Sandbox bypass leading to arbitrary code execution in Deno
Description
Published by the National Vulnerability Database
Mar 25, 2022
Published to the GitHub Advisory Database
Mar 29, 2022
Reviewed
Mar 29, 2022
Last updated
Jun 30, 2023
Credits
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DjDeveloperr Analyst
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andreubotella Analyst
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aapoalas Analyst
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lucacasonato Analyst
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tdunlap607 Analyst
Impact
The versions of Deno between release 1.18.0 and 1.20.2 (inclusive) are vulnerable to an attack where a malicious actor controlling the code executed in a Deno runtime could bypass permission checks and execute arbitrary shell code.
There is no evidence that this vulnerability has been exploited in the wild.
This vulnerability does not affect users of Deno Deploy.
Patches
The vulnerability has been patched in Deno 1.20.3.
Workarounds
There is no workaround. All users are recommended to upgrade to 1.20.3 immediately
The cause of this error was that certain FFI operations did not correctly check for permissions. The issue was fixed in this pull request.
References