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

Vulnerability from cvelistv5 – Published: 2022-11-25 00:00 – Updated: 2025-04-23 16:34
VLAI?
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
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version
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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    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"Missing length validation of user displayname in nextcloud server\", \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2022-12-09T00:00:00.000Z\"}, \"descriptions\": [{\"lang\": \"en\", \"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.\"}], \"affected\": [{\"vendor\": \"nextcloud\", \"product\": \"security-advisories\", \"versions\": [{\"version\": \"\u003c 22.2.10\", \"status\": \"affected\"}, {\"version\": \"\u003e= 23.0.0, \u003c 23.0.7\", \"status\": \"affected\"}, {\"version\": \"\u003e= 24.0.0, \u003c 24.0.3\", \"status\": \"affected\"}]}], \"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/\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"LOW\", \"baseScore\": 3.5, \"baseSeverity\": \"LOW\"}}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-400: Uncontrolled Resource Consumption\", \"cweId\": \"CWE-400\"}]}, {\"descriptions\": [{\"type\": \"CWE\", \"lang\": \"en\", \"description\": \"CWE-20: Improper Input Validation\", \"cweId\": \"CWE-20\"}]}], \"source\": {\"advisory\": \"GHSA-6w9f-jgjx-4vj6\", \"discovery\": \"UNKNOWN\"}}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T12:00:44.115Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6w9f-jgjx-4vj6\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/nextcloud/server/pull/33052\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://hackerone.com/reports/1588562\", \"tags\": [\"x_transferred\"]}, {\"name\": \"FEDORA-2022-902df3b060\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TARDPRPBTI5TJRBYRVVQGTL6KWRCV5/\"}, {\"name\": \"FEDORA-2022-49b20342c0\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRAER4DCCHHSUDFHQ6LTIH4JEJFF73IU/\"}, {\"name\": \"FEDORA-2022-98c1d712b5\", \"tags\": [\"vendor-advisory\", \"x_transferred\"], \"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R32L3P53AQKQQC652LA5U3AWFTZKPDK3/\"}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-39346\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-23T13:53:52.522621Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-23T13:53:53.977Z\"}}]}",
      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2022-39346\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"assignerShortName\": \"GitHub_M\", \"dateUpdated\": \"2025-04-23T16:34:56.234Z\", \"dateReserved\": \"2022-09-02T00:00:00.000Z\", \"datePublished\": \"2022-11-25T00:00:00.000Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.