HIGH

GHSA-vj76-c3g6-qr5v

tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball

Quick fix

GHSA-vj76-c3g6-qr5v — tar-fs: upgrade to the fixed version with the command below.

npm install tar-fs@3.1.1

Details

### Impact v3.1.0, v2.1.3, v1.16.5 and below

### Patches Has been patched in 3.1.1, 2.1.4, and 1.16.6

### Workarounds You can use the ignore option to ignore non files/directories.

```js ignore (_, header) { // pass files & directories, ignore e.g. symlinks return header.type !== 'file' && header.type !== 'directory' } ```

### Credit Reported by: Mapta / BugBunny_ai

Enter the version of the package you're using.

Introduced in: 3.0.0Fixed in: 3.1.1

Fixnpm install tar-fs@3.1.1

Introduced in: 2.0.0Fixed in: 2.1.4

Fixnpm install tar-fs@2.1.4

Introduced in: 0Fixed in: 1.16.6

Fixnpm install tar-fs@1.16.6