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Security Advisory - DOS Vulnerability in Bastet Component of Huawei Smart Phone

  • SA No:huawei-sa-20171018-03-dos
  • Initial Release Date: Oct 18, 2017
  • Last Release Date: Oct 18, 2017

The Bastet of some Huawei mobile phones has a DOS vulnerability due to the lack of parameter validation. An attacker may trick a user into installing a malicious APP. The APP can modify specific parameter to cause system reboot. (Vulnerability ID: HWPSIRT-2017-08155)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8186.
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-20171018-03-dos-en

Product Name

Affected Version

Resolved Product and Version

MHA-AL00A

Earlier than MHA-AL00BC00B231 versions

Upgrade to MHA-AL00BC00B231

Successful exploitation of the vulnerability allows attackers to crash the system.

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

Base Score: 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Temporal Score: 5.1 (E:F/RL:O/RC:C)

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

The attacker successfully tricked a user into installing the malicious APP.

Vulnerability details:

The Bastet of some Huawei mobile phones has a DOS vulnerability due to the lack of parameter validation. An attacker may trick a user into installing a malicious APP. The APP can modify specific parameter to cause system reboot.

The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was reported to Huawei PSIRT by He Yao, Bao Chenfu, and Wei Tao of Baidu X-Lab. Huawei would like to thank He Yao, Bao Chenfu, and Wei Tao for working with us and coordinated vulnerability disclosure to protect our customers.

2017-10-18 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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