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CVE-2024-39831— AccessTokenManager has an use after free 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（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony 4.1.0版本存在安全漏洞，该漏洞源于允许具有高权限的本地攻击者通过释放后使用的方式在预安装的应用程序中执行任意代码。

CVSS 4.4 · Medium EPSS 0.17% · P5
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I. Basic Information for CVE-2024-39831

Vulnerability Information
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Vulnerability Title
AccessTokenManager has an use after free vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
in OpenHarmony v4.1.0 allow a local attacker with high privileges arbitrary code execution in pre-installed apps through use after free.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
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（OpenAtom Foundation）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony 4.1.0版本存在安全漏洞，该漏洞源于允许具有高权限的本地攻击者通过释放后使用的方式在预安装的应用程序中执行任意代码。
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 ~ 4.1.0 -

II. Public POCs for CVE-2024-39831

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III. Intelligence Information for CVE-2024-39831

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Vendor Advisories for CVE-2024-39831 (1)

Same Patch Batch · OpenHarmony · 2024-10-08 · 5 CVEs total

CVE-2024-39806 5.5 MEDIUM Liteos_a has an out-of-bounds Read vulnerability
CVE-2024-45382 3.3 LOW Liteos_a has an Out-of-bounds Write vulnerability
CVE-2024-43696 3.3 LOW Liteos_a has an Memory Leak vulnerability
CVE-2024-43697 3.3 LOW Liteos_a has an Improper Input Validation vulnerability

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-416

V. Comments for CVE-2024-39831

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