Compliance Impact

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Executive Summary

[{'type': 'paragraph', 'content': "CVE-2019-25308 is an unquoted service path vulnerability in the Mikogo-Service Windows service configuration of Mikogo version 5.2.2.150317. Because the service path contains spaces and is not enclosed in quotes, an attacker with local privileges can place malicious executable files in specific directories. When the service starts, the system may mistakenly execute the attacker's malicious code instead of the legitimate service executable."}, {'type': 'paragraph', 'content': 'This vulnerability allows the attacker to execute arbitrary code with LocalSystem privileges, which is the highest level of privilege on a Windows system.'}] [1, 2]

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Impact Analysis

Exploitation of this vulnerability can lead to local privilege escalation, allowing an attacker to execute arbitrary code with LocalSystem privileges.

This means the attacker can gain full control over the affected system, potentially compromising confidentiality, integrity, and availability of data and system resources.

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Detection Guidance

This vulnerability can be detected by checking the Mikogo-Service Windows service configuration for unquoted service paths, especially paths containing spaces.

A common method is to query the service path using Windows command line tools and inspect if the executable path is unquoted.

• Run the command: sc qc Mikogo-Service
• Check the BINARY_PATH_NAME output for unquoted paths containing spaces, such as: C:\Users\Administrator\AppData\Roaming\Mikogo\Mikogo-Service.exe

If the path is unquoted and contains spaces, the service is vulnerable to this unquoted service path privilege escalation.

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Mitigation Strategies

[{'type': 'paragraph', 'content': 'To mitigate this vulnerability, immediately update the Mikogo-Service Windows service configuration to properly quote the service executable path.'}, {'type': 'paragraph', 'content': 'Specifically, enclose the full path to Mikogo-Service.exe in double quotes to prevent the system from misinterpreting the path and executing malicious code.'}, {'type': 'list_item', 'content': 'Use the command: sc config Mikogo-Service binPath= ""C:\\Users\\Administrator\\AppData\\Roaming\\Mikogo\\Mikogo-Service.exe""'}, {'type': 'paragraph', 'content': 'Additionally, ensure that no unauthorized executables exist in directories along the service path that could be executed by the system.'}, {'type': 'paragraph', 'content': 'If possible, update Mikogo to a version where this vulnerability is fixed or apply vendor-provided patches.'}] [2]

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