He is currently a security researcher at Infosec Institute and works for a leading IT company. Insecure communication to the server can be tampered with and manipulated with the attacker's payloads. Infosec Skills helps you: Thick client applications are more complicated and customized as compared to web or mobile applications, this makes the vulnerability assessment and penetration testing approach for thick client applications very different. Unlike thin clients aka web application security testing, vulnerability assessment of the client-server applications (so called thick or fat clients) is frequently overlooked. The project continues to define security recommendations, specifications, and explanations in key areas. By instructing the client to open its connection to the ITR instead of the server, the entire connection is shifted to work through the ITR, without the client or the server noticing a difference.This tool can be used to intercept the methods, alter data and also test the security of JAVA applications on your computer.In the following sections, we will discuss the critical vulnerabilities faced by thick client application.During the installation and execution of thick client applications, these apps tend to write/modify sensitive details in the files and registries.
Download the v1.1 PDF here. Direct connections should never be made from a thick client to the backend database. by TaRA Editors. Optional prototyping and implementation are also available.By clicking OK you give consent to processing your dataSend Apriorit a request for proposal! With that said, thin client apps are only as fast and reliable as the user’s internet connection and the server’s bandwidth.Examples of thin client application are web-sites like google.com or yahoo.com.The thick client applications are made of two types:The two tier thick client application consists of the user computer and the server. Unless otherwise specified, all content on the site is Creative Commons Attribution-ShareAlike v4.0 and provided without warranty of service or accuracy.
An application might store sensitive data like user credentials or encryption keys into the memory and store them until they get written by other data.
Can I get any security test cases relating to thick client.Great article very concise and to the point.
SecureLayer7's team went deep down into the rabbit hole to understand the product and find an issue with a business logic rule that took engineering several weeks to analyze within the code. OWASP; Post navigation.
So it’s quite complicated to define which tests should be performed and which can be skipped.
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