{
  "schema_version": "1.4.0",
  "id": "GHSA-868p-wr6f-7jfr",
  "modified": "2024-07-25T15:30:34Z",
  "published": "2022-05-13T01:09:53Z",
  "aliases": [
    "CVE-2018-6789"
  ],
  "details": "An issue was discovered in the base64d function in the SMTP listener in Exim before 4.90.1. By sending a handcrafted message, a buffer overflow may happen. This can be used to execute code remotely.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-6789"
    },
    {
      "type": "WEB",
      "url": "https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en"
    },
    {
      "type": "WEB",
      "url": "https://exim.org/static/doc/security/CVE-2018-6789.txt"
    },
    {
      "type": "WEB",
      "url": "https://git.exim.org/exim.git/commit/cf3cd306062a08969c41a1cdd32c6855f1abecf1"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2018/02/msg00009.html"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3565-1"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4110"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/44571"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/45671"
    },
    {
      "type": "WEB",
      "url": "http://openwall.com/lists/oss-security/2018/02/10/2"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/162959/Exim-base64d-Buffer-Overflow.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2018/02/07/2"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/103049"
    },
    {
      "type": "WEB",
      "url": "http://www.securitytracker.com/id/1040461"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119",
      "CWE-120"
    ],
    "severity": "CRITICAL",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2018-02-08T23:29:00Z"
  }
}