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Security Advisory- Local Denial of Service Vulnerability in Huawei Ascend P7

  • SA No:SA No: Huawei-SA-20150211-01-P7
  • Initial Release Date: Feb 11, 2015
  • Last Release Date: Mar 20, 2015

Huawei Ascend P7 (Sophia-L09) uses Android 4.4, which is the upgrade version of EMUI 3.0.

The phone module crashes when a third-party app sends specific broadcast messages or enables specific UIs. (Vulnerability ID: HWPSIRT-2014-1233)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-2245.


Product Name

Affected Version

Solved version

P7-L09(Sophia-L09)

V100R001C92B604

V100R001C92B613

V100R001C92B606

V100R001C92B607

V100R001C92B608

V100R001C92B609

V100R001C92B610


A third party can exploit this vulnerability to repeatedly send the specific broadcast messages or enable some interface to crash the phone process, making such functions as calling unavailable.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

Base Score: 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P)

Temporal Score: 4.5 (E:F/RL:O/RC:C)

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

1.  Sends broadcast packets.

2.  Enables some interface.


Vulnerability details:

In normal cases, the specific broadcast messages can be sent only by the phone and SMS modules and carry extra information required by the receivers. However, no permission-based protection is implemented on this component. Any application can send broadcast to these receivers. If the broadcast messages do not carry extra information, and the phone process is crashing at the receiver side.

The phone module have some interface, it is invisible to users. Therefore, users can normally use their phones. However, it is visible to external apps. Any app can enable this interface. When an external app enables this interface, an execution error occurs, and the phone process crashes.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/security/psirt/report-vulnerabilities/index.htm.


This vulnerability is disclosed by wooyun website. The link is:

http://www.wooyun.org/bugs/wooyun-2014-087893

For security problems about Huawei products and solutions, please contactPSIRT@huawei.com.

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.


2015-03-20 V1.1 UPDATED Add the CVE ID for the vulnerability

2015-02-11 V1.0 INITIAL

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Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at http://www.huawei.com/en/security/psirt/.