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CVE

CVE-2023-30547

vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. There exists a vulnerability in e

vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. There exists a vulnerability in exception sanitization of vm2 for versions up to 3.9.16, allowing attackers to raise an unsanitized host exception inside handleException() which can be used to escape the sandbox and run arbitrary code in host context. This vulnerability was patched in the release of version 3.9.17 of vm2.

There are no known workarounds for this vulnerability. Users are advised to upgrade.

CRITICAL · CVSS 9.8 EPSS 0.84615
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

1
vm2 project vm2<= 3.9.16
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm vm2 CRITICAL fixed in 3.9.17
⚠

Public Exploits & PoCs

2
pocgist.github.com · 381b230b04936dd4d74aaf90cc8bb244gist.github.com
pocgithub.com · GHSA-ch3r-j5x3-6q2mgithub.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
rhsaRHSA-2023:1897Critical
rhsaRHSA-2023:1896Critical
rhsaRHSA-2023:1893Critical
rhsaRHSA-2023:1894Critical
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/patriksimek/vm2/commit/4b22e87b102d97d45d112a0931dba1aef7eea049Patch
https://github.com/patriksimek/vm2/commit/f3db4dee4d76b19869df05ba7880d638a880edd5Patch
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