Vulnerability-Lookup

CNVD-2021-91181

Vulnerability from cnvd - Published: 2021-11-25

Title

GitLab授权问题漏洞（CNVD-2021-91181）

Description

GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab CE/EE存在授权问题漏洞，在项目中具有访客成员资格的攻击者可利用该漏洞修改事件的严重性。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.auscert.org.au/bulletins/

Reference

https://www.auscert.org.au/bulletins/ESB-2021.3608

Impacted products

Name
GitLab GitLab CE/EE >=13.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-39902"
    }
  },
  "description": "GitLab\u662f\u7f8e\u56fdGitLab\u516c\u53f8\u7684\u4e00\u6b3e\u4f7f\u7528Ruby on Rails\u5f00\u53d1\u7684\u3001\u81ea\u6258\u7ba1\u7684\u3001Git\uff08\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff09\u9879\u76ee\u4ed3\u5e93\u5e94\u7528\u7a0b\u5e8f\u3002\u8be5\u7a0b\u5e8f\u53ef\u7528\u4e8e\u67e5\u9605\u9879\u76ee\u7684\u6587\u4ef6\u5185\u5bb9\u3001\u63d0\u4ea4\u5386\u53f2\u3001Bug\u5217\u8868\u7b49\u3002\n\nGitLab CE/EE\u5b58\u5728\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff0c\u5728\u9879\u76ee\u4e2d\u5177\u6709\u8bbf\u5ba2\u6210\u5458\u8d44\u683c\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4fee\u6539\u4e8b\u4ef6\u7684\u4e25\u91cd\u6027\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.auscert.org.au/bulletins/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-91181",
  "openTime": "2021-11-25",
  "products": {
    "product": "GitLab GitLab CE/EE \u003e=13.4"
  },
  "referenceLink": "https://www.auscert.org.au/bulletins/ESB-2021.3608",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-01",
  "title": "GitLab\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\uff08CNVD-2021-91181\uff09"
}

CVE-2021-39902 (GCVE-0-2021-39902)

Vulnerability from cvelistv5 – Published: 2021-11-04 22:40 – Updated: 2024-08-04 02:20

Summary

Incorrect Authorization in GitLab CE/EE 13.4 or above allows a user with guest membership in a project to modify the severity of an incident.

Severity

4.3 (Medium)


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

CWE

Incorrect authorization in GitLab

Assigner

GitLab mitre root

References

3 references

URL	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/341479	x_refsource_MISC
https://hackerone.com/reports/1341674	x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GitLab	GitLab	Affected: >=13.4, <14.2.6 Affected: >=14.3, <14.3.4 Affected: >=14.4, <14.4.1

Credits

Thanks @cradlr for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T02:20:33.778Z",
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            "url": "https://hackerone.com/reports/1341674"
          },
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            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39902.json"
          }
        ],
        "title": "CVE Program Container"
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          "product": "GitLab",
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              "status": "affected",
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        },
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            },
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            },
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    "state": "PUBLISHED"
  },
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  "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.