CVE-2020-9255

Vulnerability

CVE-2020-9255 is a denial of service vulnerability in Huawei Honor 10 smartphones with versions earlier than 10.0.0.178(C00E178R1P4). The issue exists in a certain system service that does not sufficiently validate a specific parameter received, leading to a denial of service condition when exploited. [1]

Exploitation

To exploit this vulnerability, an attacker must trick the user into installing a malicious application. The attacker does not require any additional privileges or network access beyond the ability to deliver the malicious app. Once installed, the app sends crafted input to the vulnerable service, triggering the denial of service. [1]

Impact

Successful exploitation causes a denial of service condition, which may result in temporary unavailability of device services or features. The confidentiality and integrity of data are not directly affected. [1]

Mitigation

Huawei has released a software update to fix this vulnerability. The resolved version is 10.0.0.178(C00E178R1P4) for Honor 10. Users should update their devices to this version or later. No workarounds have been provided. [1]