{"cve":"CVE-2018-1000544","nvd":{"published":"2018-06-26T16:29:02.353","modified":"2026-06-17T01:32:52.857","status":"Modified","description":"rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames \"../\" to write arbitrary files to the filesystem..","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-59","CWE-434"],"references":["https://access.redhat.com/errata/RHSA-2018:3466","https://github.com/rubyzip/rubyzip/issues/369","https://lists.debian.org/debian-lts-announce/2018/08/msg00013.html","https://lists.debian.org/debian-lts-announce/2020/08/msg00002.html","https://access.redhat.com/errata/RHSA-2018:3466"],"products":["debian:debian_linux","redhat:cloudforms","rubyzip_project:rubyzip"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2018-1000544","score":0.04407,"percentile":0.91331,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-vqcq-mrmw-mcmg","url":"https://osv.dev/vulnerability/GHSA-vqcq-mrmw-mcmg","summary":"Rubyzip gem contains a Directory Traversal vulnerability in zip file component","modified":"2024-02-16T08:10:57.329853Z","packages":[{"ecosystem":"RubyGems","name":"rubyzip","purl":"pkg:gem/rubyzip","ranges":["<1.2.2"],"fixed":["1.2.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}