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Security Advisory - Signature Verification Bypass Vulnerability in Some Huawei Mobile Phones

  • SA No:huawei-sa-20190320-01-phone
  • Initial Release Date: 2019-03-20
  • Last Release Date: 2019-03-20

Some Huawei mobile phones have a signature verification bypass vulnerability. Attackers can induce users to install malicious applications. Due to a defect in the signature verification logic, the malicious applications can invoke specific interface to execute malicious code. A successful exploit may result in the execution of arbitrary code. (Vulnerability ID: HWPSIRT-2019-01019)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2019-5299.

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-20190320-01-phone-en


Product Name

Affected Version

Resolved Product and Version

Hima-AL00B

Versions earlier than HMA-AL00C00B175

HMA-AL00C00B175


Successful exploit may result in the execution of arbitrary code.


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

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

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:

1. An attacker tricks the user into installing a malicious application.

Vulnerability details:

Some Huawei mobile phones have a signature verification bypass vulnerability. Attackers can induce users to install malicious applications. Due to a defect in the signature verification logic, the malicious applications can invoke specific interface to execute malicious code. Successful exploit may result in the execution of arbitrary code.


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.


2019-03-20 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.