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CVE-2023-0284— Improper validation of LDAP user IDs

Quick assessment

Affected
Tribe29 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，该漏洞源于其对LDAP用户id的不正确输入验证允许可以控制LDAP用户id的攻击者操纵服务器上的文件。以下版本受到影响：2.1.0p19及以前的版本、2.0.0p32及以前的版本、1.6.0（EOL）的所有版本。

CVSS 6.8 · Medium EPSS 0.95% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-0284

Vulnerability Information
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Vulnerability Title
Improper validation of LDAP user IDs
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Input Validation of LDAP user IDs in Tribe29 Checkmk allows attackers that can control LDAP user IDs to manipulate files on the server. Checkmk <= 2.1.0p19, Checkmk <= 2.0.0p32, and all versions of Checkmk 1.6.0 (EOL) are affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Checkmk 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是一个编辑器。 Checkmk存在安全漏洞，该漏洞源于其对LDAP用户id的不正确输入验证允许可以控制LDAP用户id的攻击者操纵服务器上的文件。以下版本受到影响：2.1.0p19及以前的版本、2.0.0p32及以前的版本、1.6.0（EOL）的所有版本。
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
Tribe29 Checkmk 2.0.0 ~ 2.0.0p32 -

II. Public POCs for CVE-2023-0284

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III. Intelligence Information for CVE-2023-0284

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Other References for CVE-2023-0284 (1)

IV. Related Vulnerabilities

Same product: Checkmk
Same vendor: Tribe29
Same weakness: CWE-20