CVE-2023-28834 (GCVE-0-2023-28834)

Vulnerability from cvelistv5 – Published: 2023-04-03 16:19 – Updated: 2025-02-11 14:37
VLAI
Title
Full path of data directory exposed to Nextcloud server users
Summary
Nextcloud Server is an open source personal cloud server. Nextcloud Server 24.0.0 until 24.0.6 and 25.0.0 until 25.0.4, as well as Nextcloud Enterprise Server 23.0.0 until 23.0.11, 24.0.0 until 24.0.6, and 25.0.0 until 25.0.4, have an information disclosure vulnerability. A user was able to get the full data directory path of the Nextcloud server from an API endpoint. By itself this information is not problematic as it can also be guessed for most common setups, but it could speed up other unknown attacks in the future if the information is known. Nextcloud Server 24.0.6 and 25.0.4 and Nextcloud Enterprise Server 23.0.11, 24.0.6, and 25.0.4 contain patches for this issue. There are no known workarounds.
Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-11 14:37 UTC
CWE
  • CWE-212 - Improper Removal of Sensitive Information Before Storage or Transfer
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7602 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
nextcloud security-advisories Affected: >= 23.0.0, < 23.0.14
Affected: >= 24.0.0, < 24.0.10
Affected: >= 25.0.0, < 25.0.4
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      "cve": "CVE-2023-28834",
      "id": "CVE-2023-28834",
      "initial_release_date": "2023-04-05T01:49:05Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-28834",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-28834.json",
      "version": "5"
    },
    "vulnrichment": {
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              "dateUpdated": "2024-08-02T13:51:38.323Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "references": [
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                "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5w64-6c42-rgcv",
                "tags": [
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                ],
                "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5w64-6c42-rgcv"
              },
              {
                "name": "https://github.com/nextcloud/server/issues/33883",
                "tags": [
                  "x_refsource_MISC",
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                ],
                "url": "https://github.com/nextcloud/server/issues/33883"
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              {
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                  "x_refsource_MISC",
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                ],
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              {
                "name": "https://hackerone.com/reports/1690510",
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://hackerone.com/reports/1690510"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-28834",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
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                        "Technical Impact": "partial"
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                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-11T14:37:22.638995Z",
                    "version": "2.0.3"
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              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
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            "title": "CISA ADP Vulnrichment"
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        "cna": {
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            {
              "product": "security-advisories",
              "vendor": "nextcloud",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003e= 23.0.0, \u003c 23.0.14"
                },
                {
                  "status": "affected",
                  "version": "\u003e= 24.0.0, \u003c 24.0.10"
                },
                {
                  "status": "affected",
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            {
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                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.5,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-212",
                  "description": "CWE-212: Improper Removal of Sensitive Information Before Storage or Transfer",
                  "lang": "en",
                  "type": "CWE"
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          ],
          "providerMetadata": {
            "dateUpdated": "2023-04-03T16:19:48.382Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
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              ],
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            },
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              "name": "https://github.com/nextcloud/server/issues/33883",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nextcloud/server/issues/33883"
            },
            {
              "name": "https://github.com/nextcloud/server/pull/36094",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/nextcloud/server/pull/36094"
            },
            {
              "name": "https://hackerone.com/reports/1690510",
              "tags": [
                "x_refsource_MISC"
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              "url": "https://hackerone.com/reports/1690510"
            }
          ],
          "source": {
            "advisory": "GHSA-5w64-6c42-rgcv",
            "discovery": "UNKNOWN"
          },
          "title": "Full path of data directory exposed to Nextcloud server users"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-28834",
        "datePublished": "2023-04-03T16:19:48.382Z",
        "dateReserved": "2023-03-24T16:25:34.465Z",
        "dateUpdated": "2025-02-11T14:37:26.754Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.