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CVE-2023-2091— KylinSoft youker-assistant adjust_cpufreq_scaling_governer os command injection

Quick assessment

Affected
KylinSoft youker-assistant
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.

KylinSoft youker-assistant是中国麒麟软件（KylinSoft）公司的一个系统管理和配置工具。 KylinSoft youker-assistant 3.1.4.13之前版本存在操作系统命令注入漏洞，该漏洞源于函数adjust_cpufreq_scaling_governer存在安全问题，攻击者利用该漏洞可以提权。

CVSS 7.8 · High EPSS 1.47% · P73

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-2091

Vulnerability Information
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Vulnerability Title
KylinSoft youker-assistant adjust_cpufreq_scaling_governer os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability classified as critical was found in KylinSoft youker-assistant on KylinOS. Affected by this vulnerability is the function adjust_cpufreq_scaling_governer. The manipulation leads to os command injection. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.4.13 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-226099.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
KylinSoft youker-assistant 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KylinSoft youker-assistant是中国麒麟软件（KylinSoft）公司的一个系统管理和配置工具。 KylinSoft youker-assistant 3.1.4.13之前版本存在操作系统命令注入漏洞，该漏洞源于函数adjust_cpufreq_scaling_governer存在安全问题，攻击者利用该漏洞可以提权。
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
KylinSoft youker-assistant n/a -

II. Public POCs for CVE-2023-2091

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III. Intelligence Information for CVE-2023-2091

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Vendor Advisories for CVE-2023-2091 (2)

Other References for CVE-2023-2091 (2)

IV. Related Vulnerabilities

Same product: youker-assistant
Same vendor: KylinSoft
Same weakness: CWE-78

V. Comments for CVE-2023-2091

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