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CVE-2021-46433 — Sandbox bypass in fenom/fenom — CVE Details

CRITICAL

Sandbox bypass in fenom

Published March 29, 2022Updated December 5, 2024Source: osv

Summary

In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.

Advisory Timeline

  • First published March 29, 2022 (1659 days ago).
  • Last revised December 5, 2024 — 982 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
fenom/fenom
packagist
1.4.9, 2.0.0, 2.1.0, 2.10.0 (+30 more)Range-based data available

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 10.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-46433?
Sandbox bypass in fenom This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 10.0/10).
How do I check if my project is affected by CVE-2021-46433?
CVE-2021-46433 affects fenom/fenom. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-46433 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
10.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-674v-3g2w-84gx

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