CVE-2023-6680— Improper Certificate Validation in GitLab
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I. Basic Information for CVE-2023-6680
Vulnerability Information
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Vulnerability Title
Improper Certificate Validation in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
An improper certificate validation issue in Smartcard authentication in GitLab EE affecting all versions from 11.6 prior to 16.4.4, 16.5 prior to 16.5.4, and 16.6 prior to 16.6.2 allows an attacker to authenticate as another user given their public key if they use Smartcard authentication. Smartcard authentication is an experimental feature and has to be manually enabled by an administrator.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab 存在信任管理问题漏洞，该漏洞源于允许攻击者在给定公钥的情况下以其他用户身份进行身份验证 使用智能卡身份验证。 智能卡身份验证是一项实验性功能，必须由管理员手动启用。
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-2023-6680
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://gitlab.com/gitlab-org/gitlab/-/issues/421607issue-tracking
- https://nvd.nist.gov/vuln/detail/CVE-2023-6680
Same Patch Batch · GitLab · 2023-12-15 · 6 CVEs total
| CVE-2023-6051 | 5.7 MEDIUM | Improper Control of Generation of Code ('Code Injection') in GitLab |
| CVE-2023-5512 | 4.8 MEDIUM | Improper Control of Generation of Code ('Code Injection') in GitLab |
| CVE-2023-3904 | 4.3 MEDIUM | Improper Validation of Specified Type of Input in GitLab |
| CVE-2023-5061 | 4.3 MEDIUM | Missing Authorization in GitLab |
| CVE-2023-3511 | 2.0 LOW | Incorrect Authorization in GitLab |
IV. Related Vulnerabilities
Same product: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
Same vendor: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
Same weakness: CWE-295
V. Comments for CVE-2023-6680
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