CVE-2018-20834
En bref
- Source
- NVD
- EPSS
- EPSS 3.15 % · centile 88 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- mitre
- Statut NVD
- Modified
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Description
A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).
Faiblesses (CWE)
- CWE-59 — Suivi de lien non maîtrisé
Références
- https://hackerone.com/reports/344595
- https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8
- https://github.com/npm/node-tar/compare/58a8d43...a5f7779
- https://access.redhat.com/errata/RHSA-2019:1821
- https://nvd.nist.gov/vuln/detail/CVE-2018-20834
- https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d
- https://github.com/npm/node-tar/commits/v2.2.2
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.0 | HIGH 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Avis
- GHSA-j44m-qm6p-hp7m — Arbitrary File Overwrite in tar
Références européennes
- ENISA EUVD · EUVD-2019-0468
- GCVE · GCVE-0-2018-20834
Avis du CERT-FR
- CERTFR-2024-AVI-0575 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:isaacs:tar:*:*:*:*:*:*:*:*< 2.2.2cpe:2.3:a:isaacs:tar:*:*:*:*:*:*:*:*≥ 3.0.0 < 4.4.2
Produits affectés
| Produit | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |