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Security Advisory - Buffer overflow Vulnerability in CameraISP Driver of Huawei Smart Phone

  • SA No:huawei-sa-20171115-01-smartphone
  • Initial Release Date: Nov 15, 2017
  • Last Release Date: Nov 15, 2017

The CameraISP driver of some Huawei smart phones has a buffer overflow vulnerability due to the lack of parameter validation. An attacker tricks a user into installing a malicious APP, the APP can send a specific parameter to the CameraISP driver of the smart phone, causing system reboot. (Vulnerability ID: HWPSIRT-2017-07178)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8202. 

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-20171115-01-smartphone-en

Product Name

Affected Version

Resolved Product and Version

Prague-AL00A
Versions earlier than Prague-AL00AC00B205
Prague-AL00AC00B205

Prague-AL00B

Versions earlier than Prague-AL00BC00B205

Prague-AL00BC00B205

Prague-AL00C

Versions earlier than Prague-AL00CC00B205

Prague-AL00CC00B205

Prague-TL00A

Versions earlier than Prague-TL00AC01B205

Prague-TL00AC01B205

Prague-TL10A

Versions earlier than Prague-TL10AC01B205

Prague-TL10AC01B205

An attacker could exploit this vulnerability to cause system reboot.

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:

An attacker tricks a user into installing a malicious application.

Vulnerability details:

The malicious application can send a specific parameter to the CameraISP driver of the smart phone, causing 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 Yonggang Guo of IceSword Lab, Qihoo 360 Technology Co. Ltd. Huawei would like to thank Yonggang Guo for working with us and coordinated vulnerability disclosure to protect our customers.

2017-11-15 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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.