Serviio Media Server Unauthenticated Command Injection via checkStreamUrl VIDEO Parameter
Vulnerability Description
An unauthenticated command injection vulnerability exists in Serviio Media Server versions 1.4 through 1.8 on Windows, in the /rest/action API endpoint exposed by the console component (default port 23423). The checkStreamUrl method accepts a VIDEO parameter that is passed unsanitized to a call to cmd.exe, enabling arbitrary command execution under the privileges of the web server. No authentication is required to exploit this issue, as the REST API is exposed by default and lacks access controls.
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:
- Gjoko Krstic of Zero Science Lab
References
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5408.php
- https://packetstorm.news/files/id/142387
- https://fortiguard.fortinet.com/encyclopedia/ips/44042
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/serviio_checkstreamurl_cmd_exec.rb
- https://vulncheck.com/advisories/serviio-media-server-unauthenticated-command-injection
- https://www.exploit-db.com/exploits/42023
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