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Security Advisory - Arbitrary Lock Pattern Change Vulnerability in Huawei HiWallet APP

  • SA No:huawei-sa-20171220-01-hiwallet
  • Initial Release Date: 2017-12-20
  • Last Release Date: 2017-12-20

Huawei HiWallet App has an arbitrary lock pattern change vulnerability. It needs to verify the user's Huawei ID during lock pattern change. An attacker with root privilege who gets a user's smart phone may bypass Huawei ID verification by special operation. Successful exploit of this vulnerability can allow an attacker to change the lock pattern of HiWallet. (Vulnerability ID: HWPSIRT-2017-08138)

This vulnerability has been assigned a CVE ID: CVE-2017-17149.
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-20171220-01-hiwallet-en

Product Name

Affected Version

Resolved Product and Version

Huawei HiWallet App

The versions before 8.0.4

8.0.4

Successful exploit of this vulnerability can allow an attacker to change the lock pattern of HiWallet.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 3.9 (AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)
Temporal Score: 3.6 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:

Attacker with root privilege gets the vulnerable smart phone.

Vulnerability details:

Huawei HiWallet App has an arbitrary lock pattern change vulnerability. It needs to verify the user's Huawei ID during lock pattern change. An attacker with root privilege who gets a user's smart phone may bypass Huawei ID verification by special operation. Successful exploit of this vulnerability can allow an attacker to change the lock pattern of HiWallet.

Users could get the newest version from Huawei HiAPP and install it to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.
2017-12-20 V1.0 INITIAL

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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.

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