CVE-2025-4540 in C-Lodop
Summary
by MITRE • 05/11/2025
A vulnerability was found in MTSoftware C-Lodop 6.6.1.1. It has been rated as critical. This issue affects some unknown processing of the component CLodopPrintService. The manipulation leads to unquoted search path. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 6.6.13 is able to address this issue. It is recommended to upgrade the affected component.
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Analysis
by VulDB Data Team • 05/23/2025
The vulnerability identified as CVE-2025-4540 resides within MTSoftware C-Lodop 6.6.1.1, specifically within the CLodopPrintService component, representing a critical security weakness that demands immediate attention from system administrators and security professionals. This flaw manifests as an unquoted search path vulnerability, a class of issues commonly categorized under CWE-428 which involves the improper handling of search paths in software components. The vulnerability's critical rating stems from its potential to enable privilege escalation and arbitrary code execution when exploited, particularly in environments where local system access is obtainable.
The technical nature of this vulnerability lies in the improper handling of search paths within the CLodopPrintService component, which creates opportunities for attackers to manipulate the system's executable search order. When a service or application does not properly quote paths containing spaces, it can be exploited by placing malicious executables in directories that are searched before the legitimate program locations. This vulnerability specifically affects the processing within CLodopPrintService, making it a target for local privilege escalation attacks where an attacker with local access can potentially elevate their privileges or execute unauthorized code.
The operational impact of CVE-2025-4540 extends beyond simple local privilege escalation, as it can potentially serve as a foothold for broader system compromise within enterprise environments. Attackers who gain local access to systems running vulnerable C-Lodop versions can leverage this weakness to establish persistent access, escalate privileges, or deploy additional malware. The complexity of exploitation, while noted as high, is mitigated by the fact that the vulnerability is locally accessible and has already been disclosed to the public, meaning that sophisticated attackers with local access may already be actively exploiting this weakness. The difficulty of exploitation does not prevent its use but rather indicates that it requires specialized knowledge and tools to successfully compromise systems.
Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, particularly under techniques related to privilege escalation and persistence mechanisms. The unquoted search path vulnerability aligns with ATT&CK technique T1068 which covers local privilege escalation and T1547 which addresses registry run keys and startup folder modifications. Organizations should implement immediate mitigation strategies including the mandatory upgrade to version 6.6.13 as recommended by the vendor, which addresses the root cause of the vulnerability. Additional protective measures include implementing proper access controls, conducting regular security audits of installed software components, and monitoring for suspicious activities that may indicate exploitation attempts. The public disclosure of this exploit further emphasizes the urgency of remediation efforts, as attackers are likely actively seeking vulnerable systems to compromise.