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CVE-2021-40531

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSketch
PublishedSep 6, 2021
First seenSep 6, 2021

How to fix

Update
  • sketch sketch75 or later

Affected products

ProductAffected versionsFixed in
sketch sketchv < 7575

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