CVE-2022-39266CWE-20CWE-693

isolated-vm has vulnerable CachedDataOptions in API

Critical · published September 29, 2022

CVSS v3.1
9.7
EPSS
1%
Percentile
70.1
In the wild
Unconfirmed
What it is

🔥 An untrusted v8 cached data payload could be the Trojan horse that lets attackers run wild in your Node.js environment! Think of it like a restaurant that accepts takeout orders without checking the ingredients—an unsuspecting chef could end up serving a dangerous dish that messes with everyone’s health! If an attacker successfully exploits this vulnerability, they could bypass the sandbox and execute arbitrary code within the Node.js process, leading to potential data breaches, unauthorized access, or even a complete system compromise. This is absolutely devastating, as it turns your secure environment into a playground for malicious actors!

Put simply

Think of it like a restaurant that accepts takeout orders without checking the ingredients—an unsuspecting chef could end up serving a dangerous dish that messes with everyone’s health! This critical vulnerability in the isolated-vm library (versions 4.3.6 and prior) allows attackers to exploit untrusted v8 cached data passed via the CachedDataOptions, effectively bypassing security measures designed to isolate code execution.

What to do

If an attacker successfully exploits this vulnerability, they could bypass the sandbox and execute arbitrary code within the Node.js process, leading to potential data breaches, unauthorized access, or even a complete system compromise. This is absolutely devastating, as it turns your secure environment into a playground for malicious actors! Immediate action is necessary: upgrade to isolated-vm version 4.3.7 or later to address this vulnerability. Additionally, review your code to avoid accepting cached data payloads from untrusted users, ensuring tighter security practices. You've got this! Implement these fixes, and you'll be well on your way to securing your Node.js environment! 🛡️

The record
Technical detail
CVSS v3.1
9.7 · CRITICAL
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01296 · 70.1th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-693 · Protection Mechanism Failure
Published
2022-09-29T18:10Z
EPSS history
Timeline
  • 29 SEP 18:10Z
    isolated-vm has vulnerable CachedDataOptions in API
    cvelistv5