Vulnerability Information
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Vulnerability Title
Code Signing Bypass on Windows in electron-updater < 6.3.0-alpha.6
Vulnerability Description
electron-updater allows for automatic updates for Electron apps. The file `packages/electron-updater/src/windowsExecutableCodeSignatureVerifier.ts` implements the signature validation routine for Electron applications on Windows. Because of the surrounding shell, a first pass by `cmd.exe` expands any environment variable found in command-line above. This creates a situation where `verifySignature()` can be tricked into validating the certificate of a different file than the one that was just downloaded. If the step is successful, the malicious update will be executed even if its signature is invalid. This attack assumes a compromised update manifest (server compromise, Man-in-the-Middle attack if fetched over HTTP, Cross-Site Scripting to point the application to a malicious updater server, etc.). The patch is available starting from 6.3.0-alpha.6.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability Type
变量名分隔符转义处理不恰当
Vulnerability Title
electron-builder 安全漏洞
Vulnerability Description
electron-builder是一个用于打包和构建可供分发的Electron、Proton Native应用程序，适用于 macOS、Windows 和 Linux，并提供开箱即用的“自动更新”支持。 electron-builder 6.3.0-alpha.6之前版本存在安全漏洞，该漏洞源于可以绕过Windows上的代码签名，允许应用自动更新。
CVSS Information
N/A
Vulnerability Type
N/A