Improper Authorization in Several Huawei Smart Phones

1) Improper Authorization

EUVDB-ID: #VU24510

Risk: Low

CVSSv3.1: 1.9 [CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1882

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a local attacker to bypass authorization checks.

The vulnerability exists due to improper authorization of some function. An authenticated attacker with physical access to the device can bypass the authorization to perform some operations.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei Ever-L29B: before 10.0.0.180

Huawei Mate 20 RS: before 10.0.0.175

Huawei Mate 20 X : before 10.0.0.176

Huawei Honor Magic 2: before 10.0.0.175

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-01-phone-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.