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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 configuration flow by some secret code and can perform some operations to update the Google account. As a result, the FRP function is bypassed. (Vulnerability ID: HWPSIRT-2017-06011)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8173.
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-20170715-01-frpbypass-en
Product Name |
Affected Version |
Resolved Product and Version |
Maya-L02 |
Earlier than Maya-L02C636B126 versions |
Upgrade to Maya-L02C636B126 |
VKY-L09 |
Earlier than VKY-L29C10B151 versions |
VKY-L29 C10B151 |
VTR-L29 |
Earlier than VTR-L29C10B151 versions |
Upgrade to VTR-L29C10B151 |
Vicky-AL00A |
Earlier than Vicky-AL00AC00B162 versions |
Upgrade to Vicky-AL00AC00B162 |
Victoria-AL00A |
Earlier than Victoria-AL00AC00B167 versions |
Upgrade to Victoria-AL00AC00B167 |
Warsaw-AL00 |
Earlier than Warsaw-AL00C00B200 versions |
Upgrade to Warsaw-AL00C00B200 |
An attacker can modify the configuration of the smart phone and cause the FRP bypass.
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)
This vulnerability can be exploited only when the following conditions are present:
Attacker gets the smart phone device.
Vulnerability details:
When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the configuration flow by some secret code and can perform some operations to update the Google account. 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 reported to Huawei PSIRT by Pedro Simoes from Portugal Journalist. Huawei would like to thank Pedro Simoes for working with us and coordinated vulnerability disclosure to protect our customers.
2017-08-11 V1.1 UPDATED Updated the "Software Versions and Fixes" section;
2017-07-15 V1.0 INITIAL
None
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.
To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.
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.