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Security Advisory - DoS Vulnerability in Huawei eSpace 7900 IP Phone

  • SA No:Huawei-SA-20151111-01-eSpace
  • Initial Release Date: 2015-11-11
  • Last Release Date: 2015-11-19

The Huawei eSpace 7900 IP phone cannot process some type of requests. If an intermediary device is not properly configured, such requests will be transparently sent to the eSpace 7900 phone. After receiving such requests, the phone restarts (Vulnerability ID: HWPSIRT-2015-08038).

 

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8231.

 

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-461213.htm

Product Name

Affected Version

Resolved Product and Version

eSpace 7910

V200R002C00SPC100

V200R002C00SPC800

V200R002C00SPC101

V200R002C00SPC300

V200R002C00SPC600

V200R002C00SPC700

eSpace 7950

V200R002C00SPC100

V200R002C00SPC800

V200R002C00SPC101

V200R002C00SPC300

V200R002C00SPC600

V200R002C00SPC700

The attacker could send the phone packets that cannot be processed by the phone to restart it.

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

Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:N/A:P)

Temporal Score: 3.6 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker has established a session with the target phone and an intermediary device is improperly configured.

2. Attacking procedure:

The attacker sends the phone packets that cannot be processed by the phone to restart it, affecting the availability of the phone.
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 was found by Huawei internal tester. Huawei PSIRT is not aware of malicious use of the vulnerability described in this advisory.

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.


2015-11-19 V1.1 UPDATED Added CVE ID.

2015-11-11 V1.0 INITIAL
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.


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/.