Vulnerabilites related to OpenVPN - tap-windows6
CVE-2024-1305 (GCVE-0-2024-1305)
Vulnerability from cvelistv5
Published
2024-07-08 17:27
Modified
2024-08-23 03:55
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-190 - Integer Overflow or Wraparound
Summary
tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space
References
https://community.openvpn.net/openvpn/wiki/CVE-2024-1305
https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html
Impacted products
Vendor Product Version
OpenVPN tap-windows6 Version: 9.26 or earlier
 Create a notification for this product.
   OpenVPN OpenVPN-GUI Version: 2.6.9 and earlier
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:openvpn:openvpn_gui:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "openvpn_gui",
            "vendor": "openvpn",
            "versions": [
              {
                "lessThanOrEqual": "2.6.9",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:openvpn:tap_windows6:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "tap_windows6",
            "vendor": "openvpn",
            "versions": [
              {
                "lessThanOrEqual": "9.26",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-1305",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-21T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-08-23T03:55:36.778Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T18:33:25.379Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-1305"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "tap-windows6",
          "vendor": "OpenVPN",
          "versions": [
            {
              "status": "affected",
              "version": "9.26 or earlier"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "modules": [
            "tap-windows6"
          ],
          "platforms": [
            "Windows"
          ],
          "product": "OpenVPN-GUI",
          "vendor": "OpenVPN",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.9 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "tap-windows6 driver version 9.26 and earlier does not properly \ncheck the size data of incomming write operations which an attacker can \nuse to overflow memory buffers, resulting in a bug check and potentially\n arbitrary code execution in kernel space"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-08T17:27:44.097Z",
        "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
        "shortName": "OpenVPN"
      },
      "references": [
        {
          "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-1305"
        },
        {
          "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
    "assignerShortName": "OpenVPN",
    "cveId": "CVE-2024-1305",
    "datePublished": "2024-07-08T17:27:44.097Z",
    "dateReserved": "2024-02-07T13:22:25.493Z",
    "dateUpdated": "2024-08-23T03:55:36.778Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Vulnerability from fkie_nvd
Published
2024-07-08 18:15
Modified
2025-08-22 15:36
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space
References
security@openvpn.nethttps://community.openvpn.net/openvpn/wiki/CVE-2024-1305Vendor Advisory
security@openvpn.nethttps://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.htmlRelease Notes, Mailing List
af854a3a-2127-422b-91ae-364da2661108https://community.openvpn.net/openvpn/wiki/CVE-2024-1305Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.htmlRelease Notes, Mailing List
Impacted products
Vendor Product Version
openvpn tap-windows6 *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:tap-windows6:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1361B991-0259-40EC-89A2-06B591C84F5C",
              "versionEndIncluding": "9.26.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "tap-windows6 driver version 9.26 and earlier does not properly \ncheck the size data of incomming write operations which an attacker can \nuse to overflow memory buffers, resulting in a bug check and potentially\n arbitrary code execution in kernel space"
    },
    {
      "lang": "es",
      "value": "La versi\u00f3n 9.26 y anteriores del controlador tap-windows6 no verifica correctamente los datos de tama\u00f1o de las operaciones de escritura entrantes que un atacante puede usar para desbordar los b\u00fafers de memoria, lo que resulta en una verificaci\u00f3n de errores y la ejecuci\u00f3n de c\u00f3digo potencialmente arbitrario en el espacio del kernel."
    }
  ],
  "id": "CVE-2024-1305",
  "lastModified": "2025-08-22T15:36:38.907",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-07-08T18:15:07.150",
  "references": [
    {
      "source": "security@openvpn.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-1305"
    },
    {
      "source": "security@openvpn.net",
      "tags": [
        "Release Notes",
        "Mailing List"
      ],
      "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/openvpn/wiki/CVE-2024-1305"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Mailing List"
      ],
      "url": "https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html"
    }
  ],
  "sourceIdentifier": "security@openvpn.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ],
      "source": "security@openvpn.net",
      "type": "Secondary"
    }
  ]
}