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Security Advisory - Information Leak Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20171213-02-smartphone
  • Initial Release Date: Dec 13, 2017
  • Last Release Date: Dec 13, 2017

Some Huawei smartphones have an information leak vulnerability due to the lack of parameter validation. An attacker tricks a user into installing a malicious application on the smart phone, and the application can read some sensitive information in kernel memory, which may cause sensitive information leak. (Vulnerability ID: HWPSIRT-2017-08187)
This vulnerability has been assigned a CVE ID: CVE-2017-17140. 
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-20171213-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Enjoy 5s

The versions before TAG-AL00C92B170

TAG-AL00C92B170

Y6 Pro

The versions before TIT-L01C576B121

TIT-L01C576B121

Successful exploit could allow an attacker to read some sensitive information in kernel memory, which may cause sensitive information leak.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Temporal Score: 5.1 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker tricks a user into installing a malicious application on the smart phone.
Vulnerability details:
Some Huawei smartphones have an information leak vulnerability due to the lack of parameter validation. An attacker tricks a user into installing a malicious application on the smart phone, and the application can read some sensitive information in kernel memory, which may cause sensitive information leak.

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 Mateusz Fruba from MWR Labs. Huawei would like to thank Mateusz Fruba for working with us and coordinated vulnerability disclosure to protect our customers.

2017-12-13 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.

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