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Security Advisory - OpenSSL Montgomery multiplication may produce incorrect results Vulnerability

  • SA No:huawei-sa-20170419-01-openssl
  • Initial Release Date: Apr 19, 2017
  • Last Release Date: May 31, 2017

The Broadwell-specific Montgomery multiplication procedure has a denial of service (DoS) vulnerability when handling input longer than 256 bits.Only EC algorithms that use Brainpool P-512 curves are affected. An attacker could exploit this vulnerability to cause DoS during ECDH key negotiation.(Vulnerability ID: HWPSIRT-2016-11044)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-7055.

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-20170419-01-openssl-en

Product Name

Affected Version

Resolved Product and Version

9032

V100R001C10

Upgrade to V100R001C20SPC100

AP5030DN

V200R007C00SPC100

Upgrade to V200R007C10SPC600

V200R007C10

V200R007C10SPC600

V200R007C10SPC100

V200R007C10SPC200

AP8000

V200R008C00

V200R008C00SPC100

E9000 Chassis

V100R001C10SPC236

V100R001C00SPC310B010

V100R001C10SPC236T

OceanStor Backup Software

V200R001C00

V200R001C00SPC203

V200R001C00SPC200

TE60

V600R006C00

V600R006C00SPC200

eSDK Platform

V200R001C00

Upgrade to V200R001C10

eSight

V300R002C01

Upgrade to V300R006C00SPC211


An attacker could exploit this vulnerability to cause DoS.

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

Base Score: 3.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Temporal Score: 3.5 (E:F/RL:O/RC:C)

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

The device support OpenSSL Montgomery multiplication.

Vulnerability details:

Please refer to https://www.openssl.org/news/secadv/20161110.txt

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 disclosed by OpenSSL official website.

2017-05-31 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

2017-04-19 V1.0 INITIAL

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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.

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