CVE-2021-22236
Quick assessment
Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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 存在输入验证错误漏洞，该漏洞源于 OAuth 客户端 ID 处理不当，新订阅会在不正确的 OAuth 客户端应用程序上生成 OAuth 令牌。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access Token
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I. Basic Information for CVE-2021-22236
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Due to improper handling of OAuth client IDs, new subscriptions generated OAuth tokens on an incorrect OAuth client application. This vulnerability is present in GitLab CE/EE since version 14.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability 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 存在输入验证错误漏洞，该漏洞源于 OAuth 客户端 ID 处理不当，新订阅会在不正确的 OAuth 客户端应用程序上生成 OAuth 令牌。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-22236
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-22236 (2)
-
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22236.json x_refsource_CONFIRM
-
https://gitlab.com/gitlab-org/gitlab/-/issues/334925 x_refsource_MISC
Same Patch Batch · GitLab · 2021-08-25 · 9 CVEs total
| CVE-2021-22242 | 8.7 HIGH | GitLab 跨站脚本漏洞 |
| CVE-2021-22237 | 6.6 MEDIUM | GitLab 授权问题漏洞 |
| CVE-2021-22256 | 5.4 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22250 | 5.4 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22243 | 5.0 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22247 | 4.3 MEDIUM | GitLab 权限许可和访问控制问题漏洞 |
| CVE-2021-22244 | 3.1 LOW | GitLab 安全漏洞 |
| CVE-2021-22245 | 2.7 LOW | GitLab 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-22236
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