Security Advisory - Two Vulnerabilities in CRYPTO module of Several Huawei Products

HWPSIRT-2017-07009 and HWPSIRT-2017-07010:

By exploiting this vulnerability, an attacker can cause the system reboot.

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

HWPSIRT-2017-07009 and HWPSIRT-2017-07010:

Base Score: 6.2 (AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 5.8 (E:F/RL:O/RC:C)

HWPSIRT-2017-07009:

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

The attacker gains access to the system.

Vulnerability details:

There is a buffer overflow vulnerability in the CRYPTO module of several Huawei products. An unauthenticated, local attacker could craft malformed file with a specific field that the length is longer than the maximum value. Due to insufficient validation of the inputs, successful exploit could cause the system reboot.

HWPSIRT-2017-07010:

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

The attacker gains access to the system.

Vulnerability details:

There is a null pointer dereference vulnerability in the CRYPTO module of several Huawei products. An unauthenticated, local attacker could craft malformed file with a specific field that the value is a null pointer. Due to insufficient verification of the inputs, successful exploit could cause the system reboot.

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.

2018-01-03 V1.0 INITIAL

None

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