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Security Advisory - Weak Encryption Algorithm Vulnerability in Huawei Servers

  • SA No:huawei-sa-20160824-02-server
  • Initial Release Date: Aug 24, 2016
  • Last Release Date: Aug 24, 2016

Some Huawei servers have a weak encryption algorithm vulnerability in the iBMC (Intelligent Baseboard Management Controller). The software provide an option for users to select SSL encryption algorithms. If an insecure encryption algorithm is selected, an attacker may decrypt encrypted data, causing information leaks. (Vulnerability ID: HWPSIRT-2016-07019)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-6899.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160824-02-server-en

Product Name

Affected Version

Resolved Product and Version

RH1288 V3

V100R003C00

V100R003C00SPC613

RH2288 V3

V100R003C00

V100R003C00SPC617

RH2288H V3

V100R003C00

V100R003C00SPC515

RH5885 V3

V100R003C01

V100R003C10SPC102

XH620 V3

V100R003C00

V100R003C00SPC610

XH622 V3

V100R003C00

V100R003C00SPC610

XH628 V3

V100R003C00

V100R003C00SPC610

Successful exploit could allow an attacker to decrypt encrypted data, causing information leaks.

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:P/I:N/A:N)

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

1. Prerequisite:

The attacker has access to the network of the affected devices.

2. Attacking procedure:

The servers provide an option for users to select SSL encryption algorithms. If a user selects an insecure encryption algorithm, an attacker can decrypt encrypted data, causing information leaks.

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/psirt/report-vulnerabilities.

This vulnerability was discovered by Huawei internal tester.

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.