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CVE-2023-6477— Incorrect Privilege Assignment in GitLab

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 存在安全漏洞，该漏洞源于当用户被分配具有 admin_group_member 权限的自定义角色时，可能会导致权限升级。

CVSS 6.7 · Medium EPSS 0.53% · P43

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 16.5< 16.7.6 affected
16.8< 16.8.3 affected
16.9< 16.9.1 affected
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I. Basic Information for CVE-2023-6477

Vulnerability Information
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Vulnerability Title
Incorrect Privilege Assignment in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权授予不正确
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 安全漏洞
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 存在安全漏洞，该漏洞源于当用户被分配具有 admin_group_member 权限的自定义角色时，可能会导致权限升级。
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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 16.5 ~ 16.7.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-6477

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III. Intelligence Information for CVE-2023-6477

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Other References for CVE-2023-6477 (2)

Same Patch Batch · GitLab · 2024-02-21 · 6 CVEs total

CVE-2024-1451 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2024-0410 7.7 HIGH Improper Enforcement of Behavioral Workflow in GitLab
CVE-2024-1525 5.3 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2024-0861 4.3 MEDIUM Direct Request ('Forced Browsing') in GitLab
CVE-2023-3509 3.7 LOW Incorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-266

V. Comments for CVE-2023-6477

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