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Security Advisory - Three Out-of-bounds Read Vulnerabilities in Some Huawei Products

  • SA No:huawei-sa-20171101-01-sccpx
  • Initial Release Date: Nov 01, 2017
  • Last Release Date: Nov 01, 2017

There are three out-of-bounds read vulnerabilities in some Huawei products. Due to insufficient input validation, a remote attacker could exploit these vulnerabilities by sending specially crafted SS7 related packets to the target devices. 
Successful exploit will cause out-of-bounds read and possibly crash the system. (Vulnerability ID: HWPSIRT-2017-08043,HWPSIRT-2017-08044 and HWPSIRT-2017-08045)
The three vulnerabilities have been assigned three Common Vulnerabilities and Exposures (CVE) IDs: CVE-2017-15318, CVE-2017-15319 and CVE-2017-15320.
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-20171101-01-sccpx-en

Product Name

Affected Version

Resolved Product and Version

RP200[1]

V500R002C00

Upgrade to TEX0 V600R006C00SPC400

V600R006C00

TEX0 V600R006C00SPC400

TE30[1]

V100R001C10

Upgrade to TEX0 V600R006C00SPC400

V500R002C00

V600R006C00

TEX0 V600R006C00SPC400

TE40[1]

V500R002C00

Upgrade to TEX0 V600R006C00SPC400

V600R006C00

TEX0 V600R006C00SPC400

TE50[1]

V500R002C00

Upgrade to TEX0 V600R006C00SPC400

V600R006C00

TEX0 V600R006C00SPC400

TE60[1]

V100R001C10

Upgrade to TEX0 V600R006C00SPC400

V500R002C00

V600R006C00

TEX0 V600R006C00SPC400

 

[1] RP200, TE30, TE40, TE50 and TE60 are included in the TEX0 software package.
Successful exploit will cause out-of-bounds read and possibly crash the system.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
HWPSIRT-2017-08043,HWPSIRT-2017-08044 and HWPSIRT-2017-08045:
Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Temporal Score: 7.0 (E:F/RL:O/RC:C)

HWPSIRT-2017-08043,HWPSIRT-2017-08044 and HWPSIRT-2017-08045:
This vulnerability can be exploited only when the following conditions are present:
The attacker gains access to the device network.
Vulnerability details:
Due to insufficient input validation, a remote attacker could exploit these vulnerabilities by sending specially crafted SS7 related packets to the target devices. Successful exploit will cause out-of-bounds read and possibly crash the system.

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.
2017-11-01 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.