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CVE-2023-4018— Direct Request ('Forced Browsing') 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，该漏洞源于权限验证不当，可以在公开项目中创建模型实验。

CVSS 4.3 · Medium EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1114 · Email Collection

Affected Version Matrix 2

VendorProduct Version RangeStatus
GitLab GitLab 16.2< 16.2.5 affected
16.3< 16.3.1 affected
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I. Basic Information for CVE-2023-4018

Vulnerability Information
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Vulnerability Title
Direct Request ('Forced Browsing') in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. Due to improper permission validation it was possible to create model experiments in public projects.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
直接请求(强制性浏览)
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，该漏洞源于权限验证不当，可以在公开项目中创建模型实验。
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 16.2 ~ 16.2.5 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-4018

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-4018

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Other References for CVE-2023-4018 (2)

Same Patch Batch · GitLab · 2023-09-01 · 11 CVEs total

CVE-2023-3210 6.5 MEDIUM Inefficient Regular Expression Complexity in GitLab
CVE-2023-3205 6.5 MEDIUM Inefficient Regular Expression Complexity in GitLab
CVE-2023-3915 6.5 MEDIUM Incorrect Execution-Assigned Permissions in GitLab
CVE-2023-3950 5.5 MEDIUM Cleartext Storage of Sensitive Information in GitLab
CVE-2023-4378 5.5 MEDIUM Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2023-4647 5.3 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2022-4343 5.0 MEDIUM Exposure of Sensitive Information to an Unauthorized Actor in GitLab
CVE-2023-0120 3.5 LOW Incorrect Authorization in GitLab
CVE-2023-1555 2.7 LOW Missing Authorization in GitLab
CVE-2023-1279 2.6 LOW URL Redirection to Untrusted Site in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-425

V. Comments for CVE-2023-4018

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