Security Advisory - FRP Bypass Vulnerability in Huawei Smart Phones
- SA No:huawei-sa-20170920-01-frpbypass
- Initial Release Date: 2017-09-20
- Last Release Date: 2017-09-20
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 Swype Keyboard and can perform some operations to update the Google account. As a result, the FRP function is bypassed. (Vulnerability ID: HWPSIRT-2017-07117)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2721.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-20170920-01-frpbypass-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
Berlin-L21 |
Berlin-L21C10B130 |
BLL-L21C10B360 |
|
Berlin-L21C185B133 |
BLL-L21C185B361 |
|
|
Berlin-L21HN |
Berlin-L21HNC10B131 |
BLN-L21C10B360 |
|
Berlin-L21HNC185B140 |
BLN-L21C185B361 |
|
|
Berlin-L21HNC432B151 |
BLN-L21C432B360 |
|
|
Berlin-L22 |
Berlin-L22C636B160 |
Berlin-L22C636B360 |
|
Berlin-L22HN |
Berlin-L22HNC636B130 |
Berlin-L22HNC636B360 |
|
Berlin-L22HNC675B150CUSTC675D001 |
BLN-L22C675B310CUSTC675D002 |
|
|
Berlin-L23 |
Berlin-L23C605B131 |
BLL-L23C605B364 |
|
Berlin-L24HN |
Berlin-L24HNC567B110 |
BLN-L24C567B360 |
|
FRD-L02 |
FRD-L02C432B120 |
FRD-L02C432B380 |
|
FRD-L02C635B130 |
FRD-L02C635B360 |
|
|
FRD-L02C675B170CUSTC675D001 |
FRD-L02C675B310CUSTC675D001 |
|
|
FRD-L04 |
FRD-L04C567B162 |
FRD-L04C567B360 |
|
FRD-L04C605B131 |
FRD-L04C605B131CUSTC605D004 |
|
|
FRD-L09 |
FRD-L09C10B130 |
FRD-L09C10B360 |
|
FRD-L09C185B130 |
FRD-L09C185B360 |
|
|
FRD-L09C432B131 |
FRD-L09C432B360 |
|
|
FRD-L09C636B130 |
FRD-L09C636B360 |
|
|
FRD-L14 |
FRD-L14C567B162 |
FRD-L14C567B360 |
|
FRD-L19 |
FRD-L19C10B130 |
FRD-L19C10B360 |
|
FRD-L19C432B131 |
FRD-L19C432B360 |
|
|
FRD-L19C636B130 |
FRD-L19C636B360 |
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 Swype Keyboard 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 Aleksi Ylanen an ICT student. Huawei would like to thank Aleksi Ylanen for working with us and coordinated vulnerability disclosure to protect our customers.
2017-09-20 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.
