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Security Advisory - FRP Bypass Vulnerability in Huawei Smart Phones

  • SA No:huawei-sa-20170524-01-frp
  • Initial Release Date: May 24, 2017
  • Last Release Date: May 24, 2017

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 perform some operations to update the Google account. As a result, the FRP function is bypassed. (Vulnerability ID: HWPSIRT-2017-02036)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2710.

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-20170524-01-frp-en

Product Name

Affected Version

Resolved Product and Version

Beethoven-W09A

BTV-W09C229B002CUSTC229D005

Upgrade to BTV-W09 C229B003CUSTC229D001

BTV-W09C233B029

Upgrade to BTV-W09 C233B030

Earlier than BTV-W09C100B006CUSTC100D002 versions

BTV-W09 C100B006CUSTC100D002

Earlier than BTV-W09C128B003CUSTC128D002 versions

BTV-W09 C128B003CUSTC128D002

Earlier than BTV-W09C199B002CUSTC199D002 versions

BTV-W09 C199B002CUSTC199D002

Earlier than BTV-W09C209B005CUSTC209D001 versions

BTV-W09 C209B005CUSTC209D001

Earlier than BTV-W09C331B002CUSTC331D001 versions

BTV-W09 C331B002CUSTC331D001

CRR-L09

Earlier than CRR-L09C432B390 versions

CRR-L09C432B390

Earlier than CRR-L09C605B355CUSTC605D003 versions

CRR-L09C605B355CUSTC605D003

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 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 Alessandro De Bartolo from Italy security researcher. Huawei would like to thank Alessandro De Bartolo for working with us and coordinated vulnerability disclosure to protect our customers.

2017-05-24 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.

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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.