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Differential Fuzzing the Webassembly
Master’s Programme in Security and Cloud Computing Differential Fuzzing the WebAssembly Master’s Thesis Gilang Mentari Hamidy MASTER’S THESIS Aalto University - EURECOM MASTER’STHESIS 2020 Differential Fuzzing the WebAssembly Fuzzing Différentiel le WebAssembly Gilang Mentari Hamidy This thesis is a public document and does not contain any confidential information. Cette thèse est un document public et ne contient aucun information confidentielle. Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Technology. Antibes, 27 July 2020 Supervisor: Prof. Davide Balzarotti, EURECOM Co-Supervisor: Prof. Jan-Erik Ekberg, Aalto University Copyright © 2020 Gilang Mentari Hamidy Aalto University - School of Science EURECOM Master’s Programme in Security and Cloud Computing Abstract Author Gilang Mentari Hamidy Title Differential Fuzzing the WebAssembly School School of Science Degree programme Master of Science Major Security and Cloud Computing (SECCLO) Code SCI3084 Supervisor Prof. Davide Balzarotti, EURECOM Prof. Jan-Erik Ekberg, Aalto University Level Master’s thesis Date 27 July 2020 Pages 133 Language English Abstract WebAssembly, colloquially known as Wasm, is a specification for an intermediate representation that is suitable for the web environment, particularly in the client-side. It provides a machine abstraction and hardware-agnostic instruction sets, where a high-level programming language can target the compilation to the Wasm instead of specific hardware architecture. The JavaScript engine implements the Wasm specification and recompiles the Wasm instruction to the target machine instruction where the program is executed. Technically, Wasm is similar to a popular virtual machine bytecode, such as Java Virtual Machine (JVM) or Microsoft Intermediate Language (MSIL). -
Rich Media Web Application Development I Week 1 Developing Rich Media Apps Today’S Topics
IGME-330 Rich Media Web Application Development I Week 1 Developing Rich Media Apps Today’s topics • Tools we’ll use – what’s the IDE we’ll be using? (hint: none) • This class is about “Rich Media” – we’ll need a “Rich client” – what’s that? • Rich media Plug-ins v. Native browser support for rich media • Who’s in charge of the HTML5 browser API? (hint: no one!) • Where did HTML5 come from? • What are the capabilities of an HTML5 browser? • Browser layout engines • JavaScript Engines Tools we’ll use • Browsers: • Google Chrome - assignments will be graded on Chrome • Safari • Firefox • Text Editor of your choice – no IDE necessary • Adobe Brackets (available in the labs) • Notepad++ on Windows (available in the labs) • BBEdit or TextWrangler on Mac • Others: Atom, Sublime • Documentation: • https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model • https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial • https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide What is a “Rich Client” • A traditional “web 1.0” application needs to refresh the entire page if there is even the smallest change to it. • A “rich client” application can update just part of the page without having to reload the entire page. This makes it act like a desktop application - see Gmail, Flickr, Facebook, ... Rich Client programming in a web browser • Two choices: • Use a plug-in like Flash, Silverlight, Java, or ActiveX • Use the built-in JavaScript functionality of modern web browsers to access the native DOM (Document Object Model) of HTML5 compliant web browsers. -
IYIR for HTML
INFOSEC UPDATE 2006 Student Workbook Norwich University June 19-20, 2006 M. E. Kabay, PhD, CISSP-ISSMP Assoc. Prof. Information Assurance Program Director, MSIA BSIA Division of Business Management Norwich University [email protected] Copyright © 2006 M. E. Kabay. All rights reserved. Page 1 INFOSEC UPDATE 2006 -- June 19-20, 2006 01 Introduction Category 01 Introduction 2006-06-12 Introduction M. E. Kabay, PhD, CISSP WELCOME Welcome to the 2005 edition of the Information Security Year in Review (IYIR) project. In 1993 and 1994, I was an adjunct professor in the Institute for Government Informatics Professionals in Ottawa, Canada under the aegis of the University of Ottawa. I taught a one-semester course introducting information security to government personnel and enjoyed the experience immensely. Many of the chapters of my 1996 textbook, _The NCSA Guide to Enterprise Security_ published by McGraw-Hill were field-tested by my students. In 1995, I was asked if I could run a seminar for graduates of my courses to bring them up to date on developments across the entire field of information security. Our course had twenty students and I so enjoyed it that I continued to develop the material and teach the course with the NCSA (National Computer Security Association; later called ICSA and then eventually renamed TruSecure Corporation and finally CyberTrust, its current name) all over the United States, Canada, Europe, Asia and the Caribbean. After a few years of working on this project, it became obvious that saving abstracts in a WordPerfect file was not going to cut it as an orderly method for organizing the increasing mass of information that I was encountering in my research. -
Flash Player and Linux
Flash Player and Linux Ed Costello Engineering Manager Adobe Flash Player Tinic Uro Sr. Software Engineer Adobe Flash Player 2007 Adobe Systems Incorporated. All Rights Reserved. Overview . History and Evolution of Flash Player . Flash Player 9 and Linux . On the Horizon 2 2007 Adobe Systems Incorporated. All Rights Reserved. Flash on the Web: Yesterday 3 2006 Adobe Systems Incorporated. All Rights Reserved. Flash on the Web: Today 4 2006 Adobe Systems Incorporated. All Rights Reserved. A Brief History of Flash Player Flash Flash Flash Flash Linux Player 5 Player 6 Player 7 Player 9 Feb 2001 Dec 2002 May 2004 Jan 2007 Win/ Flash Flash Flash Flash Flash Flash Flash Mac Player 3 Player 4 Player 5 Player 6 Player 7 Player 8 Player 9 Sep 1998 Jun 1999 Aug 2000 Mar 2002 Sep 2003 Aug 2005 Jun 2006 … Vector Animation Interactivity “RIAs” Developers Expressive Performance & Video & Standards Simple Actions, ActionScript Components, ActionScript Filters, ActionScript 3.0, Movie Clips, 1.0 Video (H.263) 2.0 Blend Modes, New virtual Motion Tween, (ECMAScript High-!delity machine MP3 ed. 3), text, Streaming Video (ON2) video 5 2007 Adobe Systems Incorporated. All Rights Reserved. Widest Reach . Ubiquitous, cross-platform, rich media and rich internet application runtime . Installed on 98% of internet- connected desktops1 . Consistently reaches 80% penetration within 12 months of release2 . Flash Player 9 reached 80%+ penetration in <9 months . YUM-savvy updater to support rapid/consistent Linux penetration 1. Source: Millward-Brown September 2006. Mature Market data. 2. Source: NPD plug-in penetration study 6 2007 Adobe Systems Incorporated. All Rights Reserved. -
Behavioural Analysis of Tracing JIT Compiler Embedded in the Methodical Accelerator Design Software
Scuola Politecnica e delle Scienze di Base Corso di Laurea Magistrale in Ingegneria Informatica Tesi di laurea magistrale in Calcolatori Elettronici II Behavioural Analysis of Tracing JIT Compiler Embedded in the Methodical Accelerator Design Software Anno Accademico 2018/2019 CERN-THESIS-2019-152 //2019 relatori Ch.mo prof. Nicola Mazzocca Ch.mo prof. Pasquale Arpaia correlatore Ing. Laurent Deniau PhD candidato Dario d’Andrea matr. M63000695 Acknowledgements Firstly, I would like to thank my supervisor at CERN, Laurent Deniau, for his daily support and his useful suggestions throughout the work described in this thesis. I would like to express my gratitude to both my university supervisors, Nicola Mazzocca and Pasquale Arpaia, for their helpfulness during this work and for their support during the past years at university. I feel privileged of being allowed to work with such inspiring mentors. This thesis would not have been possible without the help from the community of the LuaJIT project including all the useful insights contained in its mailing list, specially by its author, Mike Pall, who worked for many years accomplishing an amazing job. A special acknowledgement should be addressed to my family. I thank my father Guido and my mother Leda who guided me with love during my education and my life. I am grateful to my brother Fabio, my grandmother Tina, and my uncle Nicola, for their support during the past years. I also want to remember my uncle Bruno who inspired me for my academic career. I wish to express my deepest gratitude to Alicia for her unconditional encour- agement. -
Firefox for Mac Os 103 9 Download
Firefox For Mac Os 10.3 9 Download 1 / 5 Firefox For Mac Os 10.3 9 Download 2 / 5 3 / 5 10 3 Supplemental Update, Mac OS X Update, and many more programs Firefox For Mac 10.. Mac OS X 10 3 MacOS X was Apple's replacement for their classic MacOS Download Name Version Language CPU File type File size; Apple Mac OS X 10.. Need to move Bookmarks, Extensions & Add-Ons to another Mac; Is the process to delete cache and cookies for Firefox 3. 1. firefox download 2. firefox quantum 3. firefox extensions 5 - Apple's latest operating system for the Mac Download the latest versions of the best Mac apps at safe and trusted MacUpdate. firefox download firefox download, firefox for android, firefox quantum, firefox update, firefox logo, firefox extension, firefox vpn, firefox addon, firefox send, firefox portable, firefox, firefox for mac, firefox app, firefox extensions, firefox cycles, firefox themes, firefox addons Stereo Spread Vst Download 0 2 54) All users should apply this update. 6 8Firefox For Mac OsMac os x 9 free download - R for Mac OS X, Java Update for Mac OS X 10. Cancionero Salesiano Pdf 4 / 5 Rabbids Go Home Wbfs Download For Mac firefox quantum Plague Inc Evolved V0.7.5 download 3 X (Panther) is now being installed on all new Cal Poly faculty/staff Macintosh workstations and the OS only keeps getting better! It has been designed for users who could also be new the Macintosh, users who have only recently upgraded from OS 9 to OS X, or users who simply want to understand more about the good new features available in 10. -
Comparing Javascript Engines
Comparing Javascript Engines Xiang Pan, Shaker Islam, Connor Schnaith Background: Drive-by Downloads 1. Visiting a malicious website 2. Executing malicious javascript 3. Spraying the heap 4. Exploiting a certain vulnerability 5. Downloading malware 6. Executing malware Background: Drive-by Downloads 1. Visiting a malicious website 2. Executing malicious javascript 3. Spraying the heap 4. Exploiting a certain vulnerability 5. Downloading malware 6. Executing malware Background: Drive-by Downloads Background: Drive-by Downloads Setup: Making the prototype null while in the prototype creates a pointer to something random in the heap. Background: Drive-by Downloads Environment: gc( ) is a function call specific to Firefox, so the attacker would want to spray the heap with an exploit specific to firefox. Background: Drive-by Downloads Obfuscation: If the browser executing the javascript it firefox,the code will proceed to the return statement. Any other browser will exit with an error due to an unrecognized call to gc( ). Background: Drive-by Downloads Download: The return will be to a random location in the heap and due to heap-spraying it will cause shell code to be executed. Background: Goal of Our Project ● The goal is to decode obfuscated scripts by triggering javascript events ● The problem is when triggering events, some errors, resulting from disparity of different engines or some other reasons, may occur and terminate the progress ● We need to find ways to eliminate the errors and Ex 1therefore generate more de-obfuscated scripts <script> function f(){ //some codes gc(); var x=unescape(‘%u4149%u1982%u90 […]’)); eval(x); } </script> Ex 2 <script type="text/javascript" src="/includes/jquery/jquery.js"></script> Project Overview - Part One ● Modify WebKit engine so that it can generate error informations. -
Revised Electronic Filing Question and Answer Document
Questions and Answers Regarding Electronic Filing TO AVOID FILING MISTAKES PLEASE READ THIS DOCUMENT IN ITS ENTIRETY 1. Is there any means to file a hearing record or pleadings and supporting papers with the Office of State Review (OSR) currently available? Yes. A hearing record may be filed with OSR electronically DURING THE COVID-19 PANDEMIC ONLY. Once a pleading and any supporting papers have been served upon the opposing party, they can also be filed (together with the affidavit of service) through electronic means. 2. Am I required to file documents with OSR electronically? No, documents may be mailed to the Office of State Review in accordance with the usual filing requirements of Part 279 of the Commissioner's Regulations. The ability to file electronically is an added measure available during the COVID-19 pandemic to assist parties in limiting the potential spread of the Coronavirus or to assist parties who have been quarantined. 3. What hardware and software are needed to file documents electronically with OSR? Filing documents with OSR may require the following hardware or software: . A personal computer running a standard platform such as Windows 8/10 or Mac OS X. A recent tablet with an up-to-date operating system such as an iPad with iOS 13 or android tablet. A PDF-compatible word processor like Microsoft Word or Corel WordPerfect. Internet service. A recent web browser, such as Google Chrome, Mozilla Firefox, Safari, or Microsoft Edge or Internet Explorer are recommended. Some users may have positive experiences with other web browsers that OSR staff does not have experience with. -
Mozilla, the European Perspective
Mozilla, the European perspective Pascal Chevrel Mozilla Europe October 09 TheThe MozillaMozilla structurestructure Project led by a non-profit: Mozilla Foundation 2 direct subsidiaries: Mozilla Corporation (Web and labs) Mozilla Messaging (Thunderbird) 3 regional affiliates Mozilla Europe Mozilla Japan Mozilla China AA fewfew factsfacts aboutabout MozillaMozilla inin EuropeEurope 45% of Firefox users are in Europe (~150 million) ~32% market share in Europe (vs 23% world) Regional affiliate to Mozilla (Mozilla Europe) Firefox in 41 European languages Dynamic professional market based on the Mozilla platform or using pieces of it (Mozdev Group, Zoomorama, Briks, Glaxstar, Disruptive Innovations, TomTom, 3Liz, Nokia...) France:France: aa fertilefertile fieldfield forfor MozillaMozilla Strong and organized community of developers building applications with the Mozilla platform Organized community with several not for profit organizations (frenchmozilla, geckozone, xulfr) Mozilla Europe is based in Paris Professional market for Xul outside of Firefox add- ons (intranet applications, large scale deployments of Firefox/Thunderbird, industry applications...) TheThe EuropeanEuropean MozillaMozilla CommunityCommunity EuropeanEuropean eventsevents onon MozillaMozilla TechnologiesTechnologies Two annual European-wide meetings for Mozilla 1. FOSDEM, in Université Libre de Bruxelles 2. MozCamp Europe + Direct education outreach with Mozilla Add-ons Workshops across Europe WhyWhy MozillaMozilla EducationEducation inin Europe?Europe? The Mozilla project values are based on sharing of knowledge and meritocracy, values shared with Education Open Source is quickly gaining acceptance both in the industry and the public sector in Europe, making Mozilla technologies an asset on the job market The Web was invented in Europe in CERN ! MMTCMMTC coursecourse inin Madrid,Madrid, 20092009 CollaborationCollaboration withwith URJCURJC A 3 months course online, started with a one week live session of teaching in Madrid. -
People's Tech Movement to Kick Big Tech out of Africa Could Form a Critical Part of the Global Protests Against the Enduring Legacy of Racism and Colonialism
CONTENTS Acronyms ................................................................................................................................................ 1 1 Introduction: The Rise of Digital Colonialism and Surveillance Capitalism ..................... 2 2 Threat Modeling .......................................................................................................................... 8 3 The Basics of Information Security and Software ............................................................... 10 4 Mobile Phones: Talking and Texting ...................................................................................... 14 5 Web Browsing ............................................................................................................................ 18 6 Searching the Web .................................................................................................................... 23 7 Sharing Data Safely ................................................................................................................... 25 8 Email Encryption ....................................................................................................................... 28 9 Video Chat ................................................................................................................................... 31 10 Online Document Collaboration ............................................................................................ 34 11 Protecting Your Data ................................................................................................................ -
Firefox Tor for Mac
Firefox Tor For Mac 1 / 4 Firefox Tor For Mac 2 / 4 Firefox Tor For Mac High SierraFirefox Tor For Mac Windows 10Firefox Tor For Mac CatalinaFirefox Tor Browser MacFirefox On MacDownload Firefox To MacWindows provides a built-in firewall, which controls how programs access the Internet. 1. firefox 2. firefox logo 3. firefox cycles Note: This article only applies to Windows To see instructions, choose the Windows version from the dropdown menu above. firefox firefox download, firefox quantum, firefox for android, firefox update, firefox for windows, firefox soft98, firefox vpn, firefox extensions, firefox addons, firefox for mac, firefox logo, firefox nightly, firefox send Unduh Aplikasi Grab For Android Gratis Get Firefox for Windows, macOS, Linux, Android and iOS today!This tutorial will provide information on how to configure proxy Firefox on your Mac so you can use our proxy servers in 7 easy steps. Free download Free Slideshow Video Maker programs Realtek Rtl8168 And 8111 Family Gigabit Lan Driver For Mac firefox logo Kiwix Mac Download If you're running Windows Firewall and having connection problems in Firefox: On the left side of the Windows Firewall panel, click Allow an app or feature through Windows Firewall. Team fortress 2 download full game tpb movie 3 / 4 firefox cycles Vm Player 14 Osx The Desktop view will open From the Desktop, hover in the lower right-hand corner to access the Charms.. May 20, 2014 Tor Browser Bundle for Mac enables you to securely browse the Web while hiding your identity, proving to be an accessible, feature- rich option.. exe) selected, click the button Confirm that you want to remove the entry Click the button. -
Understanding and Mitigating Attacks Targeting Web Browsers
Understanding and Mitigating Attacks Targeting Web Browsers A Dissertation presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the field of Information Assurance by Ahmet Salih Buyukkayhan Northeastern University Khoury College of Computer Sciences Boston, Massachusetts April 2019 To my family, teachers and mentors. i Contents List of Figures v List of Tables vii Acknowledgments viii Abstract of the Dissertation ix 1 Introduction 1 1.1 Structure of the Thesis . .2 2 Background 4 2.1 Browser Extensions . .4 2.1.1 Firefox Extensions . .5 2.1.2 Extension Security . .7 2.2 Vulnerabilities in Web Applications . .9 2.2.1 Vulnerability Reward Programs and Platforms . .9 2.2.2 XSS Vulnerabilities . 10 2.2.3 XSS Defenses . 12 3 CrossFire: Firefox Extension-Reuse Vulnerabilities 14 3.1 Overview . 14 3.2 Threat Model . 15 3.3 Design . 16 3.3.1 Vulnerability Analysis . 17 3.3.2 Exploit Generation . 19 3.3.3 Example Vulnerabilities . 20 3.4 Implementation . 23 3.5 Evaluation . 23 3.5.1 Vulnerabilities in Top Extensions . 23 3.5.2 Random Sample Study of Extensions . 25 3.5.3 Performance & Manual Effort . 27 ii 3.5.4 Case Study: Submitting an Extension to Mozilla Add-ons Repository . 28 3.5.5 Jetpack Extensions. 30 3.5.6 Implications on Extension Vetting Procedures . 31 3.6 Summary . 31 4 SENTINEL: Securing Legacy Firefox Extensions 33 4.1 Overview . 33 4.2 Threat Model . 34 4.3 Design . 35 4.3.1 Intercepting XPCOM Operations . 36 4.3.2 Intercepting XUL Document Manipulations .