Security advisory

{
  "id": "69d0e399971086389d6731e75ead1421d8b4736ab9567844bc9ad044d70d8404",
  "url": "https://osv.dev/vulnerability/CVE-2017-17831",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-17831",
    "summary": "GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, located on a \"url =\" line in a .lfsconfig file within a repository.",
    "evidence": "osv:CVE-2017-17831",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-17831",
      "aliases": [
        "CVE-2017-17831",
        "GHSA-w4xh-w33p-4v29",
        "GO-2021-0073"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/git-lfs/git-lfs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3314e2878fcc3224774a96b78183e111fbd8ac5b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:git_large_file_storage_project:git_large_file_storage:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.1.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3314e2878fcc3224774a96b78183e111fbd8ac5b"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.1.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.1.0",
            "v2.0.2-rc1",
            "v2.0.0",
            "v1.5.0",
            "v1.4.3",
            "v1.4.4",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.1-pre-push-tracing",
            "v1.1.1",
            "v1.1.0",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0",
            "v0.6.0",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.1-tracing",
            "v0.5.0",
            "v0.5.0.pre1",
            "v0.4.1",
            "v0.4.0",
            "v0.3.6",
            "v0.3.5",
            "v0.3.4",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.1-p1",
            "v0.2.0",
            "v0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17831.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:49.134391092Z",
      "provider": "osv",
      "references": [
        "https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html",
        "https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1",
        "https://github.com/git-lfs/git-lfs/pull/2242"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-17831",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379744,
  "published_at": "2017-12-21T06:29:00.243+00:00"
}