gsd-2023-46849
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.
Aliases
Aliases
CVE-2023-46849


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-46849",
    "id": "GSD-2023-46849"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-46849"
      ],
      "details": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.",
      "id": "GSD-2023-46849",
      "modified": "2023-12-13T01:20:53.191143Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@openvpn.net",
        "ID": "CVE-2023-46849",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "OpenVPN 2 (Community)",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "2.6.0",
                          "version_value": "2.6.6"
                        }
                      ]
                    }
                  },
                  {
                    "product_name": "Access Server",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c=",
                          "version_name": "2.11.0",
                          "version_value": "2.11.3"
                        },
                        {
                          "version_affected": "\u003c=",
                          "version_name": "2.12.0",
                          "version_value": "2.12.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "OpenVPN"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-369",
                "lang": "eng",
                "value": "CWE-369 Divide By Zero"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849",
            "refsource": "MISC",
            "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"
          },
          {
            "name": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/",
            "refsource": "MISC",
            "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"
          },
          {
            "name": "https://www.debian.org/security/2023/dsa-5555",
            "refsource": "MISC",
            "url": "https://www.debian.org/security/2023/dsa-5555"
          },
          {
            "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/",
            "refsource": "MISC",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"
          },
          {
            "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/",
            "refsource": "MISC",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.6.6",
                "versionStartIncluding": "2.6.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "2.11.3",
                "versionStartIncluding": "2.11.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@openvpn.net",
          "ID": "CVE-2023-46849"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-369"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849",
              "refsource": "",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"
            },
            {
              "name": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/",
              "refsource": "",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"
            },
            {
              "name": "https://www.debian.org/security/2023/dsa-5555",
              "refsource": "",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://www.debian.org/security/2023/dsa-5555"
            },
            {
              "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/",
              "refsource": "",
              "tags": [
                "Mailing List"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"
            },
            {
              "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/",
              "refsource": "",
              "tags": [],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-11-29T03:15Z",
      "publishedDate": "2023-11-11T01:15Z"
    }
  }
}


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