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Security Advisory - Information Exposure Vulnerability in Huawei Products

  • SA No:huawei-sa-20170920-01-encryption
  • Initial Release Date: Sep 20, 2017
  • Last Release Date: Sep 20, 2017

Some Huawei products have an information exposure vulnerability. Encryption keys are stored in the system. The attacker can implement reverse engineering to obtain the encryption keys, causing information exposure. (Vulnerability ID: HWPSIRT-2017-07133)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2704.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170920-01-encryption-en

Product Name

Affected Version

Resolved Product and Version

Smarthome

1.0.2.364 and earlier versions

1.0.2.364

HiAPP

7.3.0.303 and earlier versions

7.3.0.303

HwParentControl

2.0.0 and earlier versions

2.0.0

HwParentControlParent

5.1.0.12 and earlier versions

5.1.0.12

Crowdtest

1.5.3 and earlier versions

1.5.3

HiWallet

8.0.0.301 and earlier versions

8.0.0.301

Huawei Pay

8.0.0.300 and earlier versions

8.0.0.300

Skytone

8.1.2.300 and earlier versions

8.1.2.300

HwCloudDrive(EMUI6.0)

8.0.0.307 and earlier versions

8.0.0.307

HwPhoneFinder(EMUI6.0)

9.3.0.310 and earlier versions

9.3.0.310

HwPhoneFinder(EMUI5.1)

9.2.2.303 and earlier versions

9.2.2.303

HiCinema

8.0.2.300 and earlier versions

8.0.2.300

HuaweiWear

21.0.0.360 and earlier versions

21.0.0.360

HiHealthApp

3.0.3.300 and earlier versions

3.0.3.300

Attackers can obtain the encryption keys, causing information exposure.

The vulnerability classification has been performed by using the CVSSv3 scoring system (https://www.first.org/cvss/specification-document).

Base Score: 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Temporal Score: 4.9 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker could obtain the software of affected products;

2. Attacking procedure:

Encryption keys are stored in the system. The attacker can implement reverse engineering to obtain the encryption keys, causing information exposure. 

The affected products could get the update patch from Huawei HiAPP. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.

2017-09-20 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.