CVE-2017-8198 in FusionSphere
Summary
by MITRE
FusionSphere V100R006C00SPC102(NFV) has an SQL injection vulnerability. An authenticated, remote attacker could craft interface messages carrying malicious SQL statements and send them to a target device. Successful exploit could allow the attacker to launch an SQL injection attack and execute SQL commands.
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Analysis
by VulDB Data Team • 01/16/2023
The vulnerability identified as CVE-2017-8198 affects FusionSphere V100R006C00SPC102 within the NFV (Network Functions Virtualization) environment, representing a critical security flaw that undermines the integrity of the virtualized network infrastructure. This vulnerability resides in the authentication and input validation mechanisms of the system's interface components, creating an exploitable entry point for malicious actors who possess legitimate credentials. The FusionSphere platform serves as a foundational element for virtualized network services, making this vulnerability particularly concerning for telecommunications and cloud infrastructure providers who rely on its stability and security. The affected version represents a specific service pack release that contained insufficient sanitization of user inputs passed through API endpoints and web interfaces, exposing the system to malicious code execution through crafted database queries.
The technical flaw manifests as an SQL injection vulnerability that occurs when the system fails to properly validate and sanitize user-supplied data before incorporating it into database queries. This weakness allows authenticated attackers to manipulate the application's database interactions by injecting malicious SQL commands through interface messages. The vulnerability specifically affects the input handling routines within the NFV management components, where user-provided parameters are directly concatenated into SQL statements without adequate escaping or parameterization. Attackers can exploit this by crafting specially formatted requests that bypass authentication checks and inject arbitrary SQL code, potentially gaining unauthorized access to sensitive data, modifying system configurations, or executing administrative commands. The vulnerability operates at the application layer and can be exploited remotely, requiring only valid authentication credentials to initiate the attack vector.
The operational impact of this vulnerability extends beyond simple data compromise, as it enables attackers to manipulate the underlying virtualized network functions that form the backbone of modern telecommunications infrastructure. Successful exploitation could result in complete system compromise, data exfiltration, service disruption, and potential lateral movement within the network environment. The NFV platform's role in managing virtual network functions means that an attacker could potentially disrupt critical network services, manipulate virtual machine configurations, or gain access to sensitive customer information stored within the system. The vulnerability's remote exploitability and requirement for only authenticated access makes it particularly dangerous in environments where administrative credentials might be compromised through phishing, credential theft, or other social engineering attacks. Organizations using this specific version of FusionSphere face significant risk of unauthorized access to their virtualized network infrastructure, potentially affecting thousands of virtualized services and network functions.
Mitigation strategies for CVE-2017-8198 should prioritize immediate patching of the affected FusionSphere version to the latest security updates provided by Huawei. Organizations must implement comprehensive input validation and parameterized query execution throughout their applications to prevent similar vulnerabilities from occurring in other components. Network segmentation and access controls should be strengthened to limit the blast radius of potential attacks, while monitoring systems should be enhanced to detect unusual database query patterns or unauthorized access attempts. The vulnerability aligns with CWE-89 which specifically addresses SQL injection flaws in software applications, and represents a direct violation of security principles outlined in the ATT&CK framework under the T1078 credential access technique. Regular security assessments and penetration testing should be conducted to identify additional injection points within the system architecture, while privileged access controls should be implemented to minimize the impact of potential credential compromise. Organizations should also consider implementing database activity monitoring solutions to detect and respond to malicious SQL injection attempts in real-time, ensuring that any exploitation attempts are immediately flagged and contained.