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Advisories

vm2 before 3.11.8 Sandbox Escape via NodeVM

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severity
critical
date
Affecting

  • vm2 >= 0, < 3.11.8

CWE
  • CWE-913 Improper Control of Dynamically-Managed Code Resources
CVSS
10.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Credit
c0rydoras
Description
vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.

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