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CVE-2022-43495— An abnormal packet recieved when distributedhardware_device_manager joining a network could cause a device reboot.

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 及之前版本存在安全漏洞，该漏洞源于加入网络时在分布式硬件设备管理器中存在 DOS漏洞，攻击者利用该漏洞可以在加入网络时发送异常数据包，导致 nullptr 引用和设备重启。

CVSS 6.5 · Medium EPSS 0.66% · P50
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I. Basic Information for CVE-2022-43495

Vulnerability Information
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Vulnerability Title
An abnormal packet recieved when distributedhardware_device_manager joining a network could cause a device reboot.
Source: CVE Program / CVE List V5
Vulnerability Description
OpenHarmony-v3.1.2 and prior versions had a DOS vulnerability in distributedhardware_device_manager when joining a network. Network attakcers can send an abonormal packet when joining a network, cause a nullptr reference and device reboot.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
OpenHarmony 代码问题漏洞
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 及之前版本存在安全漏洞，该漏洞源于加入网络时在分布式硬件设备管理器中存在 DOS漏洞，攻击者利用该漏洞可以在加入网络时发送异常数据包，导致 nullptr 引用和设备重启。
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-2022-43495

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III. Intelligence Information for CVE-2022-43495

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Other References for CVE-2022-43495 (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-2022-43449 6.2 MEDIUM Arbitrary file read via download_server.

IV. Related Vulnerabilities

Same product: OpenHarmony
Same vendor: OpenHarmony
Same weakness: CWE-476

V. Comments for CVE-2022-43495

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