Security Advisory - Fingerprint Unlocking Vulnerability on Smartphones
- SA No:huawei-sa-20180203-01-fingerprint
- Initial Release Date: 2018-02-03
- Last Release Date: 2018-02-03
There is a fingerprint unlocking vulnerability on smartphones. If there are crackles on the fingerprint collector cover, the software would consider and learn the crackles as fingerprint feature when user press his finger on the cover to unlock the phone. So after lots of normal fingerprint unlocking, the phone can be unlocked by arbitrary fingerprint. Successful exploit could allow an attacker to unlock the phone. (Vulnerability ID: HWPSIRT-2017-09173)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17325.
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-20180203-01-fingerprint-en
|
Product Name |
Affected Version |
Resolved Product and Version |
|
Huawei P10 |
Victoria-AL00AC00B172 |
8.0.0.336a(C00) |
Successful exploit could allow an attacker to unlock the phone.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.3 (AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Temporal Score: 5.9 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
1. There are crackles on the fingerprint collector cover.
2. User's lots of normal fingerprint unlocking after the crackles.
Vulnerability details:
If there are crackles on the fingerprint collector cover, the software would consider and learn the crackles as fingerprint feature when user press his finger on the cover to unlock the phone. So after lots of normal fingerprint unlocking, the phone can be unlocked by arbitrary fingerprint. Successful exploit could allow an attacker to unlock the phone.
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.
2018-02-03 V1.0 INITIAL
None
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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.
