CVE-2021-37712

npm/tar CVE-2021-37712: high 8.2

Arbitrary File Creation/Overwrite via insufficient symlink protection due to directory cache poisoning using symbolic links

Action: Upgrade tar to 4.4.18 or later.

npm i tar@4.4.18

npm i tar@5.0.10

npm i tar@6.1.9

Affected

Fixed versions

Sources

• osv: GHSA-qq89-hq3f-393p
• https://github.com/npm/node-tar/security/advisories/GHSA-qq89-hq3f-393p
• https://nvd.nist.gov/vuln/detail/CVE-2021-37712
• https://github.com/isaacs/node-tar/commit/1739408d3122af897caefd09662bce2ea477533b
• https://github.com/isaacs/node-tar/commit/2f1bca027286c23e110b8dfc7efc10756fa3db5a
• https://github.com/isaacs/node-tar/commit/3aaf19b2501bbddb145d92b3322c80dcaed3c35f
• https://github.com/isaacs/node-tar/commit/b6162c7fafe797f856564ef37f4b82747f051455
• https://github.com/isaacs/node-tar/commit/bb93ba243746f705092905da1955ac3b0509ba1e
• https://github.com/isaacs/node-tar/commit/d56f790bda9fea807dd80c5083f24771dbdd6eb1
• https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• https://github.com/npm/node-tar
• https://lists.debian.org/debian-lts-announce/2022/12/msg00023.html
• https://www.debian.org/security/2021/dsa-5008
• https://www.npmjs.com/package/tar
• https://www.oracle.com/security-alerts/cpuoct2021.html

CVE-2021-37712 · published 2021-08-31T16:05:17Z · modified 2026-07-08T06:28:24.989628894Z · JSON