cnvd - cnvd-2021-95601

CNVD-2021-95601

Vulnerability from cnvd - Published: 2021-12-09

Title

BookStack访问控制错误漏洞

Description

BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstackapp存在访问控制错误漏洞，该漏洞源于具有API访问权限的用户可以查看他们没有读取权限的任何附件。攻击者可利用该漏洞获取敏感信息。

Severity

中

Patch Name

BookStack访问控制错误漏洞的补丁

Patch Description

BookStack是BookStackApp（Bookstackapp）团队的一套开源的使用PHP和Laravel构建wiki文档的平台。 bookstackapp存在访问控制错误漏洞，该漏洞源于具有API访问权限的用户可以查看他们没有读取权限的任何附件。攻击者可利用该漏洞获取敏感信息。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d

Reference

https://github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92

Impacted products

Name
Bookstackapp BookStack <21.11.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4026"
    }
  },
  "description": "BookStack\u662fBookStackApp\uff08Bookstackapp\uff09\u56e2\u961f\u7684\u4e00\u5957\u5f00\u6e90\u7684\u4f7f\u7528PHP\u548cLaravel\u6784\u5efawiki\u6587\u6863\u7684\u5e73\u53f0\u3002\n\nbookstackapp\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5177\u6709API\u8bbf\u95ee\u6743\u9650\u7684\u7528\u6237\u53ef\u4ee5\u67e5\u770b\u4ed6\u4eec\u6ca1\u6709\u8bfb\u53d6\u6743\u9650\u7684\u4efb\u4f55\u9644\u4ef6\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-95601",
  "openTime": "2021-12-09",
  "patchDescription": "BookStack\u662fBookStackApp\uff08Bookstackapp\uff09\u56e2\u961f\u7684\u4e00\u5957\u5f00\u6e90\u7684\u4f7f\u7528PHP\u548cLaravel\u6784\u5efawiki\u6587\u6863\u7684\u5e73\u53f0\u3002\r\n\r\nbookstackapp\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5177\u6709API\u8bbf\u95ee\u6743\u9650\u7684\u7528\u6237\u53ef\u4ee5\u67e5\u770b\u4ed6\u4eec\u6ca1\u6709\u8bfb\u53d6\u6743\u9650\u7684\u4efb\u4f55\u9644\u4ef6\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "BookStack\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Bookstackapp BookStack \u003c21.11.2"
  },
  "referenceLink": "https://github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-02",
  "title": "BookStack\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-4026 (GCVE-0-2021-4026)

Vulnerability from cvelistv5 – Published: 2021-11-30 19:55 – Updated: 2024-08-03 17:16

Summary

bookstack is vulnerable to Improper Access Control

Severity ?

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-284 - Improper Access Control

Assigner

@huntrdev

References

URL

Tags

	https://huntr.dev/bounties/c6dfa80d-43e6-4b49-95a…	x_refsource_CONFIRM
	https://github.com/bookstackapp/bookstack/commit/…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	bookstackapp	bookstackapp/bookstack	Affected: unspecified , < 21.11.2 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:03.288Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "bookstackapp/bookstack",
          "vendor": "bookstackapp",
          "versions": [
            {
              "lessThan": "21.11.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
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          "value": "bookstack is vulnerable to Improper Access Control"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.0"
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      ],
      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
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            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-30T19:55:10",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/c6dfa80d-43e6-4b49-95af-cc031bb66b1d"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/bookstackapp/bookstack/commit/b4fa82e3298a15443ca40bff205b7a16a1031d92"
        }
      ],
      "source": {
        "advisory": "c6dfa80d-43e6-4b49-95af-cc031bb66b1d",
        "discovery": "EXTERNAL"
      },
      "title": "Improper Access Control in bookstackapp/bookstack",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-4026",
          "STATE": "PUBLIC",
          "TITLE": "Improper Access Control in bookstackapp/bookstack"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "bookstackapp/bookstack",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "21.11.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "bookstackapp"
              }
            ]
          }
        },
        "data_format": "MITRE",
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        "data_version": "4.0",
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            "attackComplexity": "LOW",
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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        },
        "problemtype": {
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            },
            {
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              "refsource": "MISC",
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    "datePublished": "2021-11-30T19:55:10",
    "dateReserved": "2021-11-28T00:00:00",
    "dateUpdated": "2024-08-03T17:16:03.288Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Action not permitted

CNVD-2021-95601

CVE-2021-4026 (GCVE-0-2021-4026)

Tags

Sightings

Nomenclature