CVE-2018-8780
At a glance
- Severity
- Not available
- EPSS
- EPSS 9.98 % · percentile 96 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- mitre
- NVD status
- Modified
Description
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | CRITICAL 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2018-20389
- GCVE · GCVE-0-2018-8780
CERT-FR advisories
- CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
- CERTFR-2018-AVI-524 — Multiples vulnérabilités dans les produits Apple · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*< 2.2.10cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*≥ 2.3.0 < 2.3.7cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*≥ 2.4.0 < 2.4.4cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*≥ 2.5.0 < 2.5.1cpe:2.3:a:ruby-lang:ruby:2.6.0:preview1:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| affected n/a |
References
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/
- https://access.redhat.com/errata/RHSA-2018:3729
- https://usn.ubuntu.com/3626-1/
- http://www.securitytracker.com/id/1042004
- https://access.redhat.com/errata/RHSA-2018:3730
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://access.redhat.com/errata/RHSA-2018:3731
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/
- https://www.ruby-lang.org/en/news/2018/03/28/poisoned-nul-byte-dir-cve-2018-8780/
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- http://www.securityfocus.com/bid/103739
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/
- https://www.debian.org/security/2018/dsa-4259
- https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/
- https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- https://access.redhat.com/errata/RHSA-2019:2028
- https://access.redhat.com/errata/RHSA-2020:0542
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0663
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 |