Path Traversal in Npm Node-tar
CVE-2021-32804
The npm package "tar" (aka node-tar) before versions 6.1.1, 5.0.6, 4.4.14, and 3.3.2 has a arbitrary File Creation/Overwrite vulnerability due to insufficient absolute path sanitization. node-tar aims to prevent extraction of absolute file…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.850 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Npm Node-tar — versions < 3.2.2, >= 4.0.0, < 4.4.14, >= 5.0.0, < 5.0.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.npmjs.com/package/tar (x_refsource_MISC)
- github.com/npm/node-tar/security/advisories/GHSA-3jfq-g458-7qm9 (x_refsource_CONFIRM)
- github.com/npm/node-tar/commit/1f036ca23f64a547bdd6c79c1a44bc62e8115da4 (x_refsource_MISC)
- www.npmjs.com/advisories/1770 (x_refsource_MISC)
- www.oracle.com/security-alerts/cpuoct2021.html (x_refsource_MISC)
- cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2021-32804?
- CVE-2021-32804 is a high-severity vulnerability in Npm Node-tar, classified under Path Traversal. CVSS score: 8.2/10. Published 2021-08-03.
- How severe is CVE-2021-32804?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2021-32804 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.