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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). -
IN-BROWSER BLITZ LITERATURE REVIEWS 1 Submitted to Meta
IN-BROWSER BLITZ LITERATURE REVIEWS 1 Submitted to Meta-Psychology. Participate in open peer review by commenting through hypothes.is directly on this preprint. The full editorial process of all articles under review at Meta-Psychology can be found following this link: https://tinyurl.com/mp-submissions You will find this preprint by searching for the first author's name. Writing a Psychological Blitz Literature Review with Nothing but a Browser Bogdan Cocoş1 1Department of Psychology, University of Bucharest Author Note Correspondence regarding this article should be addressed to Bogdan Cocoş, 90 Panduri Road, Sector 5, 050663, Bucharest, Romania. E-mail: [email protected] https://orcid.org/0000-0003-4098-7551 IN-BROWSER BLITZ LITERATURE REVIEWS 2 Abstract The ways so far of writing literature reviews represent valid, but not sufficient, landmarks, connected to the current technological context. In this sense, this article proposes a research method called blitz literature review, as a way to quickly, transparently, and repeatably consult key references in a particular area of interest, seen as a network composed of elements that are indispensable to such a process. The tutorial consists of six steps explained in detail, easy to follow and reproduce, accompanied by publicly available supplementary material. Finally, the possible implications of this research method are discussed, being brought to the fore a general recommendation regarding the optimization of the citizens’ involvement in the efforts and approaches of open scientific research. Keywords: blitz literature review, open access, open science, research methods IN-BROWSER BLITZ LITERATURE REVIEWS 3 Writing a Psychological Blitz Literature Review with Nothing but a Browser Context The term “blitz literature review” refers to an adaptation of the concept of literature review. -
A Survey on Architectures of Mobile Operating Systems: Challenges and Issues
International Journal of Research Studies in Computer Science and Engineering (IJRSCSE) Volume 2, Issue 3, March 2015, PP 73-76 ISSN 2349-4840 (Print) & ISSN 2349-4859 (Online) www.arcjournals.org A Survey on Architectures of Mobile Operating Systems: Challenges and Issues Prof. Y. K. Sundara Krishna1 HOD, Dept. of Computer Science, Krishna University Mr. G K Mohan Devarakonda2 Research Scholar, Krishna University Abstract: In the early years of mobile evolution, Discontinued Platforms Current mobile devices are enabled only with voice services Platforms that allow the users to communicate with each other. Symbian OS Android But now a days, the mobile technology undergone Palm OS IOS various changes to a great extent so that the devices Maemo OS Windows Phone allows the users not only to communicate but also to Meego OS Firefox OS attain a variety of services such as video calls, faster Black Berry OS browsing services,2d and 3d games, Camera, 2.1 Symbian OS: This Operating system was Banking Services, GPS services, File sharing developed by NOKIA. services, Tracking Services, M-Commerce and so many. The changes in mobile technology may be due Architecture: to Operating System or Hardware or Network or Memory. This paper presents a survey on evolutions SYMBIAN OS GUI Library in mobile developments especially on mobile operating system Architectures, challenges and Issues in various mobile operating Systems. Application Engines JAVA VM 1. INTRODUCTION Servers (Operating System Services) A Mobile operating system is a System Software that is specifically designed to run on handheld devices Symbian OS Base (File Server, Kernel) such as Mobile Phones, PDA’s. -
Install and Configure Cisco Anyconnect VPN
Install and Configure Cisco AnyConnect VPN PURPOSE: • Installing and configuring Cisco AnyConnect • Enabling and Disabling Cisco AnyConnect VERSION SUPPORTED: 4.5.02033 HOW TO INSTALL AND CONFIGURE CISCO ANYCONNECT VPN FOR WINDOWS: From the desktop, open up a web browser (Google Chrome, Mozilla Firefox, Microsoft Edge, or Internet Explorer). Note: Google Chrome will be used in this example. Type in vpn01.cu.edu into the address bar. You will reach a login page, login using your CU System Username and Password. Contact UIS Call: 303-860-4357 Email:[email protected] Click on the AnyConnect button on the bottom of the list on the left-hand side. Select the “Start AnyConnect” button on that page. It will then load a few items, after it finishes click the blue link for “AnyConnect VPN” Contact UIS Call: 303-860-4357 Email:[email protected] This will download the client in the web browser, in Google Chrome this shows up on the bottom section of the page, but other browsers may place the download in a different location. If you cannot find the download, it should go to the Downloads folder within Windows. Contact UIS Call: 303-860-4357 Email:[email protected] We will then run this download by clicking on it in Chrome. Other browsers may offer a “Run” option instead, which acts the same. It will then open up an installer. Click “Next.” Select the “I accept the terms in the License Agreement” button. Click “Next.” Contact UIS Call: 303-860-4357 Email:[email protected] Select “Install”, this will require the username and password you use to login to your personal computer. -
How Ios 7 Stacks Up:Smartphone OS User Experience Shootout
How iOS 7 Stacks Up: Smartphone OS User Experience Shootout a Pfeiffer Report Benchmark Project www.pfeifferreport.com @pfeifferreport Introduction Why is it that the arrival of iOS 7 Whether we like it or not, We do not look at features, we do not smartphones have become a compare cutting-edge options and is necessarily a momentous software game. Take any recent gadgets, we only look at aspects event for the smartphone top-of-the-line smartphone, and you that have a direct impact on the are likely to get a well-designed, fast, day-to-day user experience of an market? Simple: Unlike any other pleasant to use bit of hardware: fluid average, non-technical user. operating system out there, it will operation, responsive interaction, fast The aspects we have surveyed and be in the hands of millions or tens graphics. The difference of user rated are the following: experience, therefore, stems of millions of users within a few cognitive load, efficiency, almost exclusively from the customization, as well as user days after its launch. operating system, the user interface experience friction. Based on And that will make it a force to be design, the application integration, the the results from these benchmarks overall coherence. we have then established an overall reckoned with. This report compares the five Mobile Operating System User major mobile operating systems Experience Index presented at the * The question is, of course: in use today: iOS 7, iOS 6, Android , end of this document. Windows Phone 8, and Blackberry 10, The benchmarks are based on the How good is it really? and rates them in terms of user Pfeiffer Consulting Methodology experience. -
Machine Learning in the Browser
Machine Learning in the Browser The Harvard community has made this article openly available. Please share how this access benefits you. Your story matters Citable link http://nrs.harvard.edu/urn-3:HUL.InstRepos:38811507 Terms of Use This article was downloaded from Harvard University’s DASH repository, and is made available under the terms and conditions applicable to Other Posted Material, as set forth at http:// nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of- use#LAA Machine Learning in the Browser a thesis presented by Tomas Reimers to The Department of Computer Science in partial fulfillment of the requirements for the degree of Bachelor of Arts in the subject of Computer Science Harvard University Cambridge, Massachusetts March 2017 Contents 1 Introduction 3 1.1 Background . .3 1.2 Motivation . .4 1.2.1 Privacy . .4 1.2.2 Unavailable Server . .4 1.2.3 Simple, Self-Contained Demos . .5 1.3 Challenges . .5 1.3.1 Performance . .5 1.3.2 Poor Generality . .7 1.3.3 Manual Implementation in JavaScript . .7 2 The TensorFlow Architecture 7 2.1 TensorFlow's API . .7 2.2 TensorFlow's Implementation . .9 2.3 Portability . .9 3 Compiling TensorFlow into JavaScript 10 3.1 Motivation to Compile . 10 3.2 Background on Emscripten . 10 3.2.1 Build Process . 12 3.2.2 Dependencies . 12 3.2.3 Bitness Assumptions . 13 3.2.4 Concurrency Model . 13 3.3 Experiences . 14 4 Results 15 4.1 Benchmarks . 15 4.2 Library Size . 16 4.3 WebAssembly . 17 5 Developer Experience 17 5.1 Universal Graph Runner . -
Replication: Why We Still Can't Browse in Peace
Replication: Why We Still Can’t Browse in Peace: On the Uniqueness and Reidentifiability of Web Browsing Histories Sarah Bird, Ilana Segall, and Martin Lopatka, Mozilla https://www.usenix.org/conference/soups2020/presentation/bird This paper is included in the Proceedings of the Sixteenth Symposium on Usable Privacy and Security. August 10–11, 2020 978-1-939133-16-8 Open access to the Proceedings of the Sixteenth Symposium on Usable Privacy and Security is sponsored by USENIX. Replication: Why We Still Can’t Browse in Peace: On the Uniqueness and Reidentifiability of Web Browsing Histories Sarah Bird Ilana Segall Martin Lopatka Mozilla Mozilla Mozilla Abstract This work seeks to reproduce the findings of Olejnik, Castel- We examine the threat to individuals’ privacy based on the luccia, and Janc [48] regarding the leakage of private infor- feasibility of reidentifying users through distinctive profiles mation when users browse the web. The reach of large-scale of their browsing history visible to websites and third par- providers of analytics and advertisement services into the ties. This work replicates and extends the 2012 paper Why overall set of web properties shows a continued increase in Johnny Can’t Browse in Peace: On the Uniqueness of Web visibility [64] by such parties across a plurality of web prop- Browsing History Patterns [48]. The original work demon- erties. This makes the threat of history-based profiling even strated that browsing profiles are highly distinctive and stable. more tangible and urgent now than when originally proposed. We reproduce those results and extend the original work to detail the privacy risk posed by the aggregation of browsing 2 Background and related work histories. -
Browser Versions Carry 10.5 Bits of Identifying Information on Average [Forthcoming Blog Post]
Browser versions carry 10.5 bits of identifying information on average [forthcoming blog post] Technical Analysis by Peter Eckersley This is part 3 of a series of posts on user tracking on the modern web. You can also read part 1 and part 2. Whenever you visit a web page, your browser sends a "User Agent" header to the website saying what precise operating system and browser you are using. We recently ran an experiment to see to what extent this information could be used to track people (for instance, if someone deletes their browser cookies, would the User Agent, alone or in combination with some other detail, be enough to re-create their old cookie?). Our experiment to date has shown that the browser User Agent string usually carries 5-15 bits of identifying information (about 10.5 bits on average). That means that on average, only one person in about 1,500 (210.5) will have the same User Agent as you. On its own, that isn't enough to recreate cookies and track people perfectly, but in combination with another detail like an IP address, geolocation to a particular ZIP code, or having an uncommon browser plugin installed, the User Agent string becomes a real privacy problem. User Agents: An Example of Browser Characteristics Doubling As Tracking Tools When we analyse the privacy of web users, we usually focus on user accounts, cookies, and IP addresses, because those are the usual means by which a request to a web server can be associated with other requests and/or linked back to an individual human being, computer, or local network. -
How to Pin Websites to Mobile Device Home Screen Android
How to pin websites to mobile device home screen Did you know that your mobile device (smart phone or tablet) home screen is not just for apps? Whatever platform you are using, you can pin your favourite websites to your mobile device home screen, so you can quickly access them. Follow steps below to pin favourite webpages to your home screen: Android 1. Launch Chrome (please use chrome only) for Android and open the website or web page you want to pin to your home screen 2. Tap the menu button and tap “Add” to home screen 3. You will be able to name the shortcut and then ‘chrome’ will add it to your home screen 4. The icon will appear on your home screen like any other app shortcut or widget, so you can drag it around and put it wherever you like. Menu Button Tap to add webpage to home screen Apple iPhone, iPads and iPod Touch 1. Launch the safari browser on Apple’s iOS and type the website or web page address that you want to add to your home screen 2. Tap the Share button on the browser’s toolbar (i.e. the rectangle with an arrow pointing upward – see diagram below). It is on the bar at the top of the screen on an iPad, and on the bar at the bottom of the screen on an iPhone or iPod Touch. 3. Tap the Add to Home Screen icon in the share menu (see diagram below) 4. Then you will be prompted to name the shortcut before tapping the Add button. -
Netscape 6.2.3 Software for Solaris Operating Environment
What’s New in Netscape 6.2 Netscape 6.2 builds on the successful release of Netscape 6.1 and allows you to do more online with power, efficiency and safety. New is this release are: Support for the latest operating systems ¨ BETTER INTEGRATION WITH WINDOWS XP q Netscape 6.2 is now only one click away within the Windows XP Start menu if you choose Netscape as your default browser and mail applications. Also, you can view the number of incoming email messages you have from your Windows XP login screen. ¨ FULL SUPPORT FOR MACINTOSH OS X Other enhancements Netscape 6.2 offers a more seamless experience between Netscape Mail and other applications on the Windows platform. For example, you can now easily send documents from within Microsoft Word, Excel or Power Point without leaving that application. Simply choose File, “Send To” to invoke the Netscape Mail client to send the document. What follows is a more comprehensive list of the enhancements delivered in Netscape 6.1 CONFIDENTIAL UNTIL AUGUST 8, 2001 Netscape 6.1 Highlights PR Contact: Catherine Corre – (650) 937-4046 CONFIDENTIAL UNTIL AUGUST 8, 2001 Netscape Communications Corporation ("Netscape") and its licensors retain all ownership rights to this document (the "Document"). Use of the Document is governed by applicable copyright law. Netscape may revise this Document from time to time without notice. THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN NO EVENT SHALL NETSCAPE BE LIABLE FOR INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY KIND ARISING FROM ANY ERROR IN THIS DOCUMENT, INCLUDING WITHOUT LIMITATION ANY LOSS OR INTERRUPTION OF BUSINESS, PROFITS, USE OR DATA. -
HTTP Cookie - Wikipedia, the Free Encyclopedia 14/05/2014
HTTP cookie - Wikipedia, the free encyclopedia 14/05/2014 Create account Log in Article Talk Read Edit View history Search HTTP cookie From Wikipedia, the free encyclopedia Navigation A cookie, also known as an HTTP cookie, web cookie, or browser HTTP Main page cookie, is a small piece of data sent from a website and stored in a Persistence · Compression · HTTPS · Contents user's web browser while the user is browsing that website. Every time Request methods Featured content the user loads the website, the browser sends the cookie back to the OPTIONS · GET · HEAD · POST · PUT · Current events server to notify the website of the user's previous activity.[1] Cookies DELETE · TRACE · CONNECT · PATCH · Random article Donate to Wikipedia were designed to be a reliable mechanism for websites to remember Header fields Wikimedia Shop stateful information (such as items in a shopping cart) or to record the Cookie · ETag · Location · HTTP referer · DNT user's browsing activity (including clicking particular buttons, logging in, · X-Forwarded-For · Interaction or recording which pages were visited by the user as far back as months Status codes or years ago). 301 Moved Permanently · 302 Found · Help 303 See Other · 403 Forbidden · About Wikipedia Although cookies cannot carry viruses, and cannot install malware on 404 Not Found · [2] Community portal the host computer, tracking cookies and especially third-party v · t · e · Recent changes tracking cookies are commonly used as ways to compile long-term Contact page records of individuals' browsing histories—a potential privacy concern that prompted European[3] and U.S. -
Add Sunrail.Com to Your Smart Phone Home Screen
ADD SUNRAIL.COM TO YOUR SMART PHONE HOME SCREEN SunRail.com iPhone, iPad, & iPod Touch Launch the Safari browser on Apple’s iOS and navigate to SunRail.com. Tap the Share button on the browser’s toolbar the rectangle with an arrow pointing upward. It’s on the bar at the top of the screen on an iPad, and on the bar at the bottom of the screen on an iPhone or iPod Touch. Tap the Add to Home Screen icon in the Share menu. You’ll be prompted to name the shortcut before tapping the Add button. The shortcut can be dragged around and placed anywhere like a normal app icon. When you tap the icon, it will load the website in a tab inside the Safari browser app. Android Launch Chrome for Android and open SunRail.com. Tap the menu button and tap Add to homescreen. You’ll be able to enter a name for the shortcut and then Chrome will add it to your home screen. The icon will appear on your home screen like any other app shortcut or widget, so you can drag it around and put it wherever you like. Chrome for Android loads the website as a “web app” when you tap the icon. Windows 8, 8.1, RT Windows 8, 8.1, and RT devices also offer a way to pin websites to your Start screen. This is most useful on tablets. On the Windows desktop, you can pin website shortcuts to your taskbar for easier access. First, open the Internet Explorer browser.