Security advisory

{
  "id": "3ddab3a3ef9af37ee7752433f71697dd76badddebd995f6a25189146bc811d65",
  "url": "https://osv.dev/vulnerability/CVE-2017-8805",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-8805",
    "summary": "Debian ftpsync before 20171017 does not use the rsync --safe-links option, which allows remote attackers to conduct directory traversal attacks via a crafted upstream mirror.",
    "evidence": "osv:CVE-2017-8805",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-8805",
      "aliases": [
        "CVE-2017-8805"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://salsa.debian.org/mirror-team/archvsync",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b38fdfe444e79aea9cdcae9623f9dbce11416f96"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "20171017"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20170920",
            "20170912",
            "20170810",
            "20170204",
            "20160306",
            "20150425",
            "20130605",
            "20130501",
            "20120521",
            "80486",
            "80387",
            "80386",
            "80286",
            "8086",
            "4711",
            "0815",
            "23",
            "42",
            "3.1415926"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-8805.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:34.562330389Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-mirrors/2017/10/msg00017.html",
        "https://anonscm.debian.org/cgit/mirror/archvsync.git/commit/?id=d1ca2ab2210990b6dfb664cd6776a41b71c48016"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:debian:ftpsync:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:ftpsync",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "20171016"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-8805",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380572,
  "published_at": "2017-10-17T18:29:00.247+00:00"
}