Vulnerability-Lookup

CNVD-2021-101184

Vulnerability from cnvd - Published: 2021-12-21

Title

BookStack存在未明漏洞

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存在安全漏洞，该漏洞源于bookstack对受限目录的路径名的不当限制。攻击者可利用该漏洞获取敏感信息。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a

Reference

https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a

Impacted products

Name
Bookstackapp BookStack <21.08.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3874"
    }
  },
  "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\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8ebookstack\u5bf9\u53d7\u9650\u76ee\u5f55\u7684\u8def\u5f84\u540d\u7684\u4e0d\u5f53\u9650\u5236\u3002 \u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-101184",
  "openTime": "2021-12-21",
  "products": {
    "product": "Bookstackapp BookStack \u003c21.08.5"
  },
  "referenceLink": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a",
  "serverity": "\u4e2d",
  "submitTime": "2021-10-19",
  "title": "BookStack\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2021-3874 (GCVE-0-2021-3874)

Vulnerability from cvelistv5 – Published: 2021-10-15 13:40 – Updated: 2024-08-03 17:09

Title

Path Traversal in bookstackapp/bookstack

Summary

bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Severity

4.3 (Medium)


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

CWE

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Assigner

@huntrdev Scorecard

References

2 references

URL	Tags
https://huntr.dev/bounties/ac268a17-72b5-446f-a09…	x_refsource_CONFIRM
https://github.com/bookstackapp/bookstack/commit/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
bookstackapp	bookstackapp/bookstack	Affected: unspecified , < 21.08.5 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:09.594Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "bookstackapp/bookstack",
          "vendor": "bookstackapp",
          "versions": [
            {
              "lessThan": "21.08.5",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-22",
              "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-15T13:40:18.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"
        }
      ],
      "source": {
        "advisory": "ac268a17-72b5-446f-a09a-9945ef58607a",
        "discovery": "EXTERNAL"
      },
      "title": "Path Traversal in bookstackapp/bookstack",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3874",
          "STATE": "PUBLIC",
          "TITLE": "Path Traversal in bookstackapp/bookstack"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "bookstackapp/bookstack",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "21.08.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "bookstackapp"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "bookstack is vulnerable to Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/ac268a17-72b5-446f-a09a-9945ef58607a"
            },
            {
              "name": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a",
              "refsource": "MISC",
              "url": "https://github.com/bookstackapp/bookstack/commit/7224fbcc89f00f2b71644e36bb1b1d96addd1d5a"
            }
          ]
        },
        "source": {
          "advisory": "ac268a17-72b5-446f-a09a-9945ef58607a",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3874",
    "datePublished": "2021-10-15T13:40:18.000Z",
    "dateReserved": "2021-10-08T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:09:09.594Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CNVD-2021-101184

CVE-2021-3874 (GCVE-0-2021-3874)

Tags

Sightings

Nomenclature

Related by attack behaviour