{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-22402",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "assignerShortName": "juniper",
        "dateUpdated": "2024-08-02T10:07:06.572Z",
        "dateReserved": "2022-12-27T00:00:00",
        "datePublished": "2023-01-12T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Junos OS Evolved: The kernel might restart in a BGP scenario where \"bgp auto-discovery\" is enabled and such a neighbor flaps",
            "datePublic": "2023-01-11T00:00:00",
            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2023-01-12T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A Use After Free vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). In a Non Stop Routing (NSR) scenario, an unexpected kernel restart might be observed if \"bgp auto-discovery\" is enabled and if there is a BGP neighbor flap of auto-discovery sessions for any reason. This is a race condition which is outside of an attackers direct control and it depends on system internal timing whether this issue occurs. This issue affects Juniper Networks Junos OS Evolved: 21.3 versions prior to 21.3R3-EVO; 21.4 versions prior to 21.4R2-EVO; 22.1 versions prior to 22.1R2-EVO; 22.2 versions prior to 22.2R1-S1-EVO, 22.2R2-EVO."
                }
            ],
            "affected": [
                {
                    "vendor": "Juniper Networks",
                    "product": "Junos OS Evolved",
                    "versions": [
                        {
                            "version": "21.3",
                            "status": "affected",
                            "lessThan": "21.3R3-EVO",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.4",
                            "status": "affected",
                            "lessThan": "21.4R2-EVO",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.1",
                            "status": "affected",
                            "lessThan": "22.1R2-EVO",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.2",
                            "status": "affected",
                            "lessThan": "22.2R1-S1-EVO, 22.2R2-EVO",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://kb.juniper.net/JSA70198"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 5.9,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-416 Use After Free",
                            "cweId": "CWE-416"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Denial of Service (DoS)"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "advisory": "JSA70198",
                "defect": [
                    "1636063"
                ],
                "discovery": "USER"
            },
            "configurations": [
                {
                    "lang": "en",
                    "value": "To be exposed to this is issue non-stop routing (NSR) and BGP auto-discovery need to be configured:\n\n  [routing-options nonstop-routing]\n  [protocols bgp group <name> dynamic-neighbor <template> peer-auto-discovery]"
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There are no known workarounds for this issue."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "The following software releases have been updated to resolve this specific issue: 21.3R3-EVO, 21.4R2-EVO, 22.1R2-EVO, 22.2R1-S1-EVO, 22.2R2-EVO, 22.3R1-EVO, and all subsequent releases."
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T10:07:06.572Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://kb.juniper.net/JSA70198",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}