CVE-2021-40531 Information

Description

Sketch before 75 allows library feeds to be used to bypass file quarantine. Files are automatically downloaded and opened without the com.apple.quarantine extended attribute. This results in remote code execution as demonstrated by CommandString in a terminal profile to Terminal.app.

CVSS Vector

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

Reference

https://www.sketch.com/updates/#version-75 https://jonpalmisc.com/2021/11/22/cve-2021-40531

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8