{
  "schema_version": "1.4.0",
  "id": "GHSA-w4xh-w33p-4v29",
  "modified": "2023-02-08T00:28:40Z",
  "published": "2022-05-14T00:55:16Z",
  "aliases": [
    "CVE-2017-17831"
  ],
  "summary": "GitHub Git LFS Improper Input Validation vulnerability",
  "details": "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.",
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/git-lfs/git-lfs/lfsapi"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.1-0.20170519163204-f913f5f9c7c6"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/git-lfs/git-lfs"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.1.1-0.20170519163204-f913f5f9c7c6"
            }
          ]
        }
      ]
    }
  ],
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-17831"
    },
    {
      "type": "WEB",
      "url": "https://github.com/git-lfs/git-lfs/pull/2241"
    },
    {
      "type": "WEB",
      "url": "https://github.com/git-lfs/git-lfs/pull/2242"
    },
    {
      "type": "WEB",
      "url": "https://github.com/git-lfs/git-lfs/commit/f913f5f9c7c6d1301785fdf9884a2942d59cdf19"
    },
    {
      "type": "WEB",
      "url": "https://confluence.atlassian.com/sourcetreekb/sourcetree-security-advisory-2018-01-24-942834324.html"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/git-lfs/git-lfs"
    },
    {
      "type": "WEB",
      "url": "https://github.com/git-lfs/git-lfs/releases/tag/v2.1.1"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2021-0073"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20200227131639/http://www.securityfocus.com/bid/102926"
    },
    {
      "type": "WEB",
      "url": "http://blog.recurity-labs.com/2017-08-10/scm-vulns"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/102926"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-02-08T00:28:40Z",
    "nvd_published_at": "2017-12-21T06:29:00Z",
    "severity": "HIGH"
  }
}