Full title: Maltrail 0.53 Unauthenticated Command Injection Exploit 
Category: remote exploits
Platform: linux
Maltrail is a malicious traffic detection system, utilizing publicly available blacklists containing malicious and/or generally suspicious trails. Maltrail versions below 0.54 suffer from a command injection vulnerability. The subprocess.check_output function in mailtrail/core/http.py contains a command injection vulnerability in the params.get("username") parameter. An attacker can exploit this vulnerability by injecting arbitrary OS commands into the username parameter. The injected commands will be executed with the privileges of the running process. This vulnerability can be exploited remotely without authentication. Successfully tested against Maltrail versions 0.52 and 0.53.

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