CVE-2021-41641 — Link Following in deno — CVE Details

HIGH

Link Following in Deno

Published June 13, 2022Updated November 8, 2023Source: osv

Summary

Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.

Advisory Timeline

First published June 13, 2022 (1582 days ago).
Last revised November 8, 2023 — 513 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo

Update deno to 1.16.0 or later

cargo update -p deno --precise 1.16.0

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

Package	Ecosystem	Affected	Fixed In
deno	crates.io	All versions	1.16.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-59
View on MITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.4 score means for each attack dimension.

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

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

References

Frequently Asked Questions

What is CVE-2021-41641?: Link Following in Deno This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.4/10).
How do I check if my project is affected by CVE-2021-41641?: CVE-2021-41641 affects deno. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-41641 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

8.4

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-67hm-27mx-9cg7

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