Ruby WEBrick Terminal Escape Sequence in Logs Command Injection Vulnerability

Ruby WEBrick is prone to a command-injection vulnerability because it fails to adequately sanitize user-supplied input in log files. Attackers can exploit this issue to execute arbitrary commands in a terminal. Versions *prior to* the following are affected: Ruby 1.8.6 patchlevel 388 Ruby 1.8.7 patchlevel 249 Ruby 1.9.1 patchlevel 378
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