GSD-2023-37266

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit `705bf1f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can't, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.
Aliases
Aliases
CVE-2023-37266
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{
  "GSD": {
    "alias": "CVE-2023-37266",
    "id": "GSD-2023-37266"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-37266"
      ],
      "details": "CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit `705bf1f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can\u0027t, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.",
      "id": "GSD-2023-37266",
      "modified": "2023-12-13T01:20:24.194062Z",
      "schema_version": "1.4.0"
    }
  },
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            {
              "product": {
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                    "product_name": "CasaOS",
                    "version": {
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                          "version_affected": "=",
                          "version_value": "\u003c 0.4.4"
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            "value": "CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit `705bf1f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can\u0027t, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/IceWhaleTech/CasaOS/security/advisories/GHSA-m5q5-8mfw-p2hr",
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      "source": {
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        "discovery": "UNKNOWN"
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    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003cv0.4.4",
          "affected_versions": "All versions before 0.4.4",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-78",
            "CWE-937"
          ],
          "date": "2023-07-19",
          "description": "CasaOS is an open-source Personal Cloud system. Unauthenticated attackers can craft arbitrary JWTs and access features that usually require authentication and execute arbitrary commands as `root` on CasaOS instances. This problem was addressed by improving the validation of JWTs in commit `705bf1f`. This patch is part of CasaOS 0.4.4. Users should upgrade to CasaOS 0.4.4. If they can\u0027t, they should temporarily restrict access to CasaOS to untrusted users, for instance by not exposing it publicly.",
          "fixed_versions": [
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          "identifier": "CVE-2023-37266",
          "identifiers": [
            "GHSA-m5q5-8mfw-p2hr",
            "CVE-2023-37266"
          ],
          "not_impacted": "All versions starting from 0.4.4",
          "package_slug": "go/github.com/IceWhaleTech/CasaOS",
          "pubdate": "2023-07-17",
          "solution": "Upgrade to version 0.4.4 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://github.com/IceWhaleTech/CasaOS/security/advisories/GHSA-m5q5-8mfw-p2hr",
            "https://github.com/IceWhaleTech/CasaOS/commit/705bf1facbffd2ca40b159b0303132b6fdf657ad",
            "https://nvd.nist.gov/vuln/detail/CVE-2023-37266",
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          "uuid": "1760f8be-2126-4f99-97d0-b232885c869c",
          "versions": [
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                "sha": "9d6381d7ac91d51839814a9b350f8782c3042bc3",
                "tags": [
                  "v0.4.4"
                ],
                "timestamp": "20230712065713"
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              "number": "v0.4.4"
            }
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        "nodes": [
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            "children": [],
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                "cpe23Uri": "cpe:2.3:o:icewhale:casaos:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.4.4",
                "vulnerable": true
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            }
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              "name": "https://github.com/IceWhaleTech/CasaOS/security/advisories/GHSA-m5q5-8mfw-p2hr",
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              "url": "https://github.com/IceWhaleTech/CasaOS/commit/705bf1facbffd2ca40b159b0303132b6fdf657ad"
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-07-31T13:05Z",
      "publishedDate": "2023-07-17T21:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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