Security Advisory - Improper Authentication Vulnerability in Several Smartphones

There is an improper authentication vulnerability in several smartphones. A logic error occurs when handling clock function, an attacker should do a series of crafted operations quickly before the phone is unlocked, successful exploit could allow the attacker to access clock information without unlock the phone. (Vulnerability ID: HWPSIRT-2019-11109)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1833.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-05-smartphone-en