{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-2357"
      ],
      "details": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.",
      "id": "GSD-2024-2357",
      "modified": "2024-04-02T05:02:53.319464Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@libreswan.org",
        "ID": "CVE-2024-2357",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "libreswan",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "unaffected",
                            "versions": [
                              {
                                "lessThanOrEqual": "4.1",
                                "status": "unaffected",
                                "version": "3.0",
                                "versionType": "semver"
                              },
                              {
                                "lessThanOrEqual": "4.12",
                                "status": "affected",
                                "version": "4.2",
                                "versionType": "semver"
                              },
                              {
                                "status": "unaffected",
                                "version": "5.0"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "The Libreswan Project (www.libreswan.org)"
            }
          ]
        }
      },
      "configuration": [
        {
          "lang": "en",
          "value": "The vulnerability can only be triggered for connections with ikev2=yes and authby=secret"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Andrew Vaughn"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "IKEv2 misconfiguration can cause libreswan to abort and restart"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://libreswan.org/security/CVE-2024-2357",
            "refsource": "MISC",
            "url": "https://libreswan.org/security/CVE-2024-2357"
          },
          {
            "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/",
            "refsource": "MISC",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
          },
          {
            "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/",
            "refsource": "MISC",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/"
          },
          {
            "name": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/",
            "refsource": "MISC",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/"
          }
        ]
      },
      "solution": [
        {
          "lang": "en",
          "value": "This issue is fixed in 4.13, 5.0 and all later versions."
        }
      ],
      "work_around": [
        {
          "lang": "en",
          "value": "As a workaround, one can place an unguessable long random default secret in /etc/ipsec.secrets, for example using the following command:\n\n echo -e \"# CVE-2024-2357 workaround\n: PSK \"$(openssl rand -hex 32)\"\" \u003e\u003e /etc/ipsec.secrets\n\nThis will ensure a PSK secret is always found, but it will always be wrong, and thus authentication will still properly fail."
        }
      ]
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service."
          },
          {
            "lang": "es",
            "value": "Se notific\u00f3 a Libreswan Project sobre un problema que causaba que libreswan se reiniciara en algunos escenarios de retransmisi\u00f3n de IKEv2 cuando una conexi\u00f3n est\u00e1 configurada para usar PreSharedKeys (authby=secret) y la conexi\u00f3n no puede encontrar un secreto configurado coincidente. Cuando dicha conexi\u00f3n se agrega autom\u00e1ticamente al inicio usando la palabra clave auto=, puede causar fallas repetidas que conducen a una denegaci\u00f3n de servicio."
          }
        ],
        "id": "CVE-2024-2357",
        "lastModified": "2024-03-23T03:15:12.690",
        "metrics": {},
        "published": "2024-03-11T20:15:07.867",
        "references": [
          {
            "source": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
            "url": "https://libreswan.org/security/CVE-2024-2357"
          },
          {
            "source": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
          },
          {
            "source": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/"
          },
          {
            "source": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/"
          }
        ],
        "sourceIdentifier": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}