Command Injection Vulnerability in WEBrick Library from Ruby

CVE-2017-10784

What is CVE-2017-10784?

The WEBrick library in Ruby versions prior to 2.2.8, 2.3.x prior to 2.3.5, and 2.4.x up to 2.4.1 is susceptible to a command injection flaw. Malicious users can exploit this vulnerability by crafting user names that inject terminal emulator escape sequences into the log. This could result in arbitrary command execution by the server, posing significant security risks for applications that utilize the WEBrick server.

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