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githubGitHub Advisory DatabaseGHSA-6VRV-94JV-CRRG
HistoryJul 07, 2020 - 12:01 a.m.

Context isolation bypass via Promise in Electron

2020-07-0700:01:05
CWE-501
GitHub Advisory Database
github.com
208

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

EPSS

0.001

Percentile

22.7%

Impact

Apps using contextIsolation are affected.

This 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.

Workarounds

There are no app-side workarounds, you must update your Electron version to be protected.

Fixed Versions

  • 9.0.0-beta.21
  • 8.2.4
  • 7.2.4
  • 6.1.11

For more information

If you have any questions or comments about this advisory:

Affected configurations

Vulners
Node
electronelectronRange8.0.08.2.4
OR
electronelectronRange7.0.07.2.4
OR
electronelectronRange<6.1.11
VendorProductVersionCPE
electronelectron*cpe:2.3:a:electron:electron:*:*:*:*:*:*:*:*

CVSS2

4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

6.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

EPSS

0.001

Percentile

22.7%

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