Vulnerability-Lookup

CVE-2023-24809 (GCVE-0-2023-24809)

Vulnerability from cvelistv5 – Published: 2023-02-17 19:41 – Updated: 2025-03-10 21:09

Title

NetHack Call command buffer overflow

Summary

NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the "C" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-03-10 20:57 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/NetHack/NetHack/security/advis…	x_refsource_CONFIRM
https://nethack.org/security/CVE-2023-24809.html	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
NetHack	NetHack	Affected: >= 3.6.2, < 3.6.7	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-24809

Vulnerability from fkie_nvd - Published: 2023-02-17 20:15 - Updated: 2026-06-17 05:39

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch	Vendor Advisory
security-advisories@github.com	https://nethack.org/security/CVE-2023-24809.html	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://nethack.org/security/CVE-2023-24809.html	Vendor Advisory

Impacted products

	Vendor	Product	Version
	nethack	nethack	*

JSON

To clipboard

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        "Vendor Advisory"
      ],
      "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://nethack.org/security/CVE-2023-24809.html"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GSD-2023-24809

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-24809

Aliases

CVE-2023-24809

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-24809",
    "id": "GSD-2023-24809"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-24809"
      ],
      "details": "NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the \"C\" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.",
      "id": "GSD-2023-24809",
      "modified": "2023-12-13T01:20:57.480256Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-24809",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "NetHack",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 3.6.2, \u003c 3.6.7"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "NetHack"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the \"C\" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-120",
                "lang": "eng",
                "value": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch",
            "refsource": "MISC",
            "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch"
          },
          {
            "name": "https://nethack.org/security/CVE-2023-24809.html",
            "refsource": "MISC",
            "url": "https://nethack.org/security/CVE-2023-24809.html"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-2cqv-5w4v-mgch",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:nethack:nethack:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.6.7",
                "versionStartIncluding": "3.6.2",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security-advisories@github.com",
          "ID": "CVE-2023-24809"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the \"C\" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-120"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch"
            },
            {
              "name": "https://nethack.org/security/CVE-2023-24809.html",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://nethack.org/security/CVE-2023-24809.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-28T19:25Z",
      "publishedDate": "2023-02-17T20:15Z"
    }
  }
}

ubuntu-cve-2023-24809

Vulnerability from osv_ubuntu

Published

2023-02-17 20:15

Modified

2026-05-20 15:02

Summary

Details

Severity

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-24809	REPORT
	https://github.com/NetHack/NetHack/security/advis…	REPORT
	https://nethack.org/security/CVE-2023-24809.html	REPORT
	https://www.cve.org/CVERecord?id=CVE-2023-24809	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.4.3-15build1"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.4.3-15build1"
          },
          {
            "binary_name": "nethack-lisp",
            "binary_version": "3.4.3-15build1"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.4.3-15build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.4.3-15build1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.4.3-15",
        "3.4.3-15build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.0-4"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.0-4"
          },
          {
            "binary_name": "nethack-lisp",
            "binary_version": "3.6.0-4"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.0-4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.0-4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.0-4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.1-1"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.1-1"
          },
          {
            "binary_name": "nethack-lisp",
            "binary_version": "3.6.1-1"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.1-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.1-1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.1-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.6-2build1"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.6-2build1"
          },
          {
            "binary_name": "nethack-qt",
            "binary_version": "3.6.6-2build1"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.6-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.6-2build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.6-2build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.7-1build3"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.7-1build3"
          },
          {
            "binary_name": "nethack-qt",
            "binary_version": "3.6.7-1build3"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.7-1build3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.7-1build3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.7-1",
        "3.6.7-1build2",
        "3.6.7-1build3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.7-2"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.7-2"
          },
          {
            "binary_name": "nethack-qt",
            "binary_version": "3.6.7-2"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.7-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.7-2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.7-1build3",
        "3.6.7-2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "nethack-common",
            "binary_version": "3.6.7-2build1"
          },
          {
            "binary_name": "nethack-console",
            "binary_version": "3.6.7-2build1"
          },
          {
            "binary_name": "nethack-qt",
            "binary_version": "3.6.7-2build1"
          },
          {
            "binary_name": "nethack-x11",
            "binary_version": "3.6.7-2build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "nethack",
        "purl": "pkg:deb/ubuntu/nethack@3.6.7-2build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.7-2",
        "3.6.7-2build1"
      ]
    }
  ],
  "aliases": [],
  "details": "NetHack is a single player dungeon exploration game. Starting with version 3.6.2 and prior to version 3.6.7, illegal input to the \"C\" (call) command can cause a buffer overflow and crash the NetHack process. This vulnerability may be a security issue for systems that have NetHack installed suid/sgid and for shared systems. For all systems, it may result in a process crash. This issue is resolved in NetHack 3.6.7. There are no known workarounds.",
  "id": "UBUNTU-CVE-2023-24809",
  "modified": "2026-05-20T15:02:29Z",
  "published": "2023-02-17T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-24809"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/NetHack/NetHack/security/advisories/GHSA-2cqv-5w4v-mgch"
    },
    {
      "type": "REPORT",
      "url": "https://nethack.org/security/CVE-2023-24809.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-24809"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-24809"
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-24809 (GCVE-0-2023-24809)

FKIE_CVE-2023-24809

GSD-2023-24809

ubuntu-cve-2023-24809

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature

Related by attack behaviour