CVE-2019-19455 [Suggested Description] --------------------------------------- A local privilege escalation was found in the Linux Version of the server. A user can write arbitrary commands in any file that can be executed as root. --------------------------------------- [Vulnerability Type] Privilege Escalation --------------------------------------- [Vendor of Product] Wowza Media Systems LLC --------------------------------------- [Affected Product Code Base] Wowza Streaming Engine - Versions prior to 4.8.5, Issue fixed in 4.8.5 --------------------------------------- [Affected Component] Wowza Streaming Engine --------------------------------------- [Attack Type] Local --------------------------------------- [Impact Code Execution] true --------------------------------------- [Impact Denial of Service] false --------------------------------------- [Attack Vector] The installer sets relaxed permissions on core program files by default. A user can write arbitrary commands in every file in /usr/local/WowzaStreamingEngine/manager/bin/ since they are writable by anyone and executed at boot or stop of the server as root. --------------------------------------- [Has the vendor confirmed or acknowledged the vulnerability?] true