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Security Advisory - Denial of Service Vulnerability on Several Huawei Products

  • SA No:huawei-sa-20171206-01-ssl
  • Initial Release Date: 2017-12-06
  • Last Release Date: 2017-12-06

There is a denial of service vulnerability on several products. The software does not correctly calculate the rest size in a buffer when handling SSL connections. A remote unauthenticated attacker could send a lot of crafted SSL messages to the device, successful exploit could cause no space in the buffer and then denial of service. (Vulnerability ID: HWPSIRT-2016-12099)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-15342.

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-20171206-01-ssl-en

Product Name

Affected Version

Resolved Product and Version

DP300

V500R002C00

Upgrade to V500R02C00SPC800

TE60

V600R006C00

V600R006C00SPC300

TP3106

V100R002C00

V100R002C00SPC800

eSpace U1981

V200R003C30SPC100

V200R003C030SPC200

Successful exploit could cause no space in the buffer and then denial of service.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 5.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Temporal Score: 4.9 (E:F/RL:O/RC:C)

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

The attacker accesses to the victim's network.

Vulnerability details:

The software does not correctly calculate the rest size in a buffer when handling SSL connections. A remote unauthenticated attacker could send a lot of crafted SSL messages to the device, successful exploit could cause no space in the buffer and then denial of service.

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.

2017-12-06 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.

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.