CVE-2019-19166 in XPlatform
Summary
by MITRE
Tobesoft XPlatform v9.1, 9.2.0, 9.2.1 and 9.2.2 have a vulnerability that can load unauthorized DLL files. It allows attacker to cause remote code execution.
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Analysis
by VulDB Data Team • 10/15/2020
The vulnerability identified as CVE-2019-19166 affects Tobesoft XPlatform versions 9.1 through 9.2.2 and represents a critical security flaw in the software's dynamic link library loading mechanism. This vulnerability resides within the application's improper handling of external library dependencies, creating a path for malicious actors to exploit the system through unauthorized DLL loading operations. The flaw fundamentally compromises the integrity of the software's execution environment by allowing arbitrary code to be loaded and executed without proper authorization checks or validation mechanisms.
The technical nature of this vulnerability stems from insufficient input validation and improper security controls during the DLL loading process. When the XPlatform application processes certain user-supplied data or configuration parameters, it fails to properly sanitize or verify the origins of dynamically loaded libraries. This weakness creates an environment where an attacker can manipulate the application's behavior by placing malicious DLL files in locations that the software will automatically load, effectively bypassing normal security boundaries. The vulnerability aligns with CWE-427 Uncontrolled Search Path Element, which specifically addresses improper handling of library search paths that can lead to arbitrary code execution.
From an operational perspective, this vulnerability presents a severe risk to organizations using affected XPlatform versions as it enables remote code execution capabilities for attackers. The remote exploitation aspect means that adversaries can leverage this flaw from outside the network perimeter without requiring local access or credentials, significantly expanding the attack surface. Successful exploitation allows threat actors to execute arbitrary commands on the target system, potentially leading to complete system compromise, data exfiltration, or establishment of persistent backdoors. The impact extends beyond individual system compromise to potentially affect entire network infrastructures if the vulnerable application serves as a gateway or central component in enterprise environments.
Organizations should implement immediate mitigations including applying vendor patches and updates as soon as they become available, which typically address the improper DLL loading behavior through enhanced validation controls and secure library loading practices. Network segmentation and firewall rules should be configured to limit access to affected systems, while monitoring systems should be deployed to detect suspicious DLL loading activities or unusual network behavior patterns. The implementation of application whitelisting policies can provide additional protection by restricting which DLL files can be loaded and executed on target systems. Security teams should also conduct thorough vulnerability assessments to identify all instances of affected software within their environments and prioritize remediation efforts based on risk exposure levels. This vulnerability demonstrates the critical importance of proper library loading security controls and aligns with ATT&CK technique T1059 Command and Scripting Interpreter, as the exploitation results in arbitrary code execution capabilities that can be leveraged for various malicious activities including privilege escalation and lateral movement within compromised networks.