Vulnerability-Lookup

CNVD-2021-26075

Vulnerability from cnvd - Published: 2021-04-09

Title

GitLab信息泄露漏洞（CNVD-2021-26075）

Description

GitLab是一个利用Ruby on Rails开发的开源应用程序，实现一个自托管的Git项目仓库，可通过Web界面进行访问公开的或者私人项目。 GitLab存在信息泄露漏洞，该漏洞源于成员资格更改未反映在ToDo订阅中，来宾用户可通过API利用该漏洞访问机密问题。

Severity

中

Formal description

厂商尚未提供漏洞修补方案，请关注厂商主页及时更新： https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-13346

Impacted products

Name
['GitLab GitLab <13.2.10', 'GitLab GitLab <13.3.7', 'GitLab GitLab <13.4.2']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-13346",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-13346"
    }
  },
  "description": "GitLab\u662f\u4e00\u4e2a\u5229\u7528Ruby on Rails\u5f00\u53d1\u7684\u5f00\u6e90\u5e94\u7528\u7a0b\u5e8f\uff0c\u5b9e\u73b0\u4e00\u4e2a\u81ea\u6258\u7ba1\u7684Git\u9879\u76ee\u4ed3\u5e93\uff0c\u53ef\u901a\u8fc7Web\u754c\u9762\u8fdb\u884c\u8bbf\u95ee\u516c\u5f00\u7684\u6216\u8005\u79c1\u4eba\u9879\u76ee\u3002\n\nGitLab\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6210\u5458\u8d44\u683c\u66f4\u6539\u672a\u53cd\u6620\u5728ToDo\u8ba2\u9605\u4e2d\uff0c\u6765\u5bbe\u7528\u6237\u53ef\u901a\u8fc7API\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u673a\u5bc6\u95ee\u9898\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u8865\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-26075",
  "openTime": "2021-04-09",
  "products": {
    "product": [
      "GitLab GitLab \u003c13.2.10",
      "GitLab GitLab \u003c13.3.7",
      "GitLab GitLab \u003c13.4.2"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-13346",
  "serverity": "\u4e2d",
  "submitTime": "2020-10-12",
  "title": "GitLab\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-26075\uff09"
}

CVE-2020-13346 (GCVE-0-2020-13346)

Vulnerability from cvelistv5 – Published: 2020-10-07 13:21 – Updated: 2024-08-04 12:18

Summary

Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to access confidential issues through API.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

Improper access control in GitLab

Assigner

GitLab mitre root

References

3 references

URL	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/219496	x_refsource_MISC
https://hackerone.com/reports/880863	x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GitLab	GitLab	Affected: >=11.2, <13.2.10 Affected: >=13.3.0, <13.3.7 Affected: >=13.4.0, <13.4.2

Credits

Thanks [vaib25vicky](https://hackerone.com/vaib25vicky) for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:18:17.541Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219496"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/880863"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GitLab",
          "vendor": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=11.2, \u003c13.2.10"
            },
            {
              "status": "affected",
              "version": "\u003e=13.3.0, \u003c13.3.7"
            },
            {
              "status": "affected",
              "version": "\u003e=13.4.0, \u003c13.4.2"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Thanks [vaib25vicky](https://hackerone.com/vaib25vicky) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to access confidential issues through API."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Improper access control in GitLab",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-07T13:21:28.000Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219496"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/880863"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@gitlab.com",
          "ID": "CVE-2020-13346",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "GitLab",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003e=11.2, \u003c13.2.10"
                          },
                          {
                            "version_value": "\u003e=13.3.0, \u003c13.3.7"
                          },
                          {
                            "version_value": "\u003e=13.4.0, \u003c13.4.2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "GitLab"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Thanks [vaib25vicky](https://hackerone.com/vaib25vicky) for reporting this vulnerability through our HackerOne bug bounty program"
          }
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        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            }
          ]
        },
        "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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                  "value": "Improper access control in GitLab"
                }
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        },
        "references": {
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              "name": "https://gitlab.com/gitlab-org/gitlab/-/issues/219496",
              "refsource": "MISC",
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/219496"
            },
            {
              "name": "https://hackerone.com/reports/880863",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/880863"
            },
            {
              "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13346.json",
              "refsource": "CONFIRM",
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            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2020-13346",
    "datePublished": "2020-10-07T13:21:28.000Z",
    "dateReserved": "2020-05-21T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:18:17.541Z",
    "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.

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CNVD-2021-26075

CVE-2020-13346 (GCVE-0-2020-13346)

Tags

Sightings

Nomenclature

Related by attack behaviour