Executive Summary

This vulnerability is an unquoted service path issue in the Iskysoft Application Framework Service version 2.4.3.241. Because the service executable path contains spaces and is not enclosed in quotes, a local attacker can place a malicious executable in a directory path that the system might misinterpret during service startup. This causes the malicious code to be executed with the elevated privileges of the service, allowing arbitrary code execution with high-level system permissions. [1, 3]

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Impact Analysis

The vulnerability can lead to privilege escalation on affected systems. A local attacker with limited privileges can exploit the unquoted service path to execute arbitrary code with elevated system-level privileges. This means the attacker can run malicious code with the same high-level permissions as the Iskysoft Application Framework Service, potentially compromising the entire system. [1, 3]

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Detection Guidance

This vulnerability can be detected by querying Windows Management Instrumentation Command-line (WMIC) for services with auto start mode and filtering for unquoted paths excluding system directories. Additionally, the service configuration can be checked using the command 'sc qc IsAppService' to confirm the unquoted binary path. [1]

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Mitigation Strategies

Immediate mitigation steps include correcting the unquoted service path by enclosing the executable path in quotes to prevent the system from misinterpreting the path and executing malicious code. Also, ensure that only trusted users have local access to the system to reduce the risk of local code injection. Regularly audit service paths and permissions to detect and prevent exploitation. [1, 3]

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