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CVE-2023-4812— 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，该漏洞源于通过向先前批准的合并请求添加更改，可以绕过所需的 CODEOWNERS 批准。

CVSS 7.6 · High EPSS 0.51% · P42

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 15.3< 16.5.6 affected
16.6< 16.6.4 affected
16.7< 16.7.2 affected
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I. Basic Information for CVE-2023-4812

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 EE affecting all versions starting from 15.3 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2. The required CODEOWNERS approval could be bypassed by adding changes to a previously approved merge request.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/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，该漏洞源于通过向先前批准的合并请求添加更改，可以绕过所需的 CODEOWNERS 批准。
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 15.3 ~ 16.5.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-4812

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III. Intelligence Information for CVE-2023-4812

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Other References for CVE-2023-4812 (2)

Same Patch Batch · GitLab · 2024-01-12 · 5 CVEs total

CVE-2023-7028 10.0 CRITICAL Weak Password Recovery Mechanism for Forgotten Password in GitLab
CVE-2023-5356 7.3 HIGH Incorrect Authorization in GitLab
CVE-2023-6955 6.6 MEDIUM Missing Authorization in GitLab
CVE-2023-2030 3.5 LOW Improper Verification of Cryptographic Signature in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2023-4812

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