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  5. CVE-2021-39135

CVE-2021-39135: UNIX Symbolic Link (Symlink) Following

August 31, 2021 (updated November 7, 2023)

@npmcli/arborist, the library that calculates dependency trees and manages the node_modules folder hierarchy for the npm command line interface, aims to guarantee that package dependency contracts will be met, and the extraction of package contents will always be performed into the expected folder.

References

  • github.com/npm/arborist/security/advisories/GHSA-gmw6-94gg-2rc2
  • nvd.nist.gov/vuln/detail/CVE-2021-39135
  • www.npmjs.com/package/@npmcli/arborist
  • www.oracle.com/security-alerts/cpuoct2021.html

Code Behaviors & Features

Detect and mitigate CVE-2021-39135 with GitLab Dependency Scanning

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Affected versions

All versions before 2.8.2

Fixed versions

  • 2.8.2

Solution

Upgrade to version 2.8.2 or above.

Impact 7.8 HIGH

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

Learn more about CVSS

Weakness

  • CWE-61: UNIX Symbolic Link (Symlink) Following

Source file

npm/@npmcli/arborist/CVE-2021-39135.yml

Spotted a mistake? Edit the file on GitLab.

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