This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our private policy

Security Advisory - Denial of Service Vulnerability in OpenSSL

  • SA No:huawei-sa-20200715-01-openssl
  • Initial Release Date: 2020.07.15
  • Last Release Date: 2020.07.29

There is a Denial of Service (DoS) vulnerability in Openssl. Specific function in Openssl may crash during or after the TLS 1.3 handshake due to a NULL pointer dereference. Attacker may send crafted request packet to the target host service to exploit this vulnerability. Successful exploit may cause the affected service crash or deny of service. (Vulnerability ID: HWPSIRT-2020-16617)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1967.

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-20200715-01-openssl-en


Product Name

Affected Version

Resolved Product and Version

FusionCube

3.2.1.SPC201

3.2.1.SPC300

6.0.0

6.0.2

6.0.RC3

6.0.1

Myna

9.0.1.10(H100SP12C00)

9.0.1.11(H100SP9C00)

eLog

V200R007C10SPC102

V200R007C10SPC200



Successful exploit may cause the affected service crash or deny of service.


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

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)


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

The attacker may gain access the affected network.

Vulnerability details:

Specific function in Openssl may crash during or after the TLS 1.3 handshake due to a NULL pointer dereference. Attacker may send crafted request packet to the target host service to exploit this vulnerability. Successful exploit may crash or deny 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 publicly disclosed.


2020-07-29 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

2020-07-15 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.