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Link Following in Deno

High severity GitHub Reviewed Published Jun 13, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

cargo deno (Rust)

Affected versions

< 1.16.0

Patched versions

1.16.0

Description

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.

References

Published by the National Vulnerability Database Jun 12, 2022
Published to the GitHub Advisory Database Jun 13, 2022
Reviewed Jun 23, 2022
Last updated Jan 27, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

EPSS score

0.048%
(19th percentile)

Weaknesses

CVE ID

CVE-2021-41641

GHSA ID

GHSA-67hm-27mx-9cg7

Source code

No known source code
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