Vulnerability-Lookup

CNVD-2021-25684

Vulnerability from cnvd - Published: 2021-04-05

Title

GitLab拒绝服务漏洞（CNVD-2021-25684）

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 在12.6.0之后版本存在安全漏洞，该漏洞源于gitlab shell中发现了潜在的DoS，攻击者能够通过gitlab shell命令提高服务器资源利用率。

Severity

中

Patch Name

GitLab拒绝服务漏洞（CNVD-2021-25684）的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://gitlab.com/gitlab-org/gitlab

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-22177

Impacted products

Name
GitLab GitLab >12.6.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-22177",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-22177"
    }
  },
  "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 \u572812.6.0\u4e4b\u540e\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8egitlab shell\u4e2d\u53d1\u73b0\u4e86\u6f5c\u5728\u7684DoS\uff0c\u653b\u51fb\u8005\u80fd\u591f\u901a\u8fc7gitlab shell\u547d\u4ee4\u63d0\u9ad8\u670d\u52a1\u5668\u8d44\u6e90\u5229\u7528\u7387\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/gitlab-org/gitlab",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-25684",
  "openTime": "2021-04-05",
  "patchDescription": "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\r\n\r\nGitLab \u572812.6.0\u4e4b\u540e\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8egitlab shell\u4e2d\u53d1\u73b0\u4e86\u6f5c\u5728\u7684DoS\uff0c\u653b\u51fb\u8005\u80fd\u591f\u901a\u8fc7gitlab shell\u547d\u4ee4\u63d0\u9ad8\u670d\u52a1\u5668\u8d44\u6e90\u5229\u7528\u7387\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": "GitLab\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-25684\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "GitLab GitLab \u003e12.6.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-22177",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-02",
  "title": "GitLab\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-25684\uff09"
}

CVE-2021-22177 (GCVE-0-2021-22177)

Vulnerability from cvelistv5 – Published: 2021-04-01 14:19 – Updated: 2024-08-03 18:37

Summary

Potential DoS was identified in gitlab-shell in GitLab CE/EE version 12.6.0 or above, which allows an attacker to spike the server resource utilization via gitlab-shell command.

Severity

4.3 (Medium)


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

CWE

Uncontrolled resource consumption in GitLab

Assigner

GitLab mitre root

References

3 references

URL	Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/238988	x_refsource_MISC
https://hackerone.com/reports/953444	x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
GitLab	GitLab	Affected: >=12.6, <13.6.7 Affected: >=13.7, <13.7.7 Affected: >=13.8, <13.8.4

Credits

Thanks [yvvdwf](https://hackerone.com/yvvdwf?type=user) for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:37:17.998Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/238988"
          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
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            "url": "https://hackerone.com/reports/953444"
          },
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22177.json"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "GitLab",
          "vendor": "GitLab",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e=12.6, \u003c13.6.7"
            },
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              "version": "\u003e=13.7, \u003c13.7.7"
            },
            {
              "status": "affected",
              "version": "\u003e=13.8, \u003c13.8.4"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf?type=user) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Potential DoS was identified in gitlab-shell in GitLab CE/EE version 12.6.0 or above, which allows an attacker to spike the server resource utilization via gitlab-shell command."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
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      "problemTypes": [
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          "descriptions": [
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              "description": "Uncontrolled resource consumption in GitLab",
              "lang": "en",
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      ],
      "providerMetadata": {
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        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
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          "tags": [
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          ],
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        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/953444"
        },
        {
          "tags": [
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          ],
          "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22177.json"
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      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@gitlab.com",
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                      "version": {
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        },
        "credit": [
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            "lang": "eng",
            "value": "Thanks [yvvdwf](https://hackerone.com/yvvdwf?type=user) for reporting this vulnerability through our HackerOne bug bounty program"
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        "data_version": "4.0",
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            },
            {
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              "url": "https://hackerone.com/reports/953444"
            },
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    "dateReserved": "2021-01-05T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:37:17.998Z",
    "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.