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The Tool for Penetration Tests of Web Applications
Dobeš, Michal ; Malinka, Kamil (referee) ; Barabas, Maroš (advisor)
The thesis discusses the issues of penetration testing of web applications, focusing on the Cross-Site Scripting (XSS) and SQL Injection (SQLI) vulnerabilities. The technology behind web applications is described and motivation for penetration testing is given. The thesis then presents the most common vulnerabilities according to OWASP Top 10. It lists the principles, impact and remediation recommendations for the Cross-Site Scripting and SQL Injection vulnerabilities. A penetration testing tool has been developed as a part of this thesis. The tool is extendable via modules. Modules for detection of Cross-Site Scripting and SQL Injection vulnerabilities have been developed. The tool has been compared to existing tools, including the commercial tool Burp Suite.
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MCUXpresso Web application security
Mittaš, Tomáš ; Heriban, Pavel (referee) ; Roupec, Jan (advisor)
This thesis deals with testing of the security of web application MCUXpresso Web SDK Builder using ethical hacking techniques and tools. At the beginning, the history of ethical hacking and structure of web applications are briefly mentioned. The thesis then analyses the application itself from the user’s point of view, its parts before logging in and after logging in and the operation of this application. The following is a list of the most common vulnerabilities and weaknesses found in web applications to understand any vulnerabilities found. Furthemore, the thesis deals with the techniques and tools of web application security and compares them. The penultimate chapter deals with the use of Analysis and vulnerability scanning technique on the application MCUXpresso Web SDK Builder. Finally, an application security test plan is designed, while part of this plan is automated.
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Specific modules for manual security testing support
Osmani, Jakub ; Safonov, Yehor (referee) ; Paučo, Daniel (advisor)
This bachelor thesis deals with the concept of penetration testing and the standards that coincide with it. The main aim of the theoretical part of this thesis is to describe the world of penetration testing, and the widely known OWASP documentation. Vulnerabilities from the top 10 vulnerabilities list as well as recommendations about secure web application development, from the Application Security Verification Standard (ASVS), are provided. The practical part of this thesis is focused on the development of three tools, that are to be used to help automate certain aspects of penetration testing.
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Web application for testing web server vulnerabilities
Šnajdr, Václav ; Burda, Karel (referee) ; Smékal, David (advisor)
The Master’s Thesis deals with the design and implementation of a web application for testing the security of SSL/TLS protocols on a remote server. The web application is developed in the Nette framework. The theoretical part describes SSL/TLS protocols, vulnerabilities, recommendations and technologies used in the practical part. The practical part is devoted to the creation of a web application with the process of using automatic scripts to test and display the results on the website with a rating of A+~to~C. The web application also displays a list of detected vulnerabilities and their recommendations.
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Design of methodology for vulnerability assesment
Pecl, David ; Martinásek, Zdeněk (referee) ; Gerlich, Tomáš (advisor)
The thesis deals with the assessment of security vulnerabilities. The aim of this work is to create a new method of vulnerability assessment, which will better prioritize critical vulnerabilities and reflect parameters that are not used in currently used methods. Firstly, it describes the common methods used to assess vulnerabilities and the parameters used in each method. The first described method is the Common Vulnerability Scoring System for which are described all three types of scores. The second analysed method is OWASP Risk Rating Methodology. The second part is devoted to the design of the own method, which aims to assess vulnerabilities that it is easier to identify those with high priority. The method is based on three groups of parameters. The first group describes the technical assessment of the vulnerability, the second is based on the requirements to ensure the confidentiality, integrity and availability of the asset and the third group of parameters evaluates the implemented security measures. All three groups of parameters are important for prioritization. Parameters describing the vulnerability are divided into permanent and up-to-date, where the most important up-to-date parameter are Threat Intelligence and easy of exploitation. The parameters of the impact on confidentiality, integrity and availability are linked to the priority of the asset, and to the evaluation of security measures, which increase the protection of confidentiality, integrity and availability. The priority of the asset and the quality of the countermeasures are assessed based on questionnaires, which are submitted to the owners of the examined assets as part of the vulnerability assessment. In the third part of the thesis, the method is compared with the currently widely used the Common Vulnerability Scoring System. The strengths of the proposed method are shown in several examples. The effectiveness of prioritization is based primarily on the priority of the asset and the security measures in place. The method was practically tested in a laboratory environment, where vulnerabilities were made on several different assets. These vulnerabilities were assessed using the proposed method, the priority of the asset and the quality of the measures were considered, and everything was included in the priority of vulnerability. This testing confirmed that the method more effectively prioritizes vulnerabilities that are easily exploitable, recently exploited by an attacker, and found on assets with minimal protection and higher priority.
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Laboratory exercise that presents network attacks
Dostál, Adam ; Malina, Lukáš (referee) ; Martinásek, Zdeněk (advisor)
This work is focused on penetration testing of web applications. The theoretical part describes this issue and methodology. The work includes security organization "The Open Web Application Security Project" (OWASP), document OWASP Top 10 and the first 5 vulnerabilities of this document. The last part introduces linux distribution Kali Linux and the several most used penetration tools. The practical part consists of testing the first five vulnerabilities in the document OWASP Top 10 2013. It contains a description of the used SW for the realization of the attacks, virtual infrastructure and test of each vulnerabilities. From the practical part is created laboratory task "Penetration testing of web applications" and additional introductory task "Introduction into penetration testing".
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Secure Coding Guidelines for React
Solich, Filip ; Firc, Anton (referee) ; Malinka, Kamil (advisor)
This work deals with writing secure applications in JavaScript library React. The aim of this work is to create a guide for programmers to be able to detect parts of web applications that can be exploited to attack on the application. It describes how and to what you need to pay attention to when writing web applications, what are the best programming practices in the React library, thanks to which the programmer can avoid security errors in the application code and how to fix any errors. The types of attacks themselves and how attacks on a vulnerable application can take place are also described here. Knowing the progress of the attack will help the programmer to think better about the weak links of the application and thus also detect a security issue in the application before the attacker.
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Security Testing of Obfuscated Android Applications
Michalec, Pavol ; Dzurenda, Petr (referee) ; Malina, Lukáš (advisor)
Diplomová práca je o bezpečnostnom testovaní obfuskovaných Android aplikácií. Teoretická časť práce opisuje základy obfuskácie a spomína niektoré vybrané obfuskátory. Dopad obfuskácie na penetračné testovanie je taktiež zmienený. Práca navrhuje dynamickú analýzu ako hlavný nástroj pri obchádzaní obfuskácie. Praktická časť práce popisuje ochrany aplikácie v reálnom čase a spôsoby, ako tieto ochrany obísť pomocou dynamickej analýzy. Druhá polovica praktickej časti je venovaná pokročilým technikám obfuskácie a spôsobom ich obídenia.
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Application that supports penetration tests of web applications
Holovová, Simona ; Švikruha, Patrik (referee) ; Martinásek, Zdeněk (advisor)
This master´s thesis is about the security of web applications and penetration testing. The main goal is to gain knowledge about testing methodologies OWASP Testing Guide and ASVS and to implement this knowledge into a web application to assist during manual penetration testing. The theoretical part of the thesis describes both methodologies and web technologies used during the development of the application. The practical part of the thesis is about the design of the application based on the specification, its implementation, and security hardening.
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Security of Testing Farm Service
Havlín, Jan ; Malinka, Kamil (referee) ; Drga, Jozef (advisor)
This thesis deals with security of Testing Farm Service in Red Hat company. Specifically, it is about unauthorized usage of testing machines for purposes which are not allowed. The need for implementing security measures comes from the fact that users are allowed to run arbitrary code on test machines as the user root. In the implementation part of the thesis, a monitoring agent was created and deployed to the testing machines of the production environment of the service. This system watches transmitted packets, system resources and configuration. Based on these observations, it creates metrics about the system behavior and sends them over to monitoring server Prometheus.
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