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CVE-2022-36077— Electron subject to Exfiltration of hashed SMB credentials on Windows via file:// redirect

Quick assessment

Affected
electron electron
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Electron是个人开发者的一个用户编写跨平台桌面应用的 JavaScript 框架。该框架基于 nodejs 和 Chromium 可以使用HTML，CSS实现跨平台桌面应用的编写。 Electron 20.0.1之前的20.x版本、19.0.11之前的19.x版本和18.3.7之前的18.x版本存在安全漏洞，该漏洞源于易受敏感信息泄露的影响，在重定向之后对渲染器不可用。

CVSS 7.2 · High EPSS 0.56% · P44
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I. Basic Information for CVE-2022-36077

Vulnerability Information
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Vulnerability Title
Electron subject to Exfiltration of hashed SMB credentials on Windows via file:// redirect
Source: CVE Program / CVE List V5
Vulnerability Description
The Electron framework enables writing cross-platform desktop applications using JavaScript, HTML and CSS. In versions prior to 21.0.0-beta.1, 20.0.1, 19.0.11, and 18.3.7, Electron is vulnerable to Exposure of Sensitive Information. When following a redirect, Electron delays a check for redirecting to file:// URLs from other schemes. The contents of the file is not available to the renderer following the redirect, but if the redirect target is a SMB URL such as `file://some.website.com/`, then in some cases, Windows will connect to that server and attempt NTLM authentication, which can include sending hashed credentials.This issue has been patched in versions: 21.0.0-beta.1, 20.0.1, 19.0.11, and 18.3.7. Users are recommended to upgrade to the latest stable version of Electron. If upgrading isn't possible, this issue can be addressed without upgrading by preventing redirects to file:// URLs in the `WebContents.on('will-redirect')` event, for all WebContents as a workaround.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Electron 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Electron是个人开发者的一个用户编写跨平台桌面应用的 JavaScript 框架。该框架基于 nodejs 和 Chromium 可以使用HTML，CSS实现跨平台桌面应用的编写。 Electron 20.0.1之前的20.x版本、19.0.11之前的19.x版本和18.3.7之前的18.x版本存在安全漏洞，该漏洞源于易受敏感信息泄露的影响，在重定向之后对渲染器不可用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
electron electron >= v21.0.0-nightly.20220526, < 21.0.0-beta.1 -

II. Public POCs for CVE-2022-36077

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III. Intelligence Information for CVE-2022-36077

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Vendor Advisories for CVE-2022-36077 (1)

IV. Related Vulnerabilities

Same product: electron
Same vendor: electron
Same weakness: CWE-522

V. Comments for CVE-2022-36077

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