- #Electron api download app update
- #Electron api download app verification
- #Electron api download app software
#Electron api download app update
Which translates to the following PowerShell command:Īn attacker could leverage this fail open design to force a malicious update on Windows clients, effectively gaining code execution and persistence capabilities. Ignoring signature validation due to unknown error. To retrieve the update binary’s publisher, the module executes the following code leveraging the native Get-AuthenticodeSignature cmdlet from :ĮxecFile ( "powershell.exe", [ "-NoProfile", "-NonInteractive", "-InputFormat", "None", "-Command", `Get-AuthenticodeSignature '$.
#Electron api download app software
During a software update, the application will request a file named latest.yml from the update server, which contains the definition of the new release - including the binary filename and hashes.
#Electron api download app verification
The signature verification check performed by electron-builder is simply based on a string comparison between the installed binary’s publisherName and the certificate’s Common Name attribute of the update binary. In particular, we identified a vulnerability that can be leveraged to bypass the signature verification check hence leading to remote command execution. A Fail Open DesignĪs part of a security engagement for one of our customers, we have reviewed the update mechanism performed by Electron Builder, and discovered an overall lack of secure coding practices. In particular, it features a dual code-signing method for Windows (supporting SHA1 & SHA256 hashing algorithms). The auto-update feature is provided by its electron-updater submodule, internally using Squirrel.Mac for macOS, NSIS for Windows and AppImage for Linux. No prior experience with Electron is required.This software is commonly used to build platform-specific packages for ElectronJs-based applications and it is frequently employed for software updates as well.The course covers almost every aspect of Electron and is very comprehensive.This course is designed for developers with a good understanding of web technologies such as HTML, CSS & JS, looking to start building native Desktop applications using their existing knowledge.This course is to the point and everything is demonstrated in the most simple, yet practical ways, to help you become an advanced Electron Developer. Upon completion of this course you will have the practical skills to immediately start building high quality desktop applications for Mac, Windows & Linux. The project lessons is divided into 8 individual videos and will take you step-by-step to a complete, distribution-ready desktop application. Once the API is covered, the course looks at some useful features and techniques, also demonstrating how Electron integrates with Native HTML5 APIs.įinally you’ll build a real-world application which covers a large chunk of the Electron API in real-world scenarios. The main body of the course then covers the 3 individual sections of the Electron API in great detail, with very practical individual lessons on each API module. The course starts by setting up the Electron development environment and covers some useful tools to aid in the development process. Basic command line usage and an understanding of ES2015 (ES6) will be beneficial.It is suitable for anyone with a a good understanding of HTML, CSS & JavaScript.With 45 concise and practical lectures, this course will provide a COMPLETE understanding of Electron and it’s full API. You will be able to start building real-world desktop applications immediately. This course will provide a very practical and concise approach to learning Electron from scratch. Put your new knowledge to practical use by building a detailed 8-step Electron project from scratch.Īn invaluable skill for any Web Developer to expand their career opportunities.Įlectron is by far the most popular and fastest growing library for building cross-platform desktop applications using HTML, JavaScript & CSS.
This course is suitable for BOTH complete Electron beginners and existing Electron developers looking to advance to the next level. To use the entire Electron API from scratch.
Go from Web Developer to Desktop Applications Developer by learning
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