CVE-2022-25031 in Remote Desktop Commander Suite Agent
Summary
by MITRE • 03/03/2022
Remote Desktop Commander Suite Agent before v4.8 contains an unquoted service path which allows attackers to escalate privileges to the system level.
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Analysis
by VulDB Data Team • 03/06/2022
The vulnerability identified as CVE-2022-25031 affects the Remote Desktop Commander Suite Agent version prior to v4.8 and represents a critical privilege escalation flaw stemming from an unquoted service path configuration. This issue resides within the Windows service architecture where the service executable path contains spaces but lacks proper quotation marks around the path string. The flaw creates a security weakness that attackers can exploit to gain system-level privileges through a technique known as service path manipulation. When Windows attempts to start a service with an unquoted path containing spaces, it searches for executables in the specified directory and all parent directories, potentially allowing an attacker to place a malicious binary in a location that gets executed before the legitimate service binary.
The technical implementation of this vulnerability involves the Windows service control manager's behavior when processing service paths that contain spaces without proper quotation. According to CWE-16, this represents a weakness in the design of software components where the system fails to properly quote file paths, creating opportunities for attackers to manipulate the execution flow. The service path typically contains a legitimate application path with spaces such as "C:\Program Files\Remote Desktop Commander\Agent.exe" but when unquoted, Windows interprets this as multiple separate path components, leading to potential execution of attacker-controlled binaries. This vulnerability specifically aligns with ATT&CK technique T1543.003 which describes creating or modifying system-level persistence mechanisms through service modifications.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with complete system control capabilities. Once an attacker successfully exploits this flaw, they gain the ability to execute arbitrary code with system-level privileges, potentially leading to full system compromise, data exfiltration, and establishment of persistent backdoors. The vulnerability affects organizations that deploy the Remote Desktop Commander Suite Agent across their network infrastructure, particularly in environments where administrative privileges are required for service installation or where the service runs with elevated permissions. The risk is compounded by the fact that this vulnerability can be exploited remotely, making it a significant threat vector for attackers targeting enterprise environments.
Mitigation strategies for CVE-2022-25031 require immediate patching of the Remote Desktop Commander Suite Agent to version 4.8 or later where the unquoted service path issue has been resolved. System administrators should also conduct thorough service path audits to identify any other services with similar unquoted path configurations within their environment. The remediation process involves ensuring that all service executable paths containing spaces are properly quoted, following the principle of least privilege by running services with minimal required permissions. Additionally, implementing proper access controls and monitoring for unusual service execution patterns can help detect exploitation attempts. Organizations should also consider deploying endpoint protection solutions that can detect and prevent malicious binary placement in service directories. Regular security assessments and vulnerability scanning should include checks for unquoted service paths as part of comprehensive security hardening efforts to prevent similar issues from emerging in other software components.