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Security Advisory - Improper Validation of Array Index Vulnerability in Several Smartphones

  • SA No:huawei-sa-20191120-01-smartphone
  • Initial Release Date: Nov 20, 2019
  • Last Release Date: Nov 20, 2019

There is an improper validation of array index vulnerability in several smartphones. The system does not properly validate the input value before use it as an array index when processing certain image information. The attacker tricks the user into installing a malicious application, successful exploit could cause malicious code execution. (Vulnerability ID: HWPSIRT-2019-08063)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5210.

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-20191120-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Nova 5i pro

Versions earlier than 9.1.1.190(C00E190R6P2)

Upgrade to 9.1.1.190(C00E190R6P2)

Nova 5

Versions earlier than 9.1.1.175(C00E170R3P2)

Upgrade to 9.1.1.175(C00E170R3P2)


Successful exploit could cause malicious code execution.


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

Base Score: 7.0 (AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Temporal Score: 6.5 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present:

The attacker tricks the user into installing a malicious application.

Vulnerability details:

The system does not properly validate the input value before use it as an array index when processing certain image information. The attacker tricks the user into installing a malicious application, successful exploit could cause malicious code execution.


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.


2019-11-20 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.

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