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CVE-2023-3920— 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存在数据伪造问题漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 4.3 · Medium EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 11.2< 16.2.8 affected
16.3< 16.3.5 affected
16.4< 16.4.1 affected
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I. Basic Information for CVE-2023-3920

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 11.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that a maintainer to create a fork relationship between existing projects contrary to the documentation.
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
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 数据伪造问题漏洞
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存在数据伪造问题漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 11.2 ~ 16.2.8 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-3920

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III. Intelligence Information for CVE-2023-3920

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Other References for CVE-2023-3920 (2)

Same Patch Batch · GitLab · 2023-09-29 · 12 CVEs total

CVE-2023-3413 6.5 MEDIUM Insertion of Sensitive Information Into Sent Data in GitLab
CVE-2023-3115 5.4 MEDIUM Incorrect User Management in GitLab
CVE-2023-3914 5.4 MEDIUM Incorrect User Management in GitLab
CVE-2023-5198 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2023-0989 4.3 MEDIUM Improper Ownership Management in GitLab
CVE-2023-3917 4.3 MEDIUM Improper Validation of Specified Type of Input in GitLab
CVE-2023-4532 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2023-3906 3.5 LOW Improper Validation of Specified Type of Input in GitLab
CVE-2023-2233 3.1 LOW Missing Authorization in GitLab
CVE-2023-3979 3.1 LOW Incorrect Authorization in GitLab
CVE-2023-3922 3.0 LOW URL Redirection to Untrusted Site ('Open Redirect') in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-3920

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