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Security Advisory - Information Leak Vulnerability in Some Huawei Smartphones

  • SA No:huawei-sa-20181121-01-phone
  • Initial Release Date: 2018-11-21
  • Last Release Date: 2020-01-02

There is an information leak vulnerability in some Huawei smartphones. An attacker may do some specific configuration in the smartphone and trick a user into inputting some sensitive information. Due to improper design, successful exploit may cause some information leak. (Vulnerability ID: HWPSIRT-2018-09002)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7946.

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-20181121-01-phone-en


Product Name

Affected Version

Resolved Product and Version

ALP-AL00B

Versions earlier than 9.0.0.156(C00E84R2P20T8)

9.0.0.156(C00E84R2P20T8)

ALP-L09

Versions earlier than 9.0.0.159(C432E4R1P9T8)

9.0.0.159(C432E4R1P9T8)

ALP-L29

Versions earlier than 9.0.0.159(C185E2R1P12T8)

9.0.0.159(C185E2R1P12T8)

Versions earlier than 9.0.0.159(C636E2R1P12T8)

9.0.0.159(C636E2R1P12T8)

Versions earlier than 9.0.0.160(C605E2R1P11)

9.0.0.160(C605E2R1P11)

Anne-AL00

Versions earlier than 8.0.0.168(C00)

8.0.0.168(C00)

Atomu-AL10B

Versions earlier than 8.0.0.195(C00)

8.0.0.195(C00)

Atomu-L03

Versions earlier than 8.0.0.145(C605CUSTC605D1)

8.0.0.145(C605CUSTC605D1)

Atomu-L11

Versions earlier than 8.0.0.144(C782CUSTC782D1)

8.0.0.144(C782CUSTC782D1)

Atomu-L21

Versions earlier than 8.0.0.144(C432CUSTC432D1)

8.0.0.144(C432CUSTC432D1)

Atomu-L23

Versions earlier than 8.0.0.146(C605CUSTC605D1)

8.0.0.146(C605CUSTC605D1)

Atomu-L29A

Versions earlier than 8.0.0.137(C432CUSTC432D1)

8.0.0.137(C432CUSTC432D1)

Versions earlier than 8.0.0.142(C461CUSTC461D1)

8.0.0.142(C461CUSTC461D1)

Versions earlier than 8.0.0.143(C185CUSTC185D2)

8.0.0.143(C185CUSTC185D2)

Versions earlier than 8.0.0.162(C636CUSTC636D1)

8.0.0.162(C636CUSTC636D1)

Atomu-L41

Versions earlier than 8.0.0.143(C461CUSTC461D1)

8.0.0.143(C461CUSTC461D1)

Atomu-L42

Versions earlier than 8.0.0.143(C636CUSTC636D1)

8.0.0.143(C636CUSTC636D1)

Atomu-TL10B

Versions earlier than 8.0.0.195(C798)

8.0.0.195(C798)

BLA-A09

Versions earlier than 8.0.0.127(C212)

8.0.0.127(C212)

Versions earlier than 8.0.0.127(C567)

8.0.0.127(C567)

Versions earlier than 8.0.0.127(C797)

8.0.0.127(C797)

BLA-AL00B

Versions earlier than 9.0.0.156(C00E86R2P15T8)

9.0.0.156(C00E86R2P15T8)

BLA-L09C

Versions earlier than 8.0.0.140(C605)

8.0.0.140(C605)

Versions earlier than 8.0.0.156(C432)

8.0.0.156(C432)

Versions earlier than 9.0.0.159(C185E2R1P13T8)

9.0.0.159(C185E2R1P13T8)

BLA-L29C

Versions earlier than 8.0.0.140(C605)

8.0.0.140(C605)

Versions earlier than 8.0.0.151(C635)

8.0.0.151(C635)

Versions earlier than 8.0.0.156(C432)

8.0.0.156(C432)

Versions earlier than 9.0.0.159(C185E2R1P13T8)

9.0.0.159(C185E2R1P13T8)

Versions earlier than 9.0.0.159(C636E2R1P13T8)

9.0.0.159(C636E2R1P13T8)

Berkeley-AL20

Versions earlier than 8.0.0.202(C00GT)

8.0.0.202(C00GT)

Berkeley-L09

Versions earlier than 8.0.0.172(C432)

8.0.0.172(C432)

Versions earlier than 8.0.0.172(C636)

8.0.0.172(C636)

Figo-AL00A

Versions earlier than 8.0.0.178(C00)

8.0.0.178(C00)

Figo-L03

Versions earlier than 8.0.0.147(C605)

8.0.0.147(C605)

Figo-L11

Versions earlier than 8.0.0.137(C782)

8.0.0.137(C782)

Figo-L21

Versions earlier than 8.0.0.139(C185)

8.0.0.139(C185)

Versions earlier than 8.0.0.139(C635)

8.0.0.139(C635)

Figo-L23

Versions earlier than 8.0.0.144(C605)

8.0.0.144(C605)

Figo-L31

Versions earlier than 8.0.0.162(C432)

8.0.0.162(C432)

Florida-AL10B

Versions earlier than 8.0.0.172(C00)

8.0.0.172(C00)

Florida-L03

Versions earlier than 8.0.0.133(C605)

8.0.0.133(C605)

Florida-L21

Versions earlier than 8.0.0.127(C185)

8.0.0.127(C185)

Versions earlier than 8.0.0.127(C432)

8.0.0.127(C432)

Versions earlier than 8.0.0.129(C605)

8.0.0.129(C605)

Florida-L22

Versions earlier than 8.0.0.128(C636)

8.0.0.128(C636)

Florida-L23

Versions earlier than 8.0.0.138(C605)

8.0.0.138(C605)

HUAWEI P smart

Versions earlier than 8.0.0.132(ZAFC185)

8.0.0.132(ZAFC185)

Versions earlier than 8.0.0.138(C605)

8.0.0.138(C605)

HUAWEI P smart,HUAWEI Y7s

Versions earlier than 8.0.0.112(C636)

8.0.0.112(C636)

HUAWEI P20 lite

Versions earlier than 8.0.0.155(C432)

8.0.0.155(C432)

HUAWEI Y6 2018

Versions earlier than 8.0.0.148(C185CUSTC185D1)

8.0.0.148(C185CUSTC185D1)

HUAWEI Y6 Prime 2018

Versions earlier than 8.0.0.144(C185CUSTC185D1)

8.0.0.144(C185CUSTC185D1)

HUAWEI Y7 2018

Versions earlier than 8.0.0.160(C782CUSTC782D1)

8.0.0.160(C782CUSTC782D1)

HUAWEI Y7 Pro 2018

Versions earlier than 8.0.0.146(C636CUSTC636D1)

8.0.0.146(C636CUSTC636D1)

HUAWEI nova 3e,HUAWEI P20 lite

Versions earlier than 8.0.0.166(C432)

8.0.0.166(C432)

Honor View 10

Versions earlier than 8.1.0.131(C567)

8.1.0.131(C567)

Jimmy-L22HN

Versions earlier than Jimmy-L22HNC432B136

Jimmy-L22HNC432B136

Leland-AL00A

Versions earlier than 8.0.0.182(C00)

8.0.0.182(C00)

Leland-L21A

Versions earlier than 8.0.0.133(C636)

8.0.0.133(C636)

Versions earlier than 8.0.0.134(C185)

8.0.0.134(C185)

Leland-L31A

Versions earlier than 8.0.0.138(C432)

8.0.0.138(C432)

LelandP-L22C

Versions earlier than 9.1.0.118(C636E4R1P1T8)

Leland-L21A 9.1.0.118(C636E4R1P1T8)

London-AL30A

Versions earlier than 8.0.0.215(C00)

8.0.0.215(C00)

London-AL40

Versions earlier than 8.0.0.215(C00)

London-AL40B 8.0.0.215(C00)

Selina-L02

Versions earlier than Selina-L02C432B161

Selina-L02C432B161

Toronto-L21

Versions earlier than Toronto-L21C09B163CUSTC09D001

Toronto-L21C09B163CUSTC09D001

Versions earlier than Toronto-L21C10B175CUSTC10D001

Toronto-L21C10B175CUSTC10D001

Versions earlier than Toronto-L21C432B179CUSTC432D001

Toronto-L21C432B179CUSTC432D001

Toronto-L22

Versions earlier than Toronto-L22C636B186CUSTC636D001

Toronto-L22C636B186CUSTC636D001

LDN-AL20

Versions earlier than 8.0.0.215(C00)

8.0.0.215(C00)

Honor 9i

Versions earlier than 8.0.0.132(C00)

8.0.0.132(C00)

Honor Play7A

Versions earlier than 8.0.0.195(C00)

8.0.0.195(C00)



Successful exploit may cause some information leak.


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

Base Score: 3.9 (AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:N/A:N)

Temporal Score: 3.6 (E:F/RL:O/RC:C)

Overall Score: 3.6


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

1. The attacker has got the smartphone.

Vulnerability details:

There is an information leak vulnerability in some Huawei smartphones. An attacker may do some specific configuration in the smartphone and trick a user into inputting some sensitive information. Due to improper design, successful exploit may cause some information leak.


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.


2020-01-02 V1.1 UPDATED Updated the "Software Versions and Fixes" section;
2018-11-21 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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