Oasis Safety has recognized a vulnerability in Cursor, an AI-based code editor, that permits hidden code to run as quickly as a person opens a venture folder with none motion or warning.
The problem comes from a default setting in Cursor. A security function known as Workspace Belief is disabled by default when this system is first put in. In consequence, sure process information can start executing instructions instantly when a developer opens a folder.
If a person provides a dangerous process to a venture and shares it on-line, these instructions will run as quickly as one other individual opens the folder in Cursor.
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Cursor is constructed on prime of Visible Studio Code, which additionally contains the Workspace Belief function. This device is designed to guard builders from malicious code by blocking automated duties from unknown sources.
The vulnerability exploits the .vscode/duties.json file, which may include directions to run duties as quickly as a folder is opened. Attackers can place these directions in a shared venture.
In response to Erez Schwartz from Oasis Safety, this conduct can result in stolen credentials, modified information, or system entry. It additionally will increase the possibilities of provide chain assaults, the place malicious code spreads via instruments or initiatives utilized by many individuals.
To remain secure, customers ought to take just a few steps. First, they need to allow Workspace Belief in Cursor to cease unknown duties from operating robotically. Second, it’s suggested to open untrusted initiatives utilizing a unique code editor, particularly the .vscode folder, earlier than utilizing Cursor.
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