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CVE-2023-3964— Incorrect Authorization 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，该漏洞源于用户可以访问在项目设置中禁用包注册表的公共项目上的 Composer 包。

CVSS 4.3 · Medium EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 13.2< 16.4.3 affected
16.5< 16.5.3 affected
16.6< 16.6.1 affected
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I. Basic Information for CVE-2023-3964

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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，该漏洞源于用户可以访问在项目设置中禁用包注册表的公共项目上的 Composer 包。
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 13.2 ~ 16.4.3 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-3964

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III. Intelligence Information for CVE-2023-3964

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Other References for CVE-2023-3964 (2)

Same Patch Batch · GitLab · 2023-12-01 · 9 CVEs total

CVE-2023-6033 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2023-3949 5.3 MEDIUM Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2023-5226 4.8 MEDIUM Improper Control of Generation of Code ('Code Injection') in GitLab
CVE-2023-5995 4.4 MEDIUM Incorrect Authorization in GitLab
CVE-2023-4317 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2023-3443 3.1 LOW Incorrect Authorization in GitLab
CVE-2023-4658 3.1 LOW Incorrect Authorization in GitLab
CVE-2023-4912 2.6 LOW Allocation of Resources Without Limits or Throttling in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-863

V. Comments for CVE-2023-3964

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