ubuntu-cve-2020-14983
Vulnerability from osv_ubuntu
Published
2020-06-22 20:15
Modified
2025-10-24 04:48
Summary
Details

The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.

Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "chocolate-common",
            "binary_version": "2.2.1-2.1"
          },
          {
            "binary_name": "chocolate-doom",
            "binary_version": "2.2.1-2.1"
          },
          {
            "binary_name": "chocolate-heretic",
            "binary_version": "2.2.1-2.1"
          },
          {
            "binary_name": "chocolate-hexen",
            "binary_version": "2.2.1-2.1"
          },
          {
            "binary_name": "chocolate-strife",
            "binary_version": "2.2.1-2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "chocolate-doom",
        "purl": "pkg:deb/ubuntu/chocolate-doom@2.2.1-2.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.2.0-1",
        "2.2.1-1",
        "2.2.1-2",
        "2.2.1-2.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "chocolate-common",
            "binary_version": "3.0.0-4"
          },
          {
            "binary_name": "chocolate-doom",
            "binary_version": "3.0.0-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "chocolate-doom",
        "purl": "pkg:deb/ubuntu/chocolate-doom@3.0.0-4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.3.0-3",
        "3.0.0-1",
        "3.0.0-3",
        "3.0.0-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "chocolate-doom",
            "binary_version": "3.0.0-5"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "chocolate-doom",
        "purl": "pkg:deb/ubuntu/chocolate-doom@3.0.0-5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.0.0-4",
        "3.0.0-5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "crispy-doom",
            "binary_version": "5.6.4-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "crispy-doom",
        "purl": "pkg:deb/ubuntu/crispy-doom@5.6.4-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.6-1",
        "5.6.3-1",
        "5.6.3-2",
        "5.6.4-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn\u0027t validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server\u0027s stack.",
  "id": "UBUNTU-CVE-2020-14983",
  "modified": "2025-10-24T04:48:35Z",
  "published": "2020-06-22T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-14983"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/chocolate-doom/chocolate-doom/issues/1293"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-14983"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-14983"
  ]
}



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