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CVE-2022-43449— Arbitrary file read via download_server.

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-v3.1.2版本存在安全漏洞，该漏洞源于通过download_server 可以任意文件读取，攻击者利用该漏洞可以在设备上安装恶意应用程序，并泄露文件系统中的任何文件。

CVSS 6.2 · Medium EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2022-43449

Vulnerability Information
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Vulnerability Title
Arbitrary file read via download_server.
Source: CVE Program / CVE List V5
Vulnerability Description
OpenHarmony-v3.1.2 and prior versions had an Arbitrary file read vulnerability via download_server. Local attackers can install an malicious application on the device and reveal any file from the filesystem that is accessible to download_server service which run with UID 1000.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
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-v3.1.2版本存在安全漏洞，该漏洞源于通过download_server 可以任意文件读取，攻击者利用该漏洞可以在设备上安装恶意应用程序，并泄露文件系统中的任何文件。
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 3.1.0 -

II. Public POCs for CVE-2022-43449

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III. Intelligence Information for CVE-2022-43449

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Other References for CVE-2022-43449 (1)

Same Patch Batch · OpenHarmony · 2022-11-03 · 3 CVEs total

CVE-2022-43451 8.4 HIGH Multiple path traversal in appspawn and nwebspawn services.
CVE-2022-43495 6.5 MEDIUM An abnormal packet recieved when distributedhardware_device_manager joining a network coul

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-20

V. Comments for CVE-2022-43449

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