GSD-2021-46398

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A Cross-Site Request Forgery vulnerability exists in Filebrowser < 2.18.0 that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.
Aliases
Aliases
CVE-2021-46398
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-46398",
    "description": "A Cross-Site Request Forgery (CSRF) vulnerability exists in Filebrowser \u003c 2.18.0 that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim.",
    "id": "GSD-2021-46398",
    "references": [
      "https://packetstormsecurity.com/files/cve/CVE-2021-46398"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-46398"
      ],
      "details": "A Cross-Site Request Forgery vulnerability exists in Filebrowser \u003c 2.18.0 that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.",
      "id": "GSD-2021-46398",
      "modified": "2023-12-13T01:23:32.136930Z",
      "schema_version": "1.4.0"
    }
  },
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          {
            "name": "https://github.com/filebrowser/filebrowser/commit/74b7cd8e81840537a8206317344f118093153e8d",
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          },
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          }
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    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003cv2.18.0",
          "affected_versions": "All versions before 2.18.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "cwe_ids": [
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            "CWE-352",
            "CWE-352",
            "CWE-937"
          ],
          "date": "2022-02-11",
          "description": "A Cross-Site Request Forgery vulnerability exists in Filebrowser that allows attackers to create a backdoor user with admin privilege and get access to the filesystem via a malicious HTML webpage that is sent to the victim. An admin can run commands using the FileBrowser and hence it leads to RCE.",
          "fixed_versions": [
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          ],
          "not_impacted": "All versions starting from 2.18.0",
          "package_slug": "go/github.com/filebrowser/filebrowser",
          "pubdate": "2022-02-05",
          "solution": "Upgrade to version 2.18.0 or above.",
          "title": "Cross-Site Request Forgery (CSRF)",
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          "package_slug": "go/github.com/filebrowser/filebrowser/v2",
          "pubdate": "2022-02-05",
          "solution": "Upgrade to version 2.18.0 or above.",
          "title": "Cross-Site Request Forgery (CSRF)",
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            "https://febin0x4e4a.wordpress.com/2022/01/19/critical-csrf-in-filebrowser/",
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            "https://github.com/filebrowser/filebrowser/issues/1621",
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-03-04T16:39Z",
      "publishedDate": "2022-02-04T16:15Z"
    }
  }
}


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Sightings

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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.