CVE-2017-10936 in ZXCDN-SNS
Summary
by MITRE
SQL injection vulnerability in all versions prior to V4.01.01 of the ZTE ZXCDN-SNS product allows remote attackers to execute arbitrary SQL commands via the aoData parameter, resulting in the disclosure of database information.
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Analysis
by VulDB Data Team • 03/10/2020
The CVE-2017-10936 vulnerability represents a critical SQL injection flaw affecting ZTE ZXCDN-SNS products across all versions prior to V4.01.01. This vulnerability resides in the web interface handling of the aoData parameter, which serves as an entry point for remote attackers to manipulate database queries through crafted input. The flaw operates by failing to properly sanitize user-supplied data before incorporating it into SQL command structures, creating a direct pathway for malicious actors to execute unauthorized database operations. The vulnerability is particularly concerning as it enables remote code execution capabilities, allowing attackers to extract sensitive database information including user credentials, system configurations, and potentially proprietary data stored within the affected system.
The technical exploitation of this vulnerability follows a classic SQL injection attack pattern where the aoData parameter is manipulated to inject malicious SQL payloads. Attackers can leverage this weakness to perform unauthorized database queries, potentially gaining access to administrative accounts, extracting sensitive data, or even modifying database contents. The vulnerability's remote nature means that attackers do not require physical access to the system, making it particularly dangerous for network-connected devices. This flaw directly maps to CWE-89 which categorizes SQL injection vulnerabilities as a fundamental weakness in application input validation, where untrusted data is directly incorporated into SQL command construction without proper sanitization or parameterization. The attack surface is significantly expanded due to the web-based interface nature of the product, allowing exploitation from any network location where the service is accessible.
The operational impact of CVE-2017-10936 extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to network resources. Organizations utilizing affected ZTE ZXCDN-SNS versions face potential data breaches, regulatory compliance violations, and significant operational disruptions. The vulnerability affects critical network infrastructure components that may serve as gateways to broader network segments, making it a prime target for advanced persistent threat actors. According to ATT&CK framework, this vulnerability aligns with T1071.004 for application layer protocol usage and T1190 for exploitation of remote services, demonstrating how attackers can leverage web application weaknesses to establish persistent access. The potential for privilege escalation exists if database accounts possess elevated permissions, potentially allowing attackers to gain administrative control over the entire system.
Mitigation strategies for CVE-2017-10936 should prioritize immediate deployment of ZTE's official patch V4.01.01, which addresses the underlying SQL injection vulnerability through proper input validation and parameterized query implementation. Network segmentation and access control measures should be implemented to limit exposure of affected systems to untrusted networks. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in related network infrastructure components. Database access controls must be reviewed to ensure least privilege principles are enforced, limiting the potential damage from successful exploitation. Security monitoring should be enhanced to detect unusual database query patterns that may indicate exploitation attempts. Organizations should also implement web application firewalls and input validation mechanisms as additional protective layers, following security best practices outlined in NIST SP 800-53 and ISO 27001 frameworks to ensure comprehensive protection against similar vulnerabilities.