CVE-2022-39346 (GCVE-0-2022-39346)

Vulnerability from cvelistv5 – Published: 2022-11-25 00:00 – Updated: 2025-04-23 16:34
VLAI
Title
Missing length validation of user displayname in nextcloud server
Summary
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.
Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:53 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-20 - Improper Input Validation
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7761 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nextcloud security-advisories Affected: < 22.2.10
Affected: >= 23.0.0, < 23.0.7
Affected: >= 24.0.0, < 24.0.3
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                "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"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-400",
                  "description": "CWE-400: Uncontrolled Resource Consumption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-20",
                  "description": "CWE-20: Improper Input Validation",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-12-09T00:00:00.000Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6"
            },
            {
              "url": "https://github.com/nextcloud/server/pull/33052"
            },
            {
              "url": "https://hackerone.com/reports/1588562"
            },
            {
              "name": "FEDORA-2022-902df3b060",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/"
            },
            {
              "name": "FEDORA-2022-49b20342c0",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/"
            },
            {
              "name": "FEDORA-2022-98c1d712b5",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/"
            }
          ],
          "source": {
            "advisory": "GHSA-6w9f-jgjx-4vj6",
            "discovery": "UNKNOWN"
          },
          "title": "Missing length validation of user displayname in nextcloud server"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2022-39346",
        "datePublished": "2022-11-25T00:00:00.000Z",
        "dateReserved": "2022-09-02T00:00:00.000Z",
        "dateUpdated": "2025-04-23T16:34:56.234Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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