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CVE-2020-15096— Context isolation bypass via Promise in Electron

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.

OpenJS Electron是OpenJS基金会的一款用于桌面GUI应用程序开发的开源框架。 OpenJS Electron中的contextIsolation模块存在安全漏洞。攻击者可利用该漏洞执行权限操作。以下产品及版本受到影响：OpenJS Electron 6.1.1之前版本，7.2.4之前版本，8.2.4之前版本，9.0.0-beta21之前版本。

CVSS 6.8 · Medium EPSS 0.81% · P55

Possible ATT&CK Techniques 1 AI

T1558 · Steal or Forge Kerberos Tickets
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I. Basic Information for CVE-2020-15096

Vulnerability Information
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Vulnerability Title
Context isolation bypass via Promise in Electron
Source: CVE Program / CVE List V5
Vulnerability Description
In Electron before versions 6.1.1, 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass, meaning that code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using "contextIsolation" are affected. There are no app-side workarounds, you must update your Electron version to be protected. This is fixed in versions 6.1.1, 7.2.4, 8.2.4, and 9.0.0-beta21.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
违背信任边界
Source: CVE Program / CVE List V5
Vulnerability Title
OpenJS Electron 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenJS Electron是OpenJS基金会的一款用于桌面GUI应用程序开发的开源框架。 OpenJS Electron中的contextIsolation模块存在安全漏洞。攻击者可利用该漏洞执行权限操作。以下产品及版本受到影响：OpenJS Electron 6.1.1之前版本，7.2.4之前版本，8.2.4之前版本，9.0.0-beta21之前版本。
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 < 6.1.1 -

II. Public POCs for CVE-2020-15096

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III. Intelligence Information for CVE-2020-15096

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Vendor Advisories for CVE-2020-15096 (1)

Other References for CVE-2020-15096 (1)

Same Patch Batch · electron · 2020-07-07 · 4 CVEs total

CVE-2020-4076 7.8 HIGH Context isolation bypass via leaked cross-context objects in Electron
CVE-2020-4077 7.7 HIGH Context isolation bypass via contextBridge in Electron
CVE-2020-4075 6.8 MEDIUM Arbitrary file read via window-open IPC in Electron

IV. Related Vulnerabilities

Same product: electron
Same vendor: electron
Same weakness: CWE-501

V. Comments for CVE-2020-15096

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