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Security Advisory - Two Vulnerabilities of License Module in Some Huawei Products

  • SA No:huawei-sa-20171206-01-license
  • Initial Release Date: Dec 06, 2017
  • Last Release Date: Dec 06, 2017

There is a uncontrolled format string vulnerability when the license module of some Huawei products output the log information. An authenticated local attacker could exploit this vulnerability to cause a denial of service. (Vulnerability ID: HWPSIRT-2017-06138)

This vulnerability has been assigned a CVE ID: CVE-2017-17132.

There is a null pointer reference vulnerability in license module of some Huawei products due to insufficient verification. An authenticated local attacker could place a malicious license file into system, which cause memory null pointer accessing and related processing crash. The attacker can exploit this vulnerability to cause a denial of service. (Vulnerability ID: HWPSIRT-2017-09100)

This vulnerability has been assigned a CVE ID: CVE-2017-17133.

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-20171206-01-license-en

Product Name

Affected Version

Resolved Product and Version

VP9660

V500R002C10

V500R002C10SPC800

The attacker can exploit these vulnerabilities to cause a denial of service.
The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).
HWPSIRT-2017-06138 and HWPSIRT-2017-09100:

Base Score: 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 5.1 (E:F/RL:O/RC:C)

HWPSIRT-2017-06138:
This vulnerability can be exploited only when the following conditions are present:
The attacker has logged in to the system as an operator.
Vulnerability details:

There is a uncontrolled format string vulnerability when the license module output the log information. An authenticated local attacker could exploit this vulnerability to cause a denial of service.


HWPSIRT-2017-09100:
This vulnerability can be exploited only when the following conditions are present:
The attacker has place a malicious license file into the system.
Vulnerability details:

There is a null pointer reference vulnerability in license module of some Huawei products due to insufficient verification. An authenticated local attacker could place a malicious license file into system, which cause memory null pointer accessing and related processing crash. The attacker can exploit this vulnerability to cause a denial 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 discovered by Huawei internal tester.
2017-12-06 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.

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