Improper Authorization in Huawei Mate 20 Pro

1) Improper Authorization

EUVDB-ID: #VU23411

Risk: Low

CVSSv3.1: 2.8 [CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5250

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows an attacker to bypass authorization checks.

The vulnerability exists due to the affected software does not properly restrict certain operation of certain privilege. An attacker with physical access to the device can trick the victim to install a malicious application before the user turns on student mode function and bypass the limit of student mode function.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Mate 20 Pro: before 9.1.0.135

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-02-smartphone-en

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.