CVE-2020-4075 Information

Description

In Electron before versions 7.2.4 8.2.4 and 9.0.0-beta21 arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround ensure you are calling event.preventDefault() on all new-window events where the url or options is not something you expect. This is fixed in versions 9.0.0-beta.21 8.2.4 and 7.2.4.

CVSS Vector

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

Reference

https://github.com/electron/electron/security/advisories/GHSA-f9mq-jph6-9mhm https://www.electronjs.org/releases/stable?page=3release-notes-for-v824 In Electron before versions 7.2.4 8.2.4 and 9.0.0-beta21 arbitrary local file read is possible by defining unsafe window options on a child window opened via window.open. As a workaround ensure you are calling event.preventDefault() on all new-window events where the url or options is not something you expect. This is fixed in versions 9.0.0-beta.21 8.2.4 and 7.2.4.

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5