Vulnerability identifier: #VU22778

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-5212

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Huawei P20
Client/Desktop applications / Multimedia software

Vendor: Huawei

Description

The vulnerability allows a local attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the Huawei Share function does not properly restrict access to certain file from certain application. A local attacker can trick a victim to install a malicious application then establish a connect to the attacker through Huawei Share and disclose sensitive information on the target system.

Mitigation

Install updates from vendor's website.

Product Name	Affected Version	Resolved Product and Version
P20	Versions earlier than Emily-L29C 9.1.0.311(C10E2R1P13T8)	Emily-L29C 9.1.0.311(C10E2R1P13T8)
	Versions earlier than Emily-L29C 9.1.0.311(C461E2R1P11T8)	Emily-L29C 9.1.0.311(C461E2R1P11T8)
	Versions earlier than Emily-L29C 9.1.0.311(C605E2R1P12T8)	Emily-L29C 9.1.0.311(C605E2R1P12T8)
	Versions earlier than Emily-L29C 9.1.0.311(C432E7R1P11T8)	Emily-L29C 9.1.0.311(C432E7R1P11T8)

Vulnerable software versions

Huawei P20: All versions

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191113-01-share-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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