{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-28974",
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "assignerShortName": "juniper",
        "dateUpdated": "2024-08-02T13:51:38.840Z",
        "dateReserved": "2023-03-29T00:00:00",
        "datePublished": "2023-04-17T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Junos OS: MX Series: In a BBE scenario upon receipt of specific malformed packets from subscribers the process bbe-smgd will crash",
            "datePublic": "2023-04-12T00:00:00",
            "providerMetadata": {
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper",
                "dateUpdated": "2023-04-17T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the bbe-smgd of Juniper Networks Junos OS allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). In a Broadband Edge / Subscriber Management scenario on MX Series when a specifically malformed ICMP packet addressed to the device is received from a subscriber the bbe-smgd will crash, affecting the subscriber sessions that are connecting, updating, or terminating. Continued receipt of such packets will lead to a sustained DoS condition. When this issue happens the below log can be seen if the traceoptions for the processes smg-service are enabled: BBE_TRACE(TRACE_LEVEL_INFO, \"%s: Dropped unsupported ICMP PKT ... This issue affects Juniper Networks Junos OS on MX Series: All versions prior to 19.4R3-S11; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S6; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S2; 22.1 versions prior to 22.1R2-S2, 22.1R3; 22.2 versions prior to 22.2R2; 22.3 versions prior to 22.3R1-S2, 22.3R2."
                }
            ],
            "affected": [
                {
                    "vendor": "Juniper Networks",
                    "product": "Junos OS",
                    "versions": [
                        {
                            "version": "unspecified",
                            "lessThan": "19.4R3-S11",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.2",
                            "status": "affected",
                            "lessThan": "20.2R3-S7",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.3",
                            "status": "affected",
                            "lessThan": "20.3R3-S6",
                            "versionType": "custom"
                        },
                        {
                            "version": "20.4",
                            "status": "affected",
                            "lessThan": "20.4R3-S6",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.1",
                            "status": "affected",
                            "lessThan": "21.1R3-S4",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.2",
                            "status": "affected",
                            "lessThan": "21.2R3-S4",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.3",
                            "status": "affected",
                            "lessThan": "21.3R3-S3",
                            "versionType": "custom"
                        },
                        {
                            "version": "21.4",
                            "status": "affected",
                            "lessThan": "21.4R3-S2",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.1",
                            "status": "affected",
                            "lessThan": "22.1R2-S2, 22.1R3",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.2",
                            "status": "affected",
                            "lessThan": "22.2R2",
                            "versionType": "custom"
                        },
                        {
                            "version": "22.3",
                            "status": "affected",
                            "lessThan": "22.3R1-S2, 22.3R2",
                            "versionType": "custom"
                        }
                    ],
                    "platforms": [
                        "MX Series"
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://supportportal.juniper.net/JSA70599"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.4,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
                            "cweId": "CWE-754"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Denial of Service (DoS)"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "advisory": "JSA70599",
                "defect": [
                    "1681389"
                ],
                "discovery": "USER"
            },
            "configurations": [
                {
                    "lang": "en",
                    "value": "To be exposed to this vulnerability subscriber management needs to be enabled via:\n\n  [system services subscriber-management enable]"
                }
            ],
            "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: 19.4R3-S11, 20.2R3-S7, 20.3R3-S6, 20.4R3-S6, 21.1R3-S4, 21.2R3-S4, 21.3R3-S3, 21.4R3-S2, 22.1R2-S2, 22.1R3, 22.2R2, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.\n"
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T13:51:38.840Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://supportportal.juniper.net/JSA70599",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}