Improper authorization in Huawei P30

Published: 2019-09-30

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2019-5231
CWE-ID	CWE-285
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	P30 Client/Desktop applications / Multimedia software
Vendor	Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Authorization

EUVDB-ID: #VU21448

Risk: Low

CVSSv3.1: 4.3 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2019-5231

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise the target device.

The vulnerability exists due to the affected software does incorrectly performs an authorization check when a user attempts to perform certain action. A local attacker with physical access to the device can update a crafted package.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

P30: before 9.1.0.186

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190930-01-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. However, a fully functional exploit for this vulnerability is available.