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Security Advisory - VCM User Horizontal Privilege Escalation Vulnerability

  • SA No:SA No: Huawei-SA-20151125-01-VCM
  • Initial Release Date: Nov 25, 2015
  • Last Release Date: Nov 25, 2015

Huawei Video Content Management (VCM) system does not properly authenticate online users' identities and privileges, which leads to users' horizontal privilege escalation. An attacker may craft malicious messages, send them to the server, and perform illegitimate operations on cases created by other users, affecting other user operations and use (Vulnerability ID: HWPSIRT-2015-07043).

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8332.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-462985.htm

Product Name

Affected Version

Resolved Product and Version

VCM

V100R001C10B010

V100R001C10SPC001

The attacker can perform operations (such as modification) on cases created by other users.

The vulnerability classification has been performed by using the CVSSv2 scoring system (http://www.first.org/cvss/).

Base Score: 6.0 (AV:N/AC:M/Au:S/C:P/I:P/A:P)

Temporal Score: 5.0 (E:F/RL:O/RC:C)

1. Prerequisites:

The attacker logs in to VCM as an authorized user.

2. Attacking procedure:

The attacker logs in to the client, sends maliciously crafted messages to the server, and perform operations (such as modification) on other users' cases.

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/security/psirt/report-vulnerabilities/index.htm.


This vulnerability is reported by Huawei internal tester. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.

For security problems about Huawei products and solutions, please contactPSIRT@huawei.com.

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.


2015-11-25 V1.0 INITIAL

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Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at http://www.huawei.com/en/security/psirt/.