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CVE-2024-21816— Background task manager has an improper preservation of permissions 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 v4.0.0 版本及之前版本存在安全漏洞，该漏洞源于允许本地攻击者通过不正确的权限保存造成信息泄露。

CVSS 4.0 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-21816

Vulnerability Information
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Vulnerability Title
Background task manager has an improper preservation of permissions vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
in OpenHarmony v4.0.0 and prior versions allow a local attacker cause information leak through improper preservation of permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
权限预留不恰当
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 v4.0.0 版本及之前版本存在安全漏洞，该漏洞源于允许本地攻击者通过不正确的权限保存造成信息泄露。
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 v4.0.0 ~ v4.0.1 -

II. Public POCs for CVE-2024-21816

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III. Intelligence Information for CVE-2024-21816

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Other References for CVE-2024-21816 (1)

Same Patch Batch · OpenHarmony · 2024-03-04 · 5 CVEs total

CVE-2023-46708 4.3 MEDIUM Wlan has a use after free vulnerability
CVE-2024-21826 4.3 MEDIUM Huks has an insecure storage of sensitive information vulnerability
CVE-2023-25176 2.9 LOW Pasteboard has an out-of-bounds read vulnerability
CVE-2023-49602 2.9 LOW Arkui has a type confusion vulnerability

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-281

V. Comments for CVE-2024-21816

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