{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-21611",
        "ASSIGNER": "sirt@juniper.net",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "\nA Missing Release of Memory after Effective Lifetime vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nIn a Juniper Flow Monitoring (jflow) scenario route churn that causes BGP next hops to be updated will cause a slow memory leak and eventually a crash and restart of rpd.\n\nThread level memory utilization for the areas where the leak occurs can be checked using the below command:\n\nuser@host> show task memory detail | match so_in\nso_in6 28 32 344450 11022400 344760 11032320\nso_in 8 16 1841629 29466064 1841734 29467744\nThis issue affects:\n\nJunos OS\n\n\n\n  *  21.4 versions earlier than 21.4R3;\n  *  22.1 versions earlier than 22.1R3;\n  *  22.2 versions earlier than 22.2R3.\n\n\n\n\nJunos OS Evolved\n\n\n\n  *  21.4-EVO versions earlier than 21.4R3-EVO;\n  *  22.1-EVO versions earlier than 22.1R3-EVO;\n  *  22.2-EVO versions earlier than 22.2R3-EVO.\n\n\n\n\nThis issue does not affect:\n\nJuniper Networks Junos OS versions earlier than 21.4R1.\n\nJuniper Networks Junos OS Evolved versions earlier than 21.4R1.\n\n\n\n"
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-401 Missing Release of Memory after Effective Lifetime",
                        "cweId": "CWE-401"
                    }
                ]
            },
            {
                "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": "21.4",
                                            "version_value": "21.4R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.1",
                                            "version_value": "22.1R3"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.2",
                                            "version_value": "22.2R3"
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Junos OS Evolved",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "21.4-EVO",
                                            "version_value": "21.4R3-EVO"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.1-EVO",
                                            "version_value": "22.1R3-EVO"
                                        },
                                        {
                                            "version_affected": "<",
                                            "version_name": "22.2-EVO",
                                            "version_value": "22.2R3-EVO"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://supportportal.juniper.net/JSA75752",
                "refsource": "MISC",
                "name": "https://supportportal.juniper.net/JSA75752"
            },
            {
                "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/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:N/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-av217"
    },
    "source": {
        "advisory": "JSA75752",
        "defect": [
            "1681394"
        ],
        "discovery": "USER"
    },
    "configuration": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>This issue only happens when jflow is configured:</p><code>  [ services flow-monitoring (version-ipfix|version9) ] </code><br/>"
                }
            ],
            "value": "This issue only happens when jflow is configured:\n\n  [ services flow-monitoring (version-ipfix|version9) ] \n"
        }
    ],
    "work_around": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>Although not a workaround, it is advised to monitor the memory utilization proactively and when it reaches 85% of total RE memory, restart rpd or reboot the system.</p>"
                }
            ],
            "value": "Although not a workaround, it is advised to monitor the memory utilization proactively and when it reaches 85% of total RE memory, restart rpd or reboot the system.\n\n"
        }
    ],
    "exploit": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"
                }
            ],
            "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"
        }
    ],
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "<p>The following software releases have been updated to resolve this specific issue:</p><p>Junos OS: 21.4R3, 22.1R3, 22.2R3, 22.3R1, and all subsequent releases.</p><p>Junos OS Evolved: 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-EVO, and all subsequent releases.</p>"
                }
            ],
            "value": "The following software releases have been updated to resolve this specific issue:\n\nJunos OS: 21.4R3, 22.1R3, 22.2R3, 22.3R1, and all subsequent releases.\n\nJunos OS Evolved: 21.4R3-EVO, 22.1R3-EVO, 22.2R3-EVO, 22.3R1-EVO, and all subsequent releases.\n\n"
        }
    ],
    "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"
            }
        ]
    }
}