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Security Advisory - Memory Leak Vulnerability in Several Huawei products

  • SA No:huawei-sa-20180103-01-sftp
  • Initial Release Date: 2018-01-03
  • Last Release Date: 2018-01-03

There is a memory leak vulnerability in several Huawei products. An unauthenticated, remote attacker could craft malformed packets with specific parameters when connecting with the affect products by SFTP/SSH protocol. Due to insufficient validation of packets, successful exploit could cause a memory leak and eventual denial of service (DoS) condition. (Vulnerability ID: HWPSIRT-2017-07015)

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-20180103-01-sftp-en

Product Name

Affected Version

Resolved Product and Version

DP300

V500R002C00

V500R002C00SPCb00

RP200

V500R002C00SPC200

Upgrade to TE60 V600R006C00SPC500

V600R006C00

TE60 V600R006C00SPC500

TE30

V100R001C02

Upgrade to TE60 V600R006C00SPC500

V100R001C10

V500R002C00

V600R006C00

TE60 V600R006C00SPC500

TE40

V500R002C00

Upgrade to TE60 V600R006C00SPC500

V600R006C00

TE60 V600R006C00SPC500

TE50

V500R002C00

Upgrade to TE60 V600R006C00SPC500

V600R006C00

TE60 V600R006C00SPC500

TE60

V100R001C01

Upgrade to V600R006C00SPC500

V100R001C10

V500R002C00

V600R006C00

V600R006C00SPC500

TP3106

V100R002C00

TP3206 V100R002C00SPC800

TP3206

V100R002C00

V100R002C00SPC800

V100R002C10


By exploiting this vulnerability, an attacker can cause a memory leak and eventual denial of service (DoS) condition.

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 gains access to the network.

Vulnerability details:

There is a memory leak vulnerability in several Huawei products. An unauthenticated, remote attacker could craft malformed packets with specific parameters when connecting with the affect products by SFTP/SSH protocol. Due to insufficient validation of packets, successful exploit could cause a memory leak and eventual denial of service (DoS) condition.

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.

These vulnerabilities were discovered by Huawei internal tester.

2018-01-03 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.