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Security Advisory - Double Free Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20190807-01-smartphone
  • Initial Release Date: Aug 07, 2019
  • Last Release Date: Aug 07, 2019

There is a double free vulnerability in some Huawei smart phones. An attacker can trick a user to click a URL to exploit this vulnerability. Successful exploitation may cause the affected phone abnormal. (Vulnerability ID: HWPSIRT-2019-04065)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5236.

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-20190807-01-smartphone-en


Product Name

Affected Version

Resolved Product and Version

Emily-L29C

8.1.0.132a(C432)

Upgrade to 9.1.0.311(C432E7R1P11T8)

8.1.0.135(C782)

Upgrade to 9.1.0.311(C782E10R1P11T8)

8.1.0.154(C10)

Upgrade to 9.1.0.311(C10E2R1P13T8)

8.1.0.154(C461)

Upgrade to 9.1.0.311(C461E2R1P11T8)

8.1.0.154(C635)

Upgrade to 9.1.0.316(C635E2R1P11T8)

8.1.0.156(C185)

Upgrade to 9.1.0.311(C185E2R1P12T8)

8.1.0.156(C605)

Upgrade to 9.1.0.311(C605E2R1P12T8)

8.1.0.159(C636)

Upgrade to 9.1.0.311(C636E7R1P13T8)



By exploiting this vulnerability, an attacker can cause the affected phone abnormal.

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

Base Score: 6.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

Temporal Score: 5.9 (E:F/RL:O/RC:C)

Overall Score: 5.9


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

The attacker should trick a user to click a URL.

Vulnerability details:

There is a double free vulnerability in some Huawei smart phones. An attacker can trick a user to click a URL to exploit this vulnerability. Successful exploitation may cause the affected phone abnormal.

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.


2019-08-07 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.