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CVE-2024-28826— Unrestricted upload and download paths in check_sftp

Quick assessment

Affected
Checkmk GmbH Checkmk
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.

Checkmk是一个编辑器。 Checkmk存在安全漏洞，该漏洞源于函数check_sftp对本地上传和下载的路径限制不当，导致攻击者可以读取和写入Checkmk站点服务器上的本地文件。受影响的产品和版本:Checkmk 2.3.0p4之前版本，2.2.0p27之前版本，2.1.0p44之前版本，2.0.0 (EOL)版本。

CVSS 8.8 · High EPSS 0.48% · P41

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2024-28826

Vulnerability Information
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Vulnerability Title
Unrestricted upload and download paths in check_sftp
Source: CVE Program / CVE List V5
Vulnerability Description
Improper restriction of local upload and download paths in check_sftp in Checkmk before 2.3.0p4, 2.2.0p27, 2.1.0p44, and in Checkmk 2.0.0 (EOL) allows attackers with sufficient permissions to configure the check to read and write local files on the Checkmk site server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
文件名或路径的外部可控制
Source: CVE Program / CVE List V5
Vulnerability Title
Checkmk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是一个编辑器。 Checkmk存在安全漏洞，该漏洞源于函数check_sftp对本地上传和下载的路径限制不当，导致攻击者可以读取和写入Checkmk站点服务器上的本地文件。受影响的产品和版本:Checkmk 2.3.0p4之前版本，2.2.0p27之前版本，2.1.0p44之前版本，2.0.0 (EOL)版本。
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
Checkmk GmbH Checkmk 2.3.0 ~ 2.3.0p4 -

II. Public POCs for CVE-2024-28826

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III. Intelligence Information for CVE-2024-28826

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Other References for CVE-2024-28826 (1)

IV. Related Vulnerabilities

Same product: Checkmk
Same vendor: Checkmk GmbH
Same weakness: CWE-73