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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: Mar 20, 2019
  • Last Release Date: Apr 08, 2020

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

ALP-AL00B

Versions earlier than 9.1.0.321(C00E320R2P1T8)

9.1.0.321(C00E320R2P1T8)

ALP-L09

Versions earlier than 9.1.0.300(C432E4R1P9T8)

9.1.0.300(C432E4R1P9T8)

ALP-L29

Versions earlier than 9.1.0.300(C185E2R1P12T8)

9.1.0.300(C185E2R1P12T8)

Versions earlier than 9.1.0.300(C605E2R1P11T8)

9.1.0.300(C605E2R1P11T8)

Anne-AL00

Versions earlier than 9.1.0.122(C00E120R1P7T8)

9.1.0.122(C00E120R1P7T8)

BLA-AL00B

Versions earlier than 9.1.0.321(C00E320R2P1T8)

9.1.0.321(C00E320R2P1T8)

BLA-L09C

Versions earlier than 9.1.0.300(C185E2R1P13T8)

9.1.0.300(C185E2R1P13T8)

Versions earlier than 9.1.0.300(C605E2R1P12T8)

9.1.0.300(C605E2R1P12T8)

Versions earlier than 9.1.0.300(C432E4R1P11T8)

9.1.0.300(C432E4R1P11T8)

BLA-L29C

Versions earlier than 9.1.0.300(C185E2R1P13T8)

9.1.0.300(C185E2R1P13T8)

Versions earlier than 9.1.0.300(C636E2R1P13T8)

9.1.0.300(C636E2R1P13T8)

Versions earlier than 9.1.0.302(C635E4R1P13T8)

9.1.0.302(C635E4R1P13T8)

Versions earlier than 9.1.0.300(C432E4R1P11T8)

9.1.0.300(C432E4R1P11T8)

Berkeley-AL20

Versions earlier than 9.1.0.321(C00E320R2P1T8)

9.1.0.321(C00E320R2P1T8)

Berkeley-L09

Versions earlier than 9.1.0.325(C10E2R1P13T8)

9.1.0.325(C10E2R1P13T8)

Versions earlier than 9.1.0.325(C432E4R1P12T8)

9.1.0.325(C432E4R1P12T8)

Versions earlier than 9.1.0.325(C636E3R1P12T8)

9.1.0.325(C636E3R1P12T8)

Figo-L31

Versions earlier than 9.1.0.130(C432E8R1P5T8)

9.1.0.130(C432E8R1P5T8)

Florida-AL10B

Versions earlier than 9.1.0.124(C00E112R1P6T8)

9.1.0.124(C00E112R1P6T8)

Florida-L03

Versions earlier than 9.1.0.121(C605E5R1P1T8)

9.1.0.121(C605E5R1P1T8)

Florida-L21

Versions earlier than 9.1.0.120(C185E5R1P4T8)

9.1.0.120(C185E5R1P4T8)

Versions earlier than 9.1.0.115(C432E5R1P1T8)

9.1.0.115(C432E5R1P1T8)

Florida-L22

Versions earlier than 9.1.0.120(C636E5R1P1T8)

9.1.0.120(C636E5R1P1T8)

Florida-L23

Versions earlier than 9.1.0.121(C605E5R1P1T8)

9.1.0.121(C605E5R1P1T8)

HUAWEI Mate 20

Versions earlier than 9.1.0.135

9.1.0.135

HUAWEI Mate 20 Pro

Versions earlier than 9.1.0.300(C605E10R1P16)

9.1.0.300(C605E10R1P16)

HUAWEI P smart

Versions earlier than 9.1.0.130(ZAFC185E6R1P5T8)

9.1.0.130(ZAFC185E6R1P5T8)

HUAWEI P20 lite

Versions earlier than 9.1.0.200(C185E4R1P8T8)

9.1.0.200(C185E4R1P8T8)

Versions earlier than 9.1.0.200(C605E4R1P3T8)

9.1.0.200(C605E4R1P3T8)

HUAWEI nova 2s

Versions earlier than 9.1.0.201(C00E100R2P9T8)

9.1.0.201(C00E100R2P9T8)

Leland-AL00A

Versions earlier than 9.1.0.113(C00E111R2P10T8)

9.1.0.113(C00E111R2P10T8)

Leland-AL10B

Versions earlier than 9.1.0.113(C00E111R2P10T8)

9.1.0.113(C00E111R2P10T8)

Leland-L21A

Versions earlier than 9.1.0.118(C636E4R1P1T8)

9.1.0.118(C636E4R1P1T8)

Versions earlier than 9.1.0.118(C185E4R1P4T8)

9.1.0.118(C185E4R1P4T8)

Leland-L22A

Versions earlier than 9.1.0.118(C636E4R1P1T8)

9.1.0.118(C636E4R1P1T8)

Leland-L22C

Versions earlier than 9.1.0.118(C636E4R1P1T8)

9.1.0.118(C636E4R1P1T8)

Leland-L31A

Versions earlier than 9.1.0.121(C432E4R1P3T8)

9.1.0.121(C432E4R1P3T8)

LelandP-L22C

Versions earlier than 9.1.0.118(C636E4R1P1T8)

9.1.0.118(C636E4R1P1T8)

Honor 9i

Versions earlier than 9.1.0.113(C00E111R2P10T8)

9.1.0.113(C00E111R2P10T8)

Versions earlier than 9.1.0.115(C00E113R1P6T8)

9.1.0.115(C00E113R1P6T8)

Honor Magic2

Versions earlier than 9.1.0.216(C00E214R2P1)

9.1.0.216(C00E214R2P1)



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.


2020-04-08 V1.2 UPDATED Updated the "Software Versions and Fixes" section;

2020-01-02 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

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.