{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-39529",
        "ASSIGNER": "sirt@juniper.net",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A Use of Externally-Controlled Format String vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a\u00a0Denial-of-Service (DoS).\n\n\n\nIf DNS Domain Generation Algorithm (DGA) detection or tunnel detection, and DNS-filtering traceoptions are configured, and specific valid transit DNS traffic is received this causes\u00a0a PFE crash and restart, leading to a Denial of Service.\n\nThis issue affects Junos OS: \n  *  All versions before 21.4R3-S6,\n  *  22.2 versions before 22.2R3-S3,\n  *  22.3 versions before 22.3R3-S3,\n  *  22.4 versions before 22.4R3,\n  *  23.2 versions before 23.2R2."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-134 Use of Externally-Controlled Format String",
                        "cweId": "CWE-134"
                    }
                ]
            }
        ]
    },
    "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": "21.4R3-S6"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.2",
                                            "version_value": "22.2R3-S3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.3",
                                            "version_value": "22.3R3-S3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.4",
                                            "version_value": "22.4R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "23.2",
                                            "version_value": "23.2R2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://supportportal.juniper.net/JSA82988",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/JSA82988"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "advisory": "JSA82988",
        "defect": [
            "1755484"
        ],
        "discovery": "USER"
    },
    "configuration": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "To be exposed to this issue at least one of DGA or tunnel detection needs to be configured:<br><br><tt>[ services security-metadata-streaming policy &lt;name&gt; dns detections dga ]<br>\n\n[ services security-metadata-streaming policy &lt;name&gt; dns detections tunneling ]</tt>\n\n<br><br>and DNS traceoptions have to be configured:<br><br><tt>[ services dns-filtering traceoptions ... ]</tt>"
                }
            ],
            "value": "To be exposed to this issue at least one of DGA or tunnel detection needs to be configured:\n\n[ services security-metadata-streaming policy <name> dns detections dga ]\n\n\n[ services security-metadata-streaming policy <name> dns detections tunneling ]\n\n\n\nand DNS traceoptions have to be configured:\n\n[ services dns-filtering traceoptions ... ]"
        }
    ],
    "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": "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: 21.4R3-S6, 22.2R3-S3, 22.3R3-S3, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases."
                }
            ],
            "value": "The following software releases have been updated to resolve this specific issue: 21.4R3-S6, 22.2R3-S3, 22.3R3-S3, 22.4R3, 23.2R2, 23.4R1, and all subsequent releases."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}