Vulnerability-Lookup

CNVD-2021-89160

Vulnerability from cnvd - Published: 2021-11-19

Title

ShowDoc跨站请求伪造漏洞

Description

ShowDoc是开源的一个非常适合IT团队在线共享文档的工具。 ShowDoc存在跨站请求伪造漏洞，该漏洞源于软件中的UserController.class.php中的设置的cookie缺少有效的过滤与限制，攻击者可利用该漏洞造成跨站请求伪造。

Severity

中

Patch Name

ShowDoc跨站请求伪造漏洞的补丁

Patch Description

ShowDoc是开源的一个非常适合IT团队在线共享文档的工具。 ShowDoc存在跨站请求伪造漏洞，该漏洞源于软件中的UserController.class.php中的设置的cookie缺少有效的过滤与限制，攻击者可利用该漏洞造成跨站请求伪造。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://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351

Reference

https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304

Impacted products

Name
ShowDoc ShowDoc <=2.9.12

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3776"
    }
  },
  "description": "ShowDoc\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u975e\u5e38\u9002\u5408IT\u56e2\u961f\u5728\u7ebf\u5171\u4eab\u6587\u6863\u7684\u5de5\u5177\u3002\n\nShowDoc\u5b58\u5728\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u4e2d\u7684UserController.class.php\u4e2d\u7684\u8bbe\u7f6e\u7684cookie\u7f3a\u5c11\u6709\u6548\u7684\u8fc7\u6ee4\u4e0e\u9650\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\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://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-89160",
  "openTime": "2021-11-19",
  "patchDescription": "ShowDoc\u662f\u5f00\u6e90\u7684\u4e00\u4e2a\u975e\u5e38\u9002\u5408IT\u56e2\u961f\u5728\u7ebf\u5171\u4eab\u6587\u6863\u7684\u5de5\u5177\u3002\r\n\r\nShowDoc\u5b58\u5728\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8f6f\u4ef6\u4e2d\u7684UserController.class.php\u4e2d\u7684\u8bbe\u7f6e\u7684cookie\u7f3a\u5c11\u6709\u6548\u7684\u8fc7\u6ee4\u4e0e\u9650\u5236\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\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": "ShowDoc\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "ShowDoc ShowDoc \u003c=2.9.12"
  },
  "referenceLink": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-16",
  "title": "ShowDoc\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\u6f0f\u6d1e"
}

CVE-2021-3776 (GCVE-0-2021-3776)

Vulnerability from cvelistv5 – Published: 2021-11-13 09:20 – Updated: 2024-08-03 17:09

Title

Cross-Site Request Forgery (CSRF) in star7th/showdoc

Summary

showdoc is vulnerable to Cross-Site Request Forgery (CSRF)

Severity

4.3 (Medium)


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

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/e0edf27d-437e-44fe-907…	x_refsource_CONFIRM
https://github.com/star7th/showdoc/commit/67093c8…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
star7th	star7th/showdoc	Affected: unspecified , ≤ 2.9.12 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:08.884Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "star7th/showdoc",
          "vendor": "star7th",
          "versions": [
            {
              "lessThanOrEqual": "2.9.12",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "showdoc is vulnerable to Cross-Site Request Forgery (CSRF)"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-352",
              "description": "CWE-352 Cross-Site Request Forgery (CSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-11-13T09:20:10.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351"
        }
      ],
      "source": {
        "advisory": "e0edf27d-437e-44fe-907a-df020f385304",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-Site Request Forgery (CSRF) in star7th/showdoc",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3776",
          "STATE": "PUBLIC",
          "TITLE": "Cross-Site Request Forgery (CSRF) in star7th/showdoc"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "star7th/showdoc",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_value": "2.9.12"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "star7th"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "showdoc is vulnerable to Cross-Site Request Forgery (CSRF)"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-352 Cross-Site Request Forgery (CSRF)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304"
            },
            {
              "name": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351",
              "refsource": "MISC",
              "url": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351"
            }
          ]
        },
        "source": {
          "advisory": "e0edf27d-437e-44fe-907a-df020f385304",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3776",
    "datePublished": "2021-11-13T09:20:10.000Z",
    "dateReserved": "2021-09-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:09:08.884Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

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CNVD-2021-89160

CVE-2021-3776 (GCVE-0-2021-3776)

Tags

Sightings

Nomenclature

Related by attack behaviour