App Lock is a function provided by the Phone Manager app to prevent unauthorized use of apps on mobile phones. Some Huawei mobile phones have an App Lock bypass vulnerability. An attacker could perform specific operations to bypass the App Lock to use apps on a target mobile phone temporarily. (Vulnerability ID: HWPSIRT-2017-03159)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8206.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
HONOR 7 Lite
Versions earlier than NEM-L21C432B352
Successful exploit could allow the attacker to bypass the App Lock function to use apps on the target mobile phone temporarily.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 2.4 (AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Temporal Score: 2.3 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker gets the smartphone device.
An attacker could perform specific operations to bypass the App Lock to use apps on a target mobile phone temporarily.
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 Adam Holecarpenter @ flowtex.hu. Huawei would like to thank Adam Holecarpenter @ flowtex.hu for working with us and coordinated vulnerability disclosure to protect our customers.
2017-08-29 V1.0 INITIAL
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