CVE-2018-14822 in EMG12
Summary
by MITRE
Entes EMG12 versions 2.57 and prior an information exposure through query strings vulnerability in the web interface has been identified, which may allow an attacker to impersonate a legitimate user and execute arbitrary code.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 03/28/2020
The vulnerability identified in Entes EMG12 versions 2.57 and prior represents a critical information exposure flaw that manifests through query string parameters within the web interface. This vulnerability falls under the category of improper error handling and information disclosure, creating a pathway for malicious actors to gain unauthorized access to sensitive system information. The flaw specifically affects how the application processes and handles query string parameters, which are typically used to pass data between web pages and server-side applications. When these parameters contain sensitive information or are not properly sanitized, they can inadvertently expose system details that should remain confidential.
The technical implementation of this vulnerability stems from inadequate input validation and parameter handling within the web interface components of the EMG12 system. Query strings in web applications are commonly used to transmit data to server-side scripts, but when these parameters are not properly filtered or validated, they can become vectors for information leakage. Attackers can manipulate these parameters to extract sensitive data such as session identifiers, system paths, configuration details, or other confidential information that should not be publicly accessible. This exposure creates a significant risk as it allows adversaries to gather intelligence about the system architecture and potentially identify additional attack vectors.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates a foundation for more sophisticated attacks including privilege escalation and arbitrary code execution. An attacker who successfully exploits this vulnerability can impersonate legitimate users by leveraging exposed session information or authentication tokens. The ability to execute arbitrary code represents a severe compromise that could allow full system control, data exfiltration, or disruption of services. This vulnerability directly impacts the confidentiality, integrity, and availability of the affected system, potentially leading to complete system compromise and unauthorized access to sensitive data.
Security professionals should address this vulnerability through immediate patching of affected systems and implementation of robust input validation mechanisms. The mitigation strategy must include comprehensive review and sanitization of all query string parameters, proper access controls, and enhanced monitoring of web interface traffic for suspicious activities. Organizations should also implement web application firewalls to detect and block malicious query string manipulation attempts. This vulnerability aligns with CWE-200, which addresses information exposure, and represents a clear violation of the principle of least privilege in web application security. From an ATT&CK framework perspective, this vulnerability maps to techniques involving credential access and privilege escalation, as attackers can leverage exposed information to gain unauthorized system access and potentially move laterally within the network infrastructure.