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Symlink Following Affecting npm package, versions <6.13.4+ds-2

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Integrity High

    Threat Intelligence

    EPSS 0.18% (56th percentile)
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NVD
6.5 medium
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SUSE
7.7 high
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Red Hat
4.8 medium

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  • Snyk ID SNYK-DEBIAN11-NPM-537769
  • published 13 Dec 2019
  • disclosed 13 Dec 2019
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Introduced: 13 Dec 2019

CVE-2019-16775 Open this link in a new tab
CWE-61 Open this link in a new tab

How to fix?

Upgrade Debian:11 npm to version 6.13.4+ds-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream npm package and not the npm package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

Versions of the npm CLI prior to 6.13.3 are vulnerable to an Arbitrary File Write. It is possible for packages to create symlinks to files outside of thenode_modules folder through the bin field upon installation. A properly constructed entry in the package.json bin field would allow a package publisher to create a symlink pointing to arbitrary files on a user's system when the package is installed. This behavior is still possible through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.

References