Information disclosure in Several Huawei Smartphones

1) Out-of-bounds read

EUVDB-ID: #VU27912

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1808

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A local attacker can trick a victim to install a malicious application, trigger out-of-bounds read error and read contents of memory on the system or a denial of service (DoS) condition.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Honor V20: before 10.0.0.188

Huawei Honor 20 PRO: before 10.0.0.187

Huawei Honor Magic 2: before 10.0.0.176

Huawei Honor 20: before 10.0.0.187

External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200513-02-smartphone-en

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.