cvelist/2022/39xxx/CVE-2022-39346.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2022-39346",
        "STATE": "PUBLIC",
        "TITLE": "Missing length validation of user displayname in nextcloud server"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "security-advisories",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 22.2.10"
                                        },
                                        {
                                            "version_value": ">= 23.0.0, < 23.0.7"
                                        },
                                        {
                                            "version_value": ">= 24.0.0, < 24.0.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "nextcloud"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Nextcloud server is an open source personal cloud server. Affected versions of nextcloud server did not properly limit user display names which could allow a malicious users to overload the backing database and cause a denial of service. It is recommended that the Nextcloud Server is upgraded to 22.2.10, 23.0.7 or 24.0.3. There are no known workarounds for this issue."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400: Uncontrolled Resource Consumption"
                    }
                ]
            },
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20: Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6",
                "refsource": "CONFIRM",
                "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6"
            },
            {
                "name": "https://github.com/nextcloud/server/pull/33052",
                "refsource": "MISC",
                "url": "https://github.com/nextcloud/server/pull/33052"
            },
            {
                "name": "https://hackerone.com/reports/1588562",
                "refsource": "MISC",
                "url": "https://hackerone.com/reports/1588562"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2022-902df3b060",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2022-49b20342c0",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2022-98c1d712b5",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-6w9f-jgjx-4vj6",
        "discovery": "UNKNOWN"
    }
}