The vm2 JavaScript sandbox module maintainers have released a patch to address a severe bug that affects all versions, including and prior to 3.9.14, and could be exploited to breach security boundaries and execute arbitrary shellcode. vm2 is a popular Node.js tool for running untrusted programs in an isolated environment. It is utilized in 721 packages and generates approximately four million weekly downloads. The vulnerability, CVE-2023-29017, has a CVSS score of 9.8 and does not correctly handle errors that occur in asynchronous operations. The release of the fix comes nearly six months after vm2 patched a further significant vulnerability (CVE-2022-36067, CVSS score: 10) that could have been used to perform arbitrary activities on the underlying machine.
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