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Security Advisory - DoS Vulnerability in TLS of Some Huawei Products

  • SA No:huawei-sa-20170705-01-tls
  • Initial Release Date: 2017-07-05
  • Last Release Date: 2017-07-05

There is a input validation vulnerability in some huawei products when handle TLS and DTLS handshake with certificate. Due to the insufficient validation of received PKI certificates, remote attackers could exploit this vulnerability to crash the TLS module. (Vulnerability ID: HWPSIRT-2017-03121)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-8213.

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-20170705-01-tls-en

Product Name

Affected Version

Resolved Product and Version

SMC2.0

V100R003C10

Upgrade to V500R002C00SPCc00

V100R005C00SPC100

V100R005C00SPC101B001T

V100R005C00SPC102

V100R005C00SPC103

V100R005C00SPC200

V100R005C00SPC201T

V500R002C00

V500R002C00SPCc00

V600R006C00

V600R006C00SPC300

Successful exploitation of the vulnerability allows attackers to crash TLS module.

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 device network.

Vulnerability details:

A remote attacker could send abnormal TLS and DTLS certificates to the device to crash the TLS module.

None


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.

2017-07-05 V1.0 INITIAL

None

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.