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CVE-2022-42488— Startup subsystem missed permission validation in param service. An malicious application installed on the device could elevate its privileges to the root user, disable security features, or cause DoS by disabling particular services.

Quick assessment

Affected
OpenHarmony OpenHarmony
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.

OpenHarmony是中国OpenAtom Foundation基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony v3.1.2及以前版本存在安全漏洞，该漏洞源于其启动子系统的parameter服务中缺少合理的权限验证导致安装在设备上的恶意应用程序可以将其权限提升到根用户，禁用安全功能，或通过禁用特定服务导致拒绝服务。

CVSS 8.4 · High EPSS 0.18% · P8

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-42488

Vulnerability Information
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Vulnerability Title
Startup subsystem missed permission validation in param service. An malicious application installed on the device could elevate its privileges to the root user, disable security features, or cause DoS by disabling particular services.
Source: CVE Program / CVE List V5
Vulnerability Description
OpenHarmony-v3.1.2 and prior versions have a Missing permission validation vulnerability in param service of startup subsystem. An malicious application installed on the device could elevate its privileges to the root user, disable security features, or cause DoS by disabling particular services.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarmony 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarmony是中国OpenAtom Foundation基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony v3.1.2及以前版本存在安全漏洞，该漏洞源于其启动子系统的parameter服务中缺少合理的权限验证导致安装在设备上的恶意应用程序可以将其权限提升到根用户，禁用安全功能，或通过禁用特定服务导致拒绝服务。
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
OpenHarmony OpenHarmony OpenHarmony-v3.1.x-Release ~ 3.1.2 -

II. Public POCs for CVE-2022-42488

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III. Intelligence Information for CVE-2022-42488

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Other References for CVE-2022-42488 (1)

Same Patch Batch · OpenHarmony · 2022-10-14 · 4 CVEs total

CVE-2022-42463 8.3 HIGH Softbus_server in communication subsystem has a authenication bypass vulnerability in a ca
CVE-2022-42464 6.7 MEDIUM Kernel memory pool override in /dev/mmz_userdev device driver. The impact depends on the p
CVE-2022-41686 5.1 MEDIUM Out-of-bound memory read and write in /dev/mmz_userdev device driver. The impact depends o

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-287

V. Comments for CVE-2022-42488

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