ubuntu-cve-2019-20797
Vulnerability from osv_ubuntu
Published
2020-05-18 00:15
Modified
2025-10-24 04:48
Summary
Details

An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.

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

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "prboom-plus",
            "binary_version": "2:2.5.1.5~svn4462+dfsg1-1"
          },
          {
            "binary_name": "prboom-plus-game-server",
            "binary_version": "2:2.5.1.5~svn4462+dfsg1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "prboom-plus",
        "purl": "pkg:deb/ubuntu/prboom-plus@2:2.5.1.5~svn4462+dfsg1-1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:2.5.1.4~svn4425+dfsg1-2",
        "2:2.5.1.4~svn4444+dfsg1-1",
        "2:2.5.1.4~svn4454+dfsg1-1",
        "2:2.5.1.4~svn4457+dfsg1-1",
        "2:2.5.1.5~svn4462+dfsg1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "prboom-plus",
            "binary_version": "2:2.5.1.5+svn4531+dfsg1-1"
          },
          {
            "binary_name": "prboom-plus-game-server",
            "binary_version": "2:2.5.1.5+svn4531+dfsg1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "prboom-plus",
        "purl": "pkg:deb/ubuntu/prboom-plus@2:2.5.1.5+svn4531+dfsg1-1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:2.5.1.5~svn4462+dfsg1-1build1",
        "2:2.5.1.5+svn4531+dfsg1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "prboom-plus",
            "binary_version": "2:2.5.1.5+svn4540+dfsg1-1build1"
          },
          {
            "binary_name": "prboom-plus-game-server",
            "binary_version": "2:2.5.1.5+svn4540+dfsg1-1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "prboom-plus",
        "purl": "pkg:deb/ubuntu/prboom-plus@2:2.5.1.5+svn4540+dfsg1-1build1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:2.5.1.5+svn4540+dfsg1-1",
        "2:2.5.1.5+svn4540+dfsg1-1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "An issue was discovered in e6y prboom-plus 2.5.1.5. There is a buffer overflow in client and server code responsible for handling received UDP packets, as demonstrated by I_SendPacket or I_SendPacketTo in i_network.c.",
  "id": "UBUNTU-CVE-2019-20797",
  "modified": "2025-10-24T04:48:09Z",
  "published": "2020-05-18T00:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20797"
    },
    {
      "type": "REPORT",
      "url": "https://logicaltrust.net/blog/2019/10/prboom1.html"
    },
    {
      "type": "REPORT",
      "url": "https://sourceforge.net/p/prboom-plus/bugs/252/"
    },
    {
      "type": "REPORT",
      "url": "https://sourceforge.net/p/prboom-plus/bugs/253/"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-20797"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-20797"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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