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Security Advisory - MITM Vulnerability in Huawei Themes App in Some Mobile Phones

  • SA No:huawei-sa-20170908-01-smartphone
  • Initial Release Date: 2017-09-08
  • Last Release Date: 2017-09-08

The Themes App in some Huawei mobile phones has a man-in-the-middle (MITM) vulnerability due to the use of the insecure HTTP protocol for theme download. An attacker may exploit this vulnerability to tamper with downloaded themes. (Vulnerability ID: HWPSIRT-2017-06263)
This vulnerability has been assigned a CVE ID: CVE-2017-8154.
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-20170908-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

G9 Plus

The versions before MLA-AL00C00B356

MLA-AL00C00B356

The versions before MLA-TL00C01B356

MLA-TL00C01B356

The versions before MLA-TL10C01B356

MLA-TL10C01B356

The versions before MLA-UL00C17B356

MLA-UL00C17B356

Sucessful exploit could allow the attacker to tamper with downloaded themes.


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

Base Score: 4.2 (AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L)
Temporal Score: 3.9 (E:F/RL:O/RC:C)
This vulnerability can be exploited only when the following conditions are present:
The attacker blocks and tampers with the communication data exchanged between two parties.
Vulnerability details:
The Themes App in some Huawei mobile phones uses the insecure HTTP protocol for theme download. An attacker may exploit this vulnerability to tamper with downloaded themes.
Mobile phones will receive a system update prompt. The vulnerabilities will be fixed after users install the update.

This vulnerability was reported to Huawei PSIRT by Erez Yalon of Checkmarx. Huawei would like to thank Erez Yalon for working with us and coordinated vulnerability disclosure to protect our customers.

2017-09-08 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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