Serviio PRO 1.8 Local Privilege Escalation via Unquoted Path
Vulnerability Description
Serviio PRO 1.8 contains an unquoted search path vulnerability in the Windows service that allows local users to execute arbitrary code with elevated privileges by placing malicious executables in the system root path. Additionally, improper directory permissions with full access for the Users group allow authenticated users to replace the executable file with arbitrary binaries, enabling privilege escalation during service startup or system reboot.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- LiquidWorm as Gjoko Krstic of Zero Science Lab
References
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5405.php
- https://blogs.securiteam.com/index.php/archives/3094
- https://www.exploit-db.com/exploits/41959/
- https://packetstormsecurity.com/files/142384
- https://cxsecurity.com/issue/WLB-2017050019
- https://exchange.xforce.ibmcloud.com/vulnerabilities/125644
- https://www.vulncheck.com/advisories/serviio-pro-local-privilege-escalation-via-unquoted-path
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