In short
- CVE-2022-39266 is a CRITICAL (CVSS 9.8) vulnerability affecting isolated-vm (isolated-vm project), isolated-vm.
- Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 70.5% of all vulnerabilities.
- Fix: update to 4.3.7 or later.
Description
Impact
If the untrusted v8 cached data is passed to the API through CachedDataOptions, the attackers can bypass the sandbox and run arbitrary code in the nodejs process. Version 4.3.7 changes the documentation to warn users that they should not accept cachedData payloads from a user.
NVD description
isolated-vm is a library for nodejs which gives the user access to v8's Isolate interface. In versions 4.3.6 and prior, if the untrusted v8 cached data is passed to the API through CachedDataOptions, attackers can bypass the sandbox and run arbitrary code in the nodejs process. Version 4.3.7 changes the documentation to warn users that they should not accept `cachedData` payloads from a user.
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