There is Factory Reset Protection (FRP) bypass security vulnerability in some Huawei smart phones. When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the Talkback mode and can perform some operations to access the setting page. As a result, the FRP function is bypassed. (Vulnerability ID: HWPSIRT-2018-10067)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5283.
Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:
Resolved Product and Version
Versions earlier than Emily-AL00A 220.127.116.11(C00E81R1P21T8)
An attacker may exploit this vulnerability to bypass the FRP function.
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:N/I:H/A:N)
Temporal Score: 4.3 (E:F/RL:O/RC:C)
Overall Score: 4.3
This vulnerability can be exploited only when the following conditions are present:
Attacker gets the smart phone device.
When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the Talkback mode and can perform some operations to access the setting page. As a result, the FRP function is bypassed.
The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.
This vulnerability was discovered by Huawei internal tester.
2019-04-24 V1.0 INITIAL
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