ghsa-6x45-86q6-rcmr
Vulnerability from github
Published
2018-01-22 23:17
Modified
2023-07-31 20:50
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Gyazo allows local users to write arbitrary files
Details

lib/gyazo/client.rb in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "gyazo"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.0.0"
            },
            {
              "fixed": "2.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2014-4994"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:20:27Z",
    "nvd_published_at": "2018-01-10T18:29:00Z",
    "severity": "MODERATE"
  },
  "details": "`lib/gyazo/client.rb` in the gyazo gem 1.0.0 for Ruby allows local users to write to arbitrary files via a symlink attack on a temporary file, related to time-based filenames.",
  "id": "GHSA-6x45-86q6-rcmr",
  "modified": "2023-07-31T20:50:46Z",
  "published": "2018-01-22T23:17:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-4994"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/gyazo/gyazo-ruby"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/gyazo/CVE-2014-4994.yml"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20200229061943/http://www.vapid.dhs.org/advisories/gyazo-1.0.0.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2014/07/07/13"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2014/07/17/5"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Gyazo allows local users to write arbitrary files"
}


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