cvelist/2024/30xxx/CVE-2024-30378.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-30378",
        "ASSIGNER": "sirt@juniper.net",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A Use After Free vulnerability in command processing of Juniper Networks Junos OS on MX Series allows a local, authenticated attacker to cause the broadband edge service manager daemon (bbe-smgd) to crash upon execution of specific CLI commands, creating a Denial of Service (DoS) condition.\u00a0 The process crashes and restarts automatically.\n\nWhen specific CLI commands are executed, the bbe-smgd daemon attempts to write into an area of memory (mgd socket) that was already closed, causing the process to crash.\u00a0 This process manages and controls the configuration of broadband subscriber sessions and services.\u00a0 While the process is unavailable, additional subscribers will not be able to connect to the device, causing a temporary Denial of Service condition.\n\nThis issue only occurs if\u00a0Graceful Routing Engine Switchover (GRES) and Subscriber Management are enabled.\nThis issue affects Junos OS:\n\n\n  *  All versions before 20.4R3-S5, \n  *  from 21.1 before 21.1R3-S4, \n  *  from 21.2 before 21.2R3-S3, \n  *  from 21.3 before 21.3R3-S5, \n  *  from 21.4 before 21.4R3-S5, \n  *  from 22.1 before 22.1R3, \n  *  from 22.2 before 22.2R3, \n  *  from 22.3 before 22.3R2;"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-416 Use After Free",
                        "cweId": "CWE-416"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Denial of Service (DoS)"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Juniper Networks",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "20.4R3-S5"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.1",
                                            "version_value": "21.1R3-S4"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.2",
                                            "version_value": "21.2R3-S3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.3",
                                            "version_value": "21.3R3-S5"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.4",
                                            "version_value": "21.4R3-S5"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.1",
                                            "version_value": "22.1R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.2",
                                            "version_value": "22.2R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.3",
                                            "version_value": "22.3R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://supportportal.juniper.net/JSA79109",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/JSA79109"
            },
            {
                "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L",
                "refsource": "MISC",
                "name": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "advisory": "JSA79109",
        "defect": [
            "1688750"
        ],
        "discovery": "INTERNAL"
    },
    "configuration": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Subscriber Services (Broadband Edge) and GRES must be enabled to be vulnerable to this issue:<br> <br> <tt>[edit system services]<br>subscriber-management enable; <br><br> [edit chassis redundancy]<br>graceful-switchover;</tt>"
                }
            ],
            "value": "Subscriber Services (Broadband Edge) and GRES must be enabled to be vulnerable to this issue:\n \n [edit system services]\nsubscriber-management enable; \n\n [edit chassis redundancy]\ngraceful-switchover;"
        }
    ],
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators.</p>"
                }
            ],
            "value": "Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators."
        }
    ],
    "exploit": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
        }
    ],
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S5, 21.4R3-S5, 22.1R3, 22.2R3, 22.3R2, 22.4R1, and all subsequent releases.<br>"
                }
            ],
            "value": "The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S5, 21.4R3-S5, 22.1R3, 22.2R3, 22.3R2, 22.4R1, and all subsequent releases."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}