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CVE-2023-4522— Improper Validation of Specified Type of Input 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，该漏洞源于提交包含 LF 字符的目录会导致查看提交时出现 500 错误。

CVSS 4.3 · Medium EPSS 1.15% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
GitLab GitLab < 16.2.0 affected
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I. Basic Information for CVE-2023-4522

Vulnerability Information
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Vulnerability Title
Improper Validation of Specified Type of Input in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab affecting all versions before 16.2.0. Committing directories containing LF character results in 500 errors when viewing the commit.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1287
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，该漏洞源于提交包含 LF 字符的目录会导致查看提交时出现 500 错误。
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 0 ~ 16.2.0 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-4522

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-4522

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Mailing List Discussions for CVE-2023-4522 (1)

Other References for CVE-2023-4522 (2)

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-1287

V. Comments for CVE-2023-4522

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