ghsa-g982-9r8g-6qxw
Vulnerability from github
Published
2018-07-23 19:50
Modified
2023-07-05 17:57
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Summary
Ciborg gem for Ruby allows local users to write files and gain privileges via Symlink
Details

There is a /tmp file race condition in chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb in the ciborg gem 3.0.0 when creating /tmp/perlbrew-installer. If a malicious local user creates the file first they can overwrite the contents with their own code executing it as the ciborg process owner.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "RubyGems",
        "name": "ciborg"
      },
      "versions": [
        "3.0.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2014-5003"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:36:44Z",
    "nvd_published_at": "2018-01-10T18:29:00Z",
    "severity": "MODERATE"
  },
  "details": "There is a /tmp file race condition in `chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb` in the ciborg gem 3.0.0 when creating `/tmp/perlbrew-installer`. If a malicious local user creates the file first they can overwrite the contents with their own code executing it as the ciborg process owner.\n",
  "id": "GHSA-g982-9r8g-6qxw",
  "modified": "2023-07-05T17:57:47Z",
  "published": "2018-07-23T19:50:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2014-5003"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-g982-9r8g-6qxw"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ciborg/CVE-2014-5003.yml"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2014/07/07/24"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2014/07/17/5"
    },
    {
      "type": "WEB",
      "url": "http://www.vapid.dhs.org/advisories/ciborg-3.0.0.html"
    }
  ],
  "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": "Ciborg gem for Ruby allows local users to write files and gain privileges via Symlink"
}


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