GSD-2021-41166

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.
Aliases
Aliases
CVE-2021-41166
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{
  "GSD": {
    "alias": "CVE-2021-41166",
    "description": "The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.",
    "id": "GSD-2021-41166"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-41166"
      ],
      "details": "The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.",
      "id": "GSD-2021-41166",
      "modified": "2023-12-13T01:23:27.336513Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-41166",
        "STATE": "PUBLIC",
        "TITLE": "Permission bypass in Nextcloud Android App"
      },
      "affects": {
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          }
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      },
      "impact": {
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
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      "problemtype": {
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            "description": [
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                "value": "CWE-276: Incorrect Default Permissions"
              }
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          }
        ]
      },
      "references": {
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          {
            "name": "https://hackerone.com/reports/1358597",
            "refsource": "MISC",
            "url": "https://hackerone.com/reports/1358597"
          },
          {
            "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4",
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          },
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        "advisory": "GHSA-wrwg-jwpg-r3c4",
        "discovery": "UNKNOWN"
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    },
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                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:android:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.17.1",
                "vulnerable": true
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            },
            {
              "name": "https://hackerone.com/reports/1358597",
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              "tags": [
                "Permissions Required"
              ],
              "url": "https://hackerone.com/reports/1358597"
            },
            {
              "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-02-02T19:29Z",
      "publishedDate": "2022-01-26T23:15Z"
    }
  }
}


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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.



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