{
  "schema_version": "1.4.0",
  "id": "GHSA-vfrm-87wr-xvjf",
  "modified": "2022-05-14T01:57:31Z",
  "published": "2022-05-14T01:57:31Z",
  "aliases": [
    "CVE-2018-6557"
  ],
  "details": "The MOTD update script in the base-files package in Ubuntu 18.04 LTS before 10.1ubuntu2.2, and Ubuntu 18.10 before 10.1ubuntu6 incorrectly handled temporary files. A local attacker could use this issue to cause a denial of service, or possibly escalate privileges if kernel symlink restrictions were disabled.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-6557"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3748-1"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/105148"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1041530"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-08-21T16:29:00Z"
  }
}