There is an information disclosure vulnerability in certain Huawei smartphones. An attacker could view certain information after a series of operation without unlock the screen lock. Successful exploit could cause an information disclosure condition. (Vulnerability ID: HWPSIRT-2019-04101)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5309.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Versions earlier than 220.127.116.113(C00E333R1P1T8)
Upgrade to 18.104.22.1683(C00E333R1P1T8)
Successful exploit could cause an information disclosure condition.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 4.6 (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Temporal Score: 4.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker has got the smartphone.
An attacker could view certain information after a series of operation without unlock the screen lock. Successful exploit could cause an information disclosure condition.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was reported to Huawei PSIRT by security researcher Ding Yicong. Huawei would like to thank Ding Yicong for working with us and coordinated vulnerability disclosure to protect our customers.
2019-11-27 V1.0 INITIAL
Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.
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To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.