An Improper Link Resolution Before File Access ("Link Following") and Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal"). This vulnerability occurs when extracting a maliciously crafted tar file, which can result in unauthorized file writes or overwrites outside the intended extraction directory. The issue is associated with index.js in the tar-fs package. This issue affects tar-fs: from 0.0.0 before 1.16.4, from 2.0.0 before 2.1.2, from 3.0.0 before 3.0.8.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| tar-fs(npm) | 0 | 1.16.4 | N/A |
| tar-fs(npm) | 2.0.0 | 2.1.2 | N/A |
| tar-fs(npm) | 3.0.0 | 3.0.7 | N/A |
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