SB2020070305 - Multiple vulnerabilities in Huawei Mate 30 Pro

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authentication (CVE-ID: CVE-2020-1838)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to the affected device does not sufficiently validate certain credential of user's face. A local attacker can craft the credential of the user, bypass authentication process and gain unauthorized access to the application.

2) Improper Authorization (CVE-ID: CVE-2020-9256)

CWE-ID: CWE-285 - Improper Authorization

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local attacker to bypass authorization checks.

The vulnerability exists due to the affected system does not properly restrict the use of system service by applications. A local attacker can trick a victim to install a malicious application and cause a denial of audio service.

Remediation

Install update from vendor's website.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200701-03-smartphone-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-05-smartphone-en