CVE-2018-7766 in U.motion Builder
Summary
by MITRE
The vulnerability exists within processing of track_getdata.php in Schneider Electric U.motion Builder software versions prior to v1.3.4. The underlying SQLite database query is subject to SQL injection on the id input parameter.
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Analysis
by VulDB Data Team • 02/24/2020
The vulnerability identified as CVE-2018-7766 resides within the Schneider Electric U.motion Builder software suite, specifically in the track_getdata.php component that handles data retrieval operations. This issue affects versions prior to v1.3.4 and represents a critical security flaw that undermines the integrity of the application's database interactions. The vulnerability manifests through improper input validation mechanisms that fail to adequately sanitize user-supplied data before incorporating it into database queries, creating an exploitable condition that allows malicious actors to manipulate the underlying SQLite database structure.
The technical exploitation of this vulnerability occurs through SQL injection attacks targeting the id input parameter within the track_getdata.php script. When an attacker submits malicious input through this parameter, the application fails to properly escape or validate the data before executing database queries, enabling unauthorized access to database contents. This flaw directly corresponds to CWE-89, which categorizes SQL injection vulnerabilities as a fundamental weakness in application security. The vulnerability allows attackers to execute arbitrary SQL commands, potentially gaining read access to sensitive data, modifying database records, or even escalating privileges within the affected system. The nature of this injection flaw means that attackers can manipulate the database query structure to extract information that should otherwise be protected.
The operational impact of CVE-2018-7766 extends beyond simple data theft, as it can compromise the entire integrity and availability of the U.motion Builder application. Organizations utilizing affected versions face significant risks including unauthorized access to industrial control system data, potential disruption of operational processes, and exposure of sensitive configuration information. The vulnerability particularly affects industrial environments where Schneider Electric software is deployed for building automation and control systems, making it a target for adversaries seeking to exploit industrial control systems. This type of vulnerability aligns with ATT&CK technique T1071.004, which covers application layer protocol manipulation, and can contribute to broader attack chains leading to system compromise and operational disruption. The impact is particularly severe in environments where the software controls critical infrastructure components.
Mitigation strategies for this vulnerability require immediate patching of affected systems to version 1.3.4 or later, which includes proper input validation and sanitization measures. Organizations should implement comprehensive input validation at multiple layers, including application-level filtering and parameterized queries to prevent SQL injection attacks. Network segmentation and access controls should be strengthened to limit exposure of vulnerable components, while regular security assessments should be conducted to identify similar vulnerabilities in other industrial control system applications. Additionally, implementing database activity monitoring and intrusion detection systems can help identify exploitation attempts and provide early warning of potential security breaches. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date industrial control system software and implementing robust security practices throughout the operational technology environment.