cvelist/2021/34xxx/CVE-2021-34598.json

{
    "CVE_data_meta": {
        "ASSIGNER": "info@cert.vde.com",
        "DATE_PUBLIC": "2021-11-10T11:00:00.000Z",
        "ID": "CVE-2021-34598",
        "STATE": "PUBLIC",
        "TITLE": "Phoenix Contact: FL MGUARD lack of memory release in remote logging functionality"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "FL MGUARD",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": ">=",
                                            "version_name": "FL MGUARD 1102 (No. 1153079)",
                                            "version_value": "1.4.0"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "FL MGUARD 1102 (No. 1153079)",
                                            "version_value": "1.5.0"
                                        },
                                        {
                                            "version_affected": ">=",
                                            "version_name": "FL MGUARD 1105 (No. 1153078)",
                                            "version_value": "1.4.0"
                                        },
                                        {
                                            "version_affected": "<=",
                                            "version_name": "FL MGUARD 1105 (No. 1153078)",
                                            "version_value": "1.5.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "PHOENIX CONTACT"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "This vulnerability was discovered by a key customer. We kindly appreciate the coordinated disclosure of this vulnerability by the finder."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 the remote logging functionality is impaired by the lack of memory release for data structures from syslog-ng when remote logging is active"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "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"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-401 Improper Release of Memory Before Removing Last Reference"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://cert.vde.com/en/advisories/VDE-2021-046/",
                "refsource": "CONFIRM",
                "url": "https://cert.vde.com/en/advisories/VDE-2021-046/"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "PHOENIX CONTACT recomments to upgrade to firmware version 1.5.1 (or any later version)."
        }
    ],
    "source": {
        "advisory": "VDE-2021-046",
        "discovery": "EXTERNAL"
    },
    "work_around": [
        {
            "lang": "eng",
            "value": "To prevent the possibility of an attack, it is recommended to deactivate remote logging."
        }
    ]
}