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CVE-2023-22436— The kernel subsystem function check_permission_for_set_tokenid has an UAF vulnerability.

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是中国开放原子开源基金会（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony-v3.1.5版本及之前版本存在安全漏洞。攻击者利用该漏洞可以升级为root权限。

CVSS 7.8 · High EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-22436

Vulnerability Information
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Vulnerability Title
The kernel subsystem function check_permission_for_set_tokenid has an UAF vulnerability.
Source: CVE Program / CVE List V5
Vulnerability Description
The kernel subsystem function check_permission_for_set_tokenid within OpenHarmony-v3.1.5 and prior versions has an UAF vulnerability which local attackers can exploit this vulnerability to escalate the privilege to root.
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
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarmony 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarmony是中国开放原子开源基金会（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony-v3.1.5版本及之前版本存在安全漏洞。攻击者利用该漏洞可以升级为root权限。
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 3.1 ~ 3.1.5 -

II. Public POCs for CVE-2023-22436

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III. Intelligence Information for CVE-2023-22436

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Other References for CVE-2023-22436 (1)

Same Patch Batch · OpenHarmony · 2023-03-10 · 5 CVEs total

CVE-2023-22301 6.5 MEDIUM The kernel subsystem hmdfs has a arbitrary memory accessing vulnerability.
CVE-2023-25947 6.2 MEDIUM The bundle management subsystem has a improper input validation when installing a HAP pack
CVE-2023-24465 5.5 MEDIUM Communication Wi-Fi  subsystem has a null pointer reference vulnerability when receving ex
CVE-2023-0083 4.0 MEDIUM The ArkUI framework subsystem doesn't check the input parameter,causing type confusion and

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-190

V. Comments for CVE-2023-22436

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