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Security Advisory - Two DOS Vulnerabilities of XML Parser in Some Huawei Products

  • SA No:huawei-sa-20171201-01-xml
  • Initial Release Date: 2017.12.01
  • Last Release Date: 2019.05.01

XML parser have two DOS vulnerabilities in some Huawei products. An attacker may craft specific XML files to the affected products. Due to not check the specially XML file and to parse this file, successful exploit will result in DOS attacks. (Vulnerability ID: HWPSIRT-2017-03037 and HWPSIRT-2017-03038)

These vulnerabilities have been assigned Common Vulnerabilities and Exposures (CVE) IDs: CVE-2017-15333 and CVE-2017-15346.
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-20171201-01-xml-en

Product Name

Affected Version

Resolved Product and Version

S12700

V200R005C00

Upgrade to V2R11C10

V200R006C00

V200R007C00

V200R008C00

V200R009C00

V200R010C00

S1700

V200R009C00

Upgrade to V2R11C10

V200R010C00

S3700

V100R006C03

Upgrade to V2R11C10

V100R006C05

S5700

V200R001C00

Upgrade to V2R11C10

V200R002C00

V200R003C00

V200R003C02

V200R005C00

V200R006C00

V200R007C00

V200R008C00

V200R009C00

V200R010C00

S6700

V200R001C00

Upgrade to V2R11C10

V200R002C00

V200R003C00

V200R005C00

V200R005C02

V200R008C00

V200R009C00

V200R010C00

S7700

V200R001C00

Upgrade to V2R11C10

V200R002C00

V200R003C00

V200R005C00

V200R006C00

V200R007C00

V200R008C00

V200R009C00

V200R010C00

S9700

V200R001C00

Upgrade to V2R11C10

V200R002C00

V200R003C00

V200R005C00

V200R006C00

V200R007C00

V200R008C00

V200R009C00

V200R010C00

eCNS210_TD

V100R004C10

V100R004C10SPC410

V100R004C10SPC003

V100R004C10SPC100

V100R004C10SPC101

V100R004C10SPC102

V100R004C10SPC200

V100R004C10SPC221

V100R004C10SPC400



An attacker can exploit these vulnerabilities to lead to DoS attacks.

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

HWPSIRT-2017-03037 and HWPSIRT-2017-03038:

Base Score: 6.8 (AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)

Temporal Score: 6.3 (E:F/RL:O/RC:C)

HWPSIRT-2017-03037 and HWPSIRT-2017-03038:

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

The attacker gains access to the affected products network and craft specific XML file.

Vulnerability details:

XML parser have two DOS vulnerabilities in some Huawei products. An attacker may craft specific XML files to the affected products. Due to not check the specially XML file and to parse this file, successful exploit will result in DOS attacks.

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 vulnerability were discovered by Huawei internal tester.

2019-05-01 V1.2 UPDATE Update the "Software Versions and Fixes"

2018-01-15 V1.1 UPDATE Update the "Software Versions and Fixes"
2017-12-01 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.