cvelist/2024/39xxx/CVE-2024-39519.json

{
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    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-39519",
        "ASSIGNER": "sirt@juniper.net",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS Evolved on ACX7000 Series allows an unauthenticated, adjacent attacker to cause a \n\nDenial-of-Service (DoS).\n\nOn all ACX 7000 Series platforms running \n\nJunos OS Evolved, and configured with IRBs, if a Customer Edge device (CE) device is dual homed to two Provider Edge devices (PE) a traffic loop will occur when the CE sends multicast packets. This issue can be triggered by IPv4 and IPv6 traffic.\n\n\nThis issue affects Junos OS Evolved:\u00a0\n\nAll versions from 22.2R1-EVO and later versions before 22.4R2-EVO,\n\nThis issue does not affect Junos OS Evolved versions before 22.1R1-EVO."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-754 Improper Check for Unusual or Exceptional Conditions",
                        "cweId": "CWE-754"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Juniper Networks",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Junos OS Evolved",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "status": "affected",
                                                        "version": "22.1-EVO",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "lessThan": "22.1R1-EVO",
                                                        "status": "unaffected",
                                                        "version": "0",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "status": "affected",
                                                        "version": "22.2-EVO",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "status": "affected",
                                                        "version": "22.3-EVO",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "lessThan": "22.4R2-EVO",
                                                        "status": "affected",
                                                        "version": "22.4-EVO",
                                                        "versionType": "semver"
                                                    }
                                                ],
                                                "defaultStatus": "unaffected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://supportportal.juniper.net/JSA82983",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/JSA82983"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "advisory": "JSA82983",
        "defect": [
            "1691134"
        ],
        "discovery": "USER"
    },
    "configuration": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>To be potentially exposed to this issue the device must be configured as follows:</p><tt>[ routing-instances evpna instance-type evpn ]<br>[ routing-instances evpna routing-interface irb.0 ]</tt>"
                }
            ],
            "value": "To be potentially exposed to this issue the device must be configured as follows:\n\n[ routing-instances evpna instance-type evpn ]\n[ routing-instances evpna routing-interface irb.0 ]"
        }
    ],
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "There are no known workarounds for this issue."
                }
            ],
            "value": "There are no known workarounds for this issue."
        }
    ],
    "exploit": [
        {
            "lang": "eng",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.&nbsp;However, multiple occurrences of this issue have been reported in production."
                }
            ],
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\u00a0However, multiple occurrences of this issue have been reported in production."
        }
    ],
    "solution": [
        {
            "lang": "eng",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "The following software releases have been updated to resolve this specific issue: 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.<br>"
                }
            ],
            "value": "The following software releases have been updated to resolve this specific issue: 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}