{ "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" } }