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Security Advisory - Directory Traversal Vulnerability in Push Module of Huawei Smart Phone

  • SA No:huawei-sa-20170712-01-push
  • Initial Release Date: 2017-07-12
  • Last Release Date: 2017-07-12

There is a directory traversal vulnerability in Push module of Huawei Smart Phone. Since the system does not verify the file name during decompression, system directories are traversed. It could be exploited to cause the attacker to replace files and impact the service. (Vulnerability ID: HWPSIRT-2017-05069)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-2706.

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-20170712-01-push-en


Product Name

Affected Version

Resolved Product and Version

Mate 9

MHA-AL00AC00B125

MHA-AL00AC00B225

By exploiting this vulnerability, the attacker can replace files and impact the service.

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

Base Score: 4.4 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L)

Temporal Score: 4.1 (E:F/RL:O/RC:C)

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

The attacker tricks a user into decompressing a malicious file on the smart phone.

Vulnerability details:

There is a directory traversal vulnerability in Push module of Huawei Smart Phone. Since the system does not verify the file name during decompression, system directories are traversed. It could be exploited to cause the attacker to replace files and impact the service.

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.

2017-07-12 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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