CVE-2015-8334 in VCN500
Summary
by MITRE
SQL injection vulnerability in the Operation and Maintenance Unit (OMU) in Huawei VCN500 before V100R002C00SPC201 allows remote authenticated users to execute arbitrary SQL commands via a crafted HTTP request.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 11/11/2019
The CVE-2015-8334 vulnerability represents a critical SQL injection flaw within Huawei's Video Content Network 500 (VCN500) device series, specifically affecting the Operation and Maintenance Unit component. This vulnerability exists in versions prior to V100R002C00SPC201 and demonstrates a fundamental weakness in input validation mechanisms that allows authenticated remote attackers to manipulate database queries through carefully crafted HTTP requests. The flaw resides in the OMU module's handling of user-supplied data, creating an attack surface that can be exploited by malicious actors who have already gained authentication credentials to the system.
The technical exploitation of this vulnerability occurs through the manipulation of HTTP request parameters that are directly incorporated into SQL query construction without proper sanitization or parameterization. When an authenticated user submits a malicious HTTP request containing specially crafted SQL payload, the OMU component processes this input directly within database query execution contexts, enabling attackers to bypass normal access controls and execute arbitrary SQL commands. This type of vulnerability maps directly to CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database, and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation.
The operational impact of CVE-2015-8334 extends beyond simple data exfiltration, as successful exploitation can enable attackers to gain unauthorized access to sensitive system information, modify database contents, and potentially escalate privileges within the affected infrastructure. Remote authenticated attackers can leverage this vulnerability to compromise the integrity and confidentiality of video surveillance data managed by the VCN500 system, potentially affecting critical security operations in environments where these devices are deployed for monitoring and access control purposes. The vulnerability's authentication requirement does not mitigate the risk significantly, as it only requires attackers to obtain valid credentials rather than bypassing authentication entirely.
Organizations affected by this vulnerability should prioritize immediate remediation through the application of Huawei's official patches and firmware updates, specifically targeting the V100R002C00SPC201 release or newer versions that contain the necessary security fixes. Network segmentation and monitoring of HTTP traffic to the affected OMU components should be implemented as temporary mitigations while permanent solutions are deployed. Security teams should also conduct comprehensive vulnerability assessments to identify any other potential attack vectors within the same device family and implement robust input validation controls to prevent similar issues in future deployments. The vulnerability highlights the importance of maintaining current firmware versions and implementing proper security controls in network infrastructure devices that handle sensitive data operations.