Security advisory

{
  "id": "6b5100885bd4c520de93e81ff357deaae5e7b0b7f4dd28b3a885375b949d082f",
  "url": "https://osv.dev/vulnerability/CVE-2018-1000544",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-1000544",
    "summary": "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..",
    "evidence": "osv:CVE-2018-1000544",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-1000544",
      "aliases": [
        "CVE-2018-1000544",
        "GHSA-vqcq-mrmw-mcmg"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rubyzip/rubyzip",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "98f4f2ed9b3a26bb94e8a539d2c3464e0266fc41"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:rubyzip_project:rubyzip:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.2.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.2.1",
            "v1.2.0",
            "v1.1.7",
            "v1.1.6",
            "v1.1.5",
            "v1.1.4",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.0",
            "v1.0.0.beta1",
            "0.9.9",
            "0.9.7",
            "0.9.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000544.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:14.582746464Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2018:3466",
        "https://lists.debian.org/debian-lts-announce/2018/08/msg00013.html",
        "https://lists.debian.org/debian-lts-announce/2020/08/msg00002.html",
        "https://github.com/rubyzip/rubyzip/issues/369"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*"
            ],
            "vendor_product": "redhat:cloudforms",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "4.6"
                  },
                  {
                    "last_affected": "4.6"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-1000544",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381435,
  "published_at": "2018-06-26T16:29:02.353+00:00"
}