{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2024-2357",
        "assignerOrgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
        "state": "PUBLISHED",
        "assignerShortName": "libreswan",
        "dateReserved": "2024-03-09T22:24:12.530Z",
        "datePublished": "2024-03-11T19:39:03.280Z",
        "dateUpdated": "2024-08-01T19:11:53.507Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
                "shortName": "libreswan",
                "dateUpdated": "2024-03-11T19:39:03.280Z"
            },
            "title": "IKEv2 misconfiguration can cause libreswan to abort and restart",
            "datePublic": "2024-03-11T14:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "IKEv2 misconfiguration can cause libreswan to abort and restart"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "The Libreswan Project (www.libreswan.org)",
                    "product": "libreswan",
                    "versions": [
                        {
                            "version": "3.0",
                            "status": "unaffected",
                            "lessThanOrEqual": "4.1",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.2",
                            "status": "affected",
                            "lessThanOrEqual": "4.12",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.0",
                            "status": "unaffected"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "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."
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "This issue is fixed in 4.13, 5.0 and all later versions."
                }
            ],
            "workarounds": [
                {
                    "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)\"\" >> /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."
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "The vulnerability can only be triggered for connections with ikev2=yes and authby=secret"
                }
            ],
            "timeline": [
                {
                    "time": "2024-02-08T00:00:00.000Z",
                    "lang": "en",
                    "value": "Issue reported publicly via https://github.com/libreswan/libreswan/issues/1609"
                },
                {
                    "time": "2024-02-14T00:00:00.000Z",
                    "lang": "en",
                    "value": "Workaround posted in the github issue"
                },
                {
                    "time": "2024-02-15T00:00:00.000Z",
                    "lang": "en",
                    "value": "Fix published (as issue was already public via githb issue)"
                },
                {
                    "time": "2024-03-09T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advanced notice given to support customers and distributions"
                },
                {
                    "time": "2024-03-11T00:00:00.000Z",
                    "lang": "en",
                    "value": "CVE-2024-2357 published"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Andrew Vaughn",
                    "type": "finder"
                }
            ],
            "references": [
                {
                    "url": "https://libreswan.org/security/CVE-2024-2357",
                    "name": "CVE-2024-2357",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
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            ]
        },
        "adp": [
            {
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                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-2357",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-03-12T16:21:48.798359Z"
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-07-05T17:22:15.972Z"
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-01T19:11:53.507Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://libreswan.org/security/CVE-2024-2357",
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