CVE-2019-16775 — Unauthorized File Access in npm CLI before before version 6.13.3

Affected: npm cli

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.

GHSA-m6cx-g6qm-p2cx — Arbitrary File Write in npm

Affected: npm: npm

Versions of the npm CLI prior to 6.13.3 are vulnerable to an Arbitrary File Write. It fails to prevent access to folders outside of the intended node_modules folder through the bin field. A properly constructed entry in the package.json bin field would allow a package publisher to create files on a user's system when the package is installed. It is only possible to affect files that the user running `npm install` has access to and it is not possible to over write files that already exist on disk.

This behavior is still possible through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.

## Recommendation

Upgrade to version 6.13.3 or later.

Most recent entries from all

CVE-2019-16775 — Unauthorized File Access in npm CLI before before version 6.13.3

GHSA-m6cx-g6qm-p2cx — Arbitrary File Write in npm