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Security Advisory - Arbitrary Memory Read Write Vulnerability in Huawei Smart Phones

  • SA No:huawei-sa-20170306-01-smartphone
  • Initial Release Date: Mar 06, 2017
  • Last Release Date: Oct 15, 2018

There is a arbitrary memory read/write vulnerability in the hardware security module of some Huawei smart phones due to the input parameters validation. An attacker with the root privilege of the Android system could exploit this vulnerability to read and write memory data anywhere or execute arbitrary code in the TrustZone. (Vulnerability ID: HWPSIRT-2017-01060)

This vulnerability has been assigned a CVE ID: CVE-2017-17176.
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-20170306-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Mate 9

Versions earlier before MHA-AL00BC00B156

MHA-AL00BC00B156

Versions earlier before MHA-CL00BC00B156

MHA-CL00BC00B156

Versions earlier before MHA-DL00BC00B156

MHA-DL00BC00B156

Versions earlier before MHA-TL00BC00B156

MHA-TL00BC00B156

Mate 9 Pro

Versions earlier before LON-AL00BC00B156

LON-AL00BC00B156

Versions earlier before LON-CL00BC00B156

LON-CL00BC00B156

Versions earlier before LON-DL00BC00B156

LON-DL00BC00B156

Versions earlier before LON-TL00BC00B156

LON-TL00BC00B156


[1] Smart phones will receive a system update prompt. The vulnerabilities will be fixed after users install the update.

An attacker with the root privilege of the Android system could exploit this vulnerability to read and write memory data anywhere or execute arbitrary code in the TrustZone.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
Base Score: 6.6 (AV:L/AC:L/PR:H/UI:R/S:U/C:L/I:H/A:H)
Temporal Score: 6.1 (E:F/RL:O/RC:C)
Technique Details
This vulnerability can be exploited only when the following conditions are present:
The attacker successfully tricks a user into installing a malicious application on the smart phone.
Vulnerability details:
There is a arbitrary memory read/write vulnerability in the hardware security module of some Huawei smart phones due to the input parameters validation. An attacker with the root privilege of the Android system could exploit this vulnerability to read and write memory data anywhere or execute arbitrary code in the TrustZone.

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.

2018-10-15 V1.1 UPDATED Assigned a CVE ID(CVE-2017-17176) to the vulnerability;
2017-03-06 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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